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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2018289268766667 6.4245e-08  
a 2.554885280102774 1.7742e-08 au
q 2.03923552572664 1.6492e-07 au
i 12.89828759277027 8.9471e-06 deg
node 323.9659004934585 2.6602e-05 deg
peri 35.53397660839297 3.9403e-05 deg
M 15.24314510752978 3.1879e-05 deg
tp 2458937.342109458676
(2020-Mar-28.84210946)
0.0001316 TDB
period 1491.610847661954
4.08
1.5537e-05
4.254e-08
d
yr
n .2413498135685236 2.514e-09 deg/d
Q 3.070535034478909 2.1323e-08 au
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      9206 days (25.20 yr)  
   first obs. used      1993-01-31  
   last obs. used      2018-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57503  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:22:20  

Additional Information
 Earth MOID = 1.04755 au 
 Jupiter MOID = 2.41119 au 
 T_jup = 3.375 
[ 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 15.3   n/a MPO395615  

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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