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JPL Small-Body Database Browser
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172232 (2002 RL131)
Classification: Main-belt Asteroid          SPK-ID: 2172232
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1506299988817072 5.7828e-08  
a 2.672172457996361 2.3349e-08 au
q 2.269663123636641 1.5508e-07 au
i 10.99632422275942 6.4031e-06 deg
node 275.6887448900595 3.1905e-05 deg
peri 172.0391337438222 4.0696e-05 deg
M 294.2837491887849 2.9057e-05 deg
tp 2459291.749661778150
(2021-Mar-18.24966178)
0.00013132 TDB
period 1595.49391430347
4.37
2.0912e-05
5.725e-08
d
yr
n .2256354579435434 2.9573e-09 deg/d
Q 3.074681792356083 2.6866e-08 au
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      7089 days (19.41 yr)  
   first obs. used      2000-04-04  
   last obs. used      2019-09-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56157  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:45:32  

Additional Information
 Earth MOID = 1.28667 au 
 Jupiter MOID = 2.13625 au 
 T_jup = 3.338 
[ 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 15.6   n/a MPO454180  

172232 (2002 RL131)          Discovered 2002-Sep-11 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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