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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1019015969957127 7.2424e-08  
a 1.896841275240582 2.2478e-08 au
q 1.703550120046182 1.3143e-07 au
i 18.70166832408552 1.0025e-05 deg
node 331.6756826504153 2.0269e-05 deg
peri 56.73565977303044 4.4718e-05 deg
M 233.9720999484774 3.9619e-05 deg
tp 2459334.548182314468
(2021-Apr-30.04818231)
0.00010613 TDB
period 954.2120878317035
2.61
1.6962e-05
4.644e-08
d
yr
n .3772746170277965 6.7063e-09 deg/d
Q 2.090132430434981 2.4769e-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 = .744168 au 
 Jupiter MOID = 3.23011 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 18.2   n/a MPO472733  

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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