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JPL Small-Body Database Browser
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172187 (2002 PX112)
Classification: Main-belt Asteroid          SPK-ID: 2172187
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2135627279994259 4.9959e-08  
a 2.62017429472979 1.4422e-08 au
q 2.060602724513325 1.3731e-07 au
i 12.81313157910063 6.0661e-06 deg
node 315.0638314817991 2.1188e-05 deg
peri 86.81663973214791 2.7983e-05 deg
M 19.02030016542563 1.6599e-05 deg
tp 2458918.651907022730
(2020-Mar-10.15190702)
7.1141e-05 TDB
period 1549.150813370346
4.24
1.279e-05
3.502e-08
d
yr
n .2323853797144391 1.9187e-09 deg/d
Q 3.179745864946256 1.7502e-08 au
  Orbit Determination Parameters
   # obs. used (total)      509  
   data-arc span      7742 days (21.20 yr)  
   first obs. used      1998-09-19  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50211  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 12:59:13  

Additional Information
 Earth MOID = 1.11515 au 
 Jupiter MOID = 2.40524 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  

172187 (2002 PX112)          Discovered 2002-Aug-12 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2002 PX112 = 2002 PO112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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