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90922 (1997 RN2)
Classification: Main-belt Asteroid          SPK-ID: 2090922
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1648306055259235 3.0537e-08  
a 2.275891296737927 8.4966e-09 au
q 1.900754756185435 7.0089e-08 au
i 2.736104207114187 3.6031e-06 deg
node 49.81569581458731 7.7631e-05 deg
peri 4.063602141423672 7.8585e-05 deg
M 312.5133279582369 1.4064e-05 deg
tp 2459561.922634515749
(2021-Dec-13.42263452)
4.9536e-05 TDB
period 1254.081321455742
3.43
7.0228e-06
1.923e-08
d
yr
n .2870627237969789 1.6075e-09 deg/d
Q 2.651027837290419 9.8971e-09 au
  Orbit Determination Parameters
   # obs. used (total)      734  
   data-arc span      10852 days (29.71 yr)  
   first obs. used      1990-09-28  
   last obs. used      2020-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57236  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:16:54  

Additional Information
 Earth MOID = .911591 au 
 Jupiter MOID = 2.69527 au 
 T_jup = 3.589 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.35   n/a MPCxxxxx  

90922 (1997 RN2)          Discovered 1997-Sep-04 by ODAS at Caussols
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1997 RN2 = 2002 CA97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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