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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456900.5 (2014-Aug-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1773363399123931 5.0285e-08  
q 1.809767791140539 1.0932e-07 au
tp 2456320.513844554741
(2013-Jan-28.01384455)
5.2643e-05 TDB
node 182.5703758916151 9.2788e-05 deg
peri 207.9895129292947 9.4043e-05 deg
i 2.954007563395689 5.3333e-06 deg
  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
 Jupiter MOID = 2.84534 au 
 T_jup = 3.643 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.52858793191056E-15 -5.485007922838656E-15 2.972905745907762E-13 1.02266523782702E-15 2.519364408871217E-15 1.719894050337791E-15
q -5.485007922838656E-15 1.195170471377736E-14 -5.667108489277056E-13 -3.228239663373128E-15 2.305093276378535E-14 -3.696944930843082E-15
tp 2.972905745907762E-13 -5.667108489277056E-13 2.771333791518663E-9 -3.38605641726106E-11 8.202563308525874E-10 -1.026914394030284E-12
node 1.02266523782702E-15 -3.228239663373128E-15 -3.38605641726106E-11 8.609633961529211E-9 -8.60712722900661E-9 -4.691431540162851E-11
peri 2.519364408871217E-15 2.305093276378535E-14 8.202563308525874E-10 -8.60712722900661E-9 8.844110253519661E-9 4.649508220329578E-11
i 1.719894050337791E-15 -3.696944930843082E-15 -1.026914394030284E-12 -4.691431540162851E-11 4.649508220329578E-11 2.844393197398513E-11

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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