505657 2014SR339 help
Last update: 2025-07-15 00:51 UTC
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Observational Information
  • Arc Length
  • Unobserved
  • Normalized RMS of residuals
Arc Information
Value
Unit
Source
Arc Length
Value
3543
Unit
d
Source
[1]
Unobserved
Value
398
Unit
d
Source
[1]
Normalized RMS of residuals
Value
0.461504
Unit
-
Source
[1]
Astrometry Summary
  • First Observation
  • Last Observation
  • Total Optical Observations (Discarded)
Optical
Value
Unit
Source
First Observation
Value
2014-09-30.55814
Unit
-
Source
[2]
Last Observation
Value
2024-06-12.2106
Unit
-
Source
[2]
Total Optical Observations (Discarded)
Value
1628 (3)
Unit
-
Source
[1]
Radar Summary
  • First Observation
  • Last Observation
  • Delay (Discarded)
  • Doppler (Discarded)
  • Total Optical Observations (Discarded)
Radar
Value
Unit
Source
First Observation
Value
2018-02-05
Unit
-
Source
[3]
Last Observation
Value
2018-02-09
Unit
-
Source
[3]
Delay (Discarded)
Value
5 (0)
Unit
-
Source
[1]
Doppler (Discarded)
Value
1 (0)
Unit
-
Source
[1]
Total Radar Observations (Discarded)
Value
6 (0)
Unit
-
Source
[1]
Note: The ASCII file is in a format suitable for Orbfit input.

Sources

No.NameAdditional
[1]ESA AegisESA orbit determination and impact monitoring system
[2]MPCMinor Planet Center: https://www.minorplanetcenter.net
[3]JPL Radar ObservationsJet Propulsion Laboratory: https://ssd.jpl.nasa.gov/dat/radar_data_ast.txt