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JPL Small-Body Database Browser
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469475 (2002 RR257)
Classification: Main-belt Asteroid          SPK-ID: 2469475
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1268661726329725 1.0808e-07  
a 2.752007857566644 3.5916e-08 au
q 2.402871153621297 2.9264e-07 au
i 15.32721614337458 1.2205e-05 deg
node 151.4629357962162 3.508e-05 deg
peri 209.5487916148761 5.6615e-05 deg
M 212.9858502292244 4.5749e-05 deg
tp 2459281.472489151687
(2021-Mar-07.97248915)
0.00022022 TDB
period 1667.527217460668
4.57
3.2644e-05
8.937e-08
d
yr
n .2158885301723666 4.2263e-09 deg/d
Q 3.10114456151199 4.0473e-08 au
  Orbit Determination Parameters
   # obs. used (total)      54  
   data-arc span      6077 days (16.64 yr)  
   first obs. used      2002-08-12  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59229  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:32:02  

Additional Information
 Earth MOID = 1.40718 au 
 Jupiter MOID = 2.3421 au 
 T_jup = 3.282 
[ 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 16.9   n/a MPO346186  

469475 (2002 RR257)          Discovered 2002-Sep-15 by NEAT at Palomar
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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