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78750 (2002 TP281)
Classification: Main-belt Asteroid          SPK-ID: 2078750
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09253730890406164 4.4059e-08  
a 2.691470833077245 1.7055e-08 au
q 2.442409365190504 1.2553e-07 au
i 10.71686238878378 4.8757e-06 deg
node 267.7304788279797 2.5843e-05 deg
peri 112.5901242004273 4.0025e-05 deg
M 8.174105534953581 2.9714e-05 deg
tp 2458963.879802402426
(2020-Apr-24.37980240)
0.00013305 TDB
period 1612.809019745714
4.42
1.533e-05
4.197e-08
d
yr
n .2232130373729929 2.1217e-09 deg/d
Q 2.940532300963986 1.8634e-08 au
  Orbit Determination Parameters
   # obs. used (total)      853  
   data-arc span      7983 days (21.86 yr)  
   first obs. used      1998-12-15  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5043  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:39  

Additional Information
 Earth MOID = 1.47022 au 
 Jupiter MOID = 2.49095 au 
 T_jup = 3.341 
[ 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 14.7   n/a MPO436332  
diameter diameter 3.431 km 0.632 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.344   0.138 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78750 (2002 TP281)          Discovered 2002-Oct-10 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 TP281 = 1998 XX88 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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