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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1769125874596098 5.0182e-08  
a 2.200422096915802 9.1131e-09 au
q 1.811139730247127 1.0907e-07 au
i 2.953417581597264 5.3285e-06 deg
node 182.5286326190989 9.2871e-05 deg
peri 208.3489323767909 9.4134e-05 deg
M 88.91089718145911 1.7759e-05 deg
tp 2458706.051114352710
(2019-Aug-10.55111435)
5.7975e-05 TDB
period 1192.222800504247
3.26
7.4064e-06
2.028e-08
d
yr
n .3019569830804603 1.8758e-09 deg/d
Q 2.589704463584476 1.0725e-08 au
  Orbit Determination Parameters
   # obs. used (total)      533  
   data-arc span      16933 days (46.36 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54137  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:26:00  

Additional Information
 Earth MOID = .817137 au 
 Jupiter MOID = 2.84534 au 
 T_jup = 3.643 
[ 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 16.4   n/a MPO296712  
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

[ show close-approach data ]
Alternate Designations
 1263 T-2 = 1999 RB137 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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