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78727 (2002 TN231)
Classification: Main-belt Asteroid          SPK-ID: 2078727
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 .03499988507759993 4.3892e-08  
a 2.978545015875852 2.3048e-08 au
q 2.87429628262174 1.2929e-07 au
i 11.55020847902377 4.6413e-06 deg
node 87.37208067137817 2.2749e-05 deg
peri 328.2871492019319 7.1046e-05 deg
M 101.0069665361065 6.7165e-05 deg
tp 2458473.690610677379
(2018-Dec-21.19061068)
0.00035011 TDB
period 1877.606928115695
5.14
2.1793e-05
5.967e-08
d
yr
n .1917334212018935 2.2254e-09 deg/d
Q 3.082793749129965 2.3854e-08 au
  Orbit Determination Parameters
   # obs. used (total)      872  
   data-arc span      7848 days (21.49 yr)  
   first obs. used      1998-12-17  
   last obs. used      2020-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51969  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:44  

Additional Information
 Earth MOID = 1.89364 au 
 Jupiter MOID = 2.13477 au 
 T_jup = 3.229 
[ 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 14.5   n/a MPO417368  
diameter diameter 4.204 km 0.882 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.174   0.088 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78727 (2002 TN231)          Discovered 2002-Oct-08 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 TN231 = 2000 GH84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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