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JPL Small-Body Database Browser
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172234 (2002 RS142)
Classification: Main-belt Asteroid          SPK-ID: 2172234
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0302561849260776 7.1738e-08  
a 2.708244392007189 2.7308e-08 au
q 2.626303248857607 1.8853e-07 au
i 5.329713600544483 8.6196e-06 deg
node 224.5672846383073 6.2488e-05 deg
peri 149.7061439551652 0.00013345 deg
M 329.8273367191529 0.00011773 deg
tp 2459136.939887002472
(2020-Oct-14.43988700)
0.00053275 TDB
period 1627.909305310449
4.46
2.4622e-05
6.741e-08
d
yr
n .2211425408194632 3.3448e-09 deg/d
Q 2.790185535156771 2.8135e-08 au
  Orbit Determination Parameters
   # obs. used (total)      227  
   data-arc span      5647 days (15.46 yr)  
   first obs. used      2002-09-11  
   last obs. used      2018-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5514  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Mar-06 01:11:01  

Additional Information
 Earth MOID = 1.62866 au 
 Jupiter MOID = 2.33994 au 
 T_jup = 3.357 
[ 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 16.4   n/a MPO436856  

172234 (2002 RS142)          Discovered 2002-Sep-11 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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