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85073 (1263 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2085073
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1772026055357282 4.7388e-08  
a 2.1998544020062 8.3814e-09 au
q 1.81003447017146 1.037e-07 au
i 2.954058551856928 4.7237e-06 deg
node 182.5281390003235 7.4293e-05 deg
peri 208.3040851845228 7.5553e-05 deg
M 208.5538470994 1.7635e-05 deg
tp 2459897.854686087340
(2022-Nov-14.35468609)
6.0192e-05 TDB
period 1191.761451411073
3.26
6.8109e-06
1.865e-08
d
yr
n .3020738752489031 1.7263e-09 deg/d
Q 2.58967433384094 9.8666e-09 au
  Orbit Determination Parameters
   # obs. used (total)      618  
   data-arc span      17432 days (47.73 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52725  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:25:17  

Additional Information
 Earth MOID = .815321 au 
 Jupiter MOID = 2.84769 au 
 T_jup = 3.643 
[ 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 16.42   n/a MPO637168  
diameter diameter 1.350 km 0.147 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.222   0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85073 (1263 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1263 T-2 = 1999 RB137 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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