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118785 (2000 RJ90)
Classification: Main-belt Asteroid          SPK-ID: 2118785
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06050731285928382 4.2566e-08  
a 2.785786108819024 1.7805e-08 au
q 2.617225677173665 1.2415e-07 au
i 4.629509762689602 4.7496e-06 deg
node 317.5927868286883 5.7548e-05 deg
peri 97.34894544998785 7.3625e-05 deg
M 32.63444935812626 4.3899e-05 deg
tp 2458846.544975193646
(2019-Dec-29.04497519)
0.00020719 TDB
period 1698.322172440341
4.65
1.6282e-05
4.458e-08
d
yr
n .2119739151039354 2.0322e-09 deg/d
Q 2.954346540464384 1.8882e-08 au
  Orbit Determination Parameters
   # obs. used (total)      531  
   data-arc span      7083 days (19.39 yr)  
   first obs. used      2000-09-03  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5464  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 06:02:26  

Additional Information
 Earth MOID = 1.63368 au 
 Jupiter MOID = 2.25559 au 
 T_jup = 3.324 
[ 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 15.7   n/a MPO412807  

118785 (2000 RJ90)          Discovered 2000-Sep-03 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2000 RJ90 = 2002 AS77 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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