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JPL Small-Body Database Browser
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487811 (2015 TO4)
Classification: Inner Main-belt Asteroid          SPK-ID: 2487811
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 .1019933710904553 7.2364e-08  
a 1.896737692311925 2.2605e-08 au
q 1.703283020998701 1.3129e-07 au
i 18.70095683297272 1.0025e-05 deg
node 331.6803642522237 2.0271e-05 deg
peri 56.86087859438388 4.4706e-05 deg
M 82.89848547939563 3.9265e-05 deg
tp 2458380.788173559241
(2018-Sep-19.28817356)
0.00010379 TDB
period 954.1339273120064
2.61
1.7056e-05
4.67e-08
d
yr
n .377305522521555 6.7448e-09 deg/d
Q 2.090192363625149 2.491e-08 au
  Orbit Determination Parameters
   # obs. used (total)      78  
   data-arc span      5967 days (16.34 yr)  
   first obs. used      2002-08-16  
   last obs. used      2018-12-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68546  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-15 06:48:25  

Additional Information
 Earth MOID = .743256 au 
 Jupiter MOID = 3.2315 au 
 T_jup = 3.881 
[ 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 18.4   n/a MPO409263  

487811 (2015 TO4)          Discovered 2010-Sep-03 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 TO4 = 2010 RV161 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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