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JPL Small-Body Database Browser
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172312 (2002 TO284)
Classification: Main-belt Asteroid          SPK-ID: 2172312
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 .1153843162493479 6.5445e-08  
a 2.969235551778264 2.377e-08 au
q 2.626632337853074 1.9412e-07 au
i 9.036495560513014 6.0014e-06 deg
node 277.8119566962038 4.4676e-05 deg
peri 125.1706299182773 5.7385e-05 deg
M 154.8457871454986 3.3381e-05 deg
tp 2458196.673539951245
(2018-Mar-19.17353995)
0.00017156 TDB
period 1868.811098784639
5.12
2.2441e-05
6.144e-08
d
yr
n .1926358422390161 2.3132e-09 deg/d
Q 3.311838765703454 2.6513e-08 au
  Orbit Determination Parameters
   # obs. used (total)      509  
   data-arc span      7754 days (21.23 yr)  
   first obs. used      1998-01-01  
   last obs. used      2019-03-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53224  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:52:01  

Additional Information
 Earth MOID = 1.64886 au 
 Jupiter MOID = 2.07148 au 
 T_jup = 3.235 
[ 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 14.9   n/a MPO254215  

172312 (2002 TO284)          Discovered 2002-Oct-10 by LINEAR at Socorro
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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