Answer: The latest JPL ephemeris with fully consistent treatment of planetary and lunar laser ranging data is DE440. DE441 is also a June 2020 ephemeris, integrated without the lunar core/mantle damping term to cover a longer time span.
Status: Confirmed
Entry: science/jpl-ephemeris
Revision: 1
Digest: sha256:766f130f93b527d7 (changes whenever the content changes)

Timeline:
  Created: 2026-11-12T10:44:39Z
  Last changed: 2026-11-12T10:44:39Z
  Last verified: 2026-11-12T11:34:18Z
  Next check: 2026-11-19T11:34:18Z
  Check interval: Weekly
  Expected change: No fixed schedule

Data:
  Field | Value | Source | As of
  Latest ephemeris | DE440 | [1] | 2026-11-12
  DE440 creation date | June 2020 | [1] | 2026-11-12
  DE441 creation date | June 2020 | [1] | 2026-11-12
  DE440 coverage | JED 2287184.5, (1549 DEC 31) to JED 2688976.5, (2650 JAN 25) | [1] | 2026-11-12
  DE441 coverage | JED -3100015.5, (-13200 AUG 15) to JED 8000016.50, (17191 MAR 15) | [1] | 2026-11-12

Sources:
  [1] NASA JPL. "ssd.jpl.nasa.gov/planets/eph_export.html". https://ssd.jpl.nasa.gov/planets/eph_export.html
      Role: primary. Accessed: 2026-11-12T11:34:18Z
      Quote: "The latest JPL ephemeris with fully consistent treatment of planetary and lunar laser ranging data is DE440 (Park et al., 2021)." (Supports: Latest ephemeris)
      Quote: "DE440 : Created June 2020; compared to DE430, about 7 years of new data have beend added." (Supports: DE440 creation date)
      Quote: "DE441 : Created June 2020; compared to DE431, about 7 years of new data have been added." (Supports: DE441 creation date)
      Quote: "Covers JED 2287184.5, (1549 DEC 31) to JED 2688976.5, (2650 JAN 25)." (Supports: DE440 coverage)
      Quote: "Covers JED -3100015.5, (-13200 AUG 15) to JED 8000016.50, (17191 MAR 15)." (Supports: DE441 coverage)
      Published: 2026-11-05T21:02:55Z
      Snapshot SHA-256: ce7db9fc032a395318911b6b07cb2f12717f2849dc9938cbd207cb662f4d1687 (captured 2026-11-12T10:44:39Z)

Verification:
  Method: Automated extraction from [1] with deepseek-flash (JSON output, thinking disabled). Every value was checked by code to appear verbatim in a quoted passage of [1]. On this check the text of [1] was unchanged since 2026-11-12T10:44:39Z, so the values verified then were kept.
  Cross-check: not-available at 2026-11-12T11:34:18Z. No independent second source is configured for this entry
  Last successful check: 2026-11-12T11:34:18Z
  Last attempt: 2026-11-12T11:34:18Z

Notes and limitations:
  Extracted automatically from a single official source.

Change log:
  Time | Event | Change | Source
  2026-11-12T10:44:39Z | added | Entry created | —
  Changes for this entry as a feed: https://latestn.com/science/jpl-ephemeris/latest

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How to cite:
    latestN. (2026). What is the latest JPL planetary ephemeris? Revision 1, last verified 2026-11-12T11:34:18Z. https://latestn.com/science/jpl-ephemeris (accessed 2026-11-12T12:52:57Z).

    @misc{latestN_science_jpl_ephemeris_r1,
      title        = {What is the latest JPL planetary ephemeris?},
      author       = {{latestN}},
      year         = {2026},
      howpublished = {\url{https://latestn.com/science/jpl-ephemeris}},
      note         = {Revision 1; digest sha256:766f130f93b527d7; last verified 2026-11-12T11:34:18Z; accessed 2026-11-12T12:52:57Z}
    }

URL: https://latestn.com/science/jpl-ephemeris