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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1898270142841389 4.4781e-08  
a 2.727092706534328 1.6564e-08 au
q 2.209416840376865 1.2821e-07 au
i 8.3914014826761 4.6588e-06 deg
node 220.7662636603654 2.6949e-05 deg
peri 124.9097796238259 2.9672e-05 deg
M 275.2351341120811 1.6337e-05 deg
tp 2459783.812629004158
(2022-Jul-23.31262900)
7.6714e-05 TDB
period 1644.93325130559
4.50
1.4987e-05
4.103e-08
d
yr
n .2188538651731106 1.9939e-09 deg/d
Q 3.244768572691791 1.9708e-08 au
  Orbit Determination Parameters
   # obs. used (total)      767  
   data-arc span      15954 days (43.68 yr)  
   first obs. used      1977-10-07  
   last obs. used      2021-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54055  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:09:35  

Additional Information
 Earth MOID = 1.21501 au 
 Jupiter MOID = 2.26294 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 15.14   n/a MPO637169  
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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