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85103 (2412 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2085103
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1894664979579217 6.2056e-08  
a 2.727929341929623 1.9891e-08 au
q 2.21107812283756 1.6786e-07 au
i 8.389533659460795 4.9155e-06 deg
node 220.7720641058258 3.7348e-05 deg
peri 124.8542059602928 3.9434e-05 deg
M 188.623627638716 1.8914e-05 deg
tp 2459783.923414642669
(2022-Jul-23.42341464)
9.2452e-05 TDB
period 1645.690274484275
4.51
1.8e-05
4.928e-08
d
yr
n .2187531916434376 2.3926e-09 deg/d
Q 3.244780561021687 2.366e-08 au
  Orbit Determination Parameters
   # obs. used (total)      633  
   data-arc span      15535 days (42.53 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55971  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:33:21  

Additional Information
 Earth MOID = 1.21747 au 
 Jupiter MOID = 2.26203 au 
 T_jup = 3.314 
[ 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 15.1   n/a MPO412681  
diameter diameter 6.726 km 0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85103 (2412 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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