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JPL Small-Body Database Browser
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487985 (2015 TO322)
Classification: Main-belt Asteroid          SPK-ID: 2487985
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05490239506741751 8.4093e-08  
a 2.70882279019657 8.9828e-08 au
q 2.560101931201574 2.9261e-07 au
i 4.140661683432461 6.5577e-06 deg
node 69.08377324520652 0.00011138 deg
peri 22.53981920711719 0.00021167 deg
M 217.3843588098988 0.00019401 deg
tp 2459245.610301305282
(2021-Jan-31.11030131)
0.00090694 TDB
period 1628.430840628027
4.46
8.1002e-05
2.218e-07
d
yr
n .2210717158004457 1.0997e-08 deg/d
Q 2.857543649191566 9.476e-08 au
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      4266 days (11.68 yr)  
   first obs. used      2008-01-20  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59558  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 18:49:17  

Additional Information
 Earth MOID = 1.57724 au 
 Jupiter MOID = 2.24345 au 
 T_jup = 3.358 
[ 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 17.1   n/a MPO450511  

487985 (2015 TO322)          Discovered 2008-Jan-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 TO322 = 2011 WJ127 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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