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66569 (1999 RM145)
Classification: Main-belt Asteroid          SPK-ID: 2066569
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2019371508506448 5.6928e-08  
a 2.555434526778586 1.2769e-08 au
q 2.039397359255553 1.4085e-07 au
i 12.89829378167749 6.7888e-06 deg
node 323.9641805087567 2.6336e-05 deg
peri 35.57901657894566 3.5666e-05 deg
M 63.46363268852198 2.2892e-05 deg
tp 2458937.462304333708
(2020-Mar-28.96230433)
9.3899e-05 TDB
period 1492.091871018775
4.09
1.1184e-05
3.062e-08
d
yr
n .2412720067660433 1.8084e-09 deg/d
Q 3.071471694301619 1.5348e-08 au
  Orbit Determination Parameters
   # obs. used (total)      712  
   data-arc span      10265 days (28.10 yr)  
   first obs. used      1993-01-31  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50682  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:23:23  

Additional Information
 Earth MOID = 1.04607 au 
 Jupiter MOID = 2.41115 au 
 T_jup = 3.374 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.24   n/a E2021B10  

66569 (1999 RM145)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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