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JPL Small-Body Database Browser
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215475 (2002 RD122)
Classification: Main-belt Asteroid          SPK-ID: 2215475
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1565246851670266 8.503e-08  
a 2.550161045388384 1.9808e-08 au
q 2.150997890633752 2.2303e-07 au
i 8.383982248664589 6.1993e-06 deg
node 86.63417282699371 4.5232e-05 deg
peri 283.1061673020661 5.1099e-05 deg
M 17.56963414500384 2.5981e-05 deg
tp 2458527.904440706097
(2019-Feb-13.40444071)
0.000107 TDB
period 1487.475557550917
4.07
1.733e-05
4.745e-08
d
yr
n .2420207835836503 2.8198e-09 deg/d
Q 2.949324200143016 2.2908e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      6303 days (17.26 yr)  
   first obs. used      2002-09-03  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54491  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 15:11:03  

Additional Information
 Earth MOID = 1.16883 au 
 Jupiter MOID = 2.55523 au 
 T_jup = 3.409 
[ 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 16.7   n/a MPO454547  

215475 (2002 RD122)          Discovered 2002-Sep-08 by NEAT at Haleakala
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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