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85077 (1454 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2085077
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1318635245778334 2.9997e-08  
a 2.350976826500201 1.0171e-08 au
q 2.040968735957075 7.0327e-08 au
i 6.866604240177552 5.0817e-06 deg
node 352.1121207738866 2.6049e-05 deg
peri 302.1573360279285 3.1991e-05 deg
M 37.26124051461422 1.8212e-05 deg
tp 2458864.221997871296
(2020-Jan-15.72199787)
6.6525e-05 TDB
period 1316.651836835424
3.60
8.5445e-06
2.339e-08
d
yr
n .2734208011020293 1.7744e-09 deg/d
Q 2.660984917043327 1.1512e-08 au
  Orbit Determination Parameters
   # obs. used (total)      683  
   data-arc span      17203 days (47.10 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54989  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:02:10  

Additional Information
 Earth MOID = 1.03511 au 
 Jupiter MOID = 2.5458 au 
 T_jup = 3.536 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457623.5 (2016-Aug-23.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1315357583070643 3.0023e-08  
q 2.042042137275851 7.0405e-08 au
tp 2457548.444437337317
(2016-Jun-08.94443734)
6.6591e-05 TDB
node 352.1635215611591 2.6046e-05 deg
peri 302.4371285521214 3.2014e-05 deg
i 6.866570152835183 5.0818e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      683  
   data-arc span      17203 days (47.10 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54989  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:02:10  

Additional Information
 Jupiter MOID = 2.5458 au 
 T_jup = 3.536 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.013891640816829E-16 -2.097241426344305E-15 6.805830022956814E-13 -3.242297853737877E-15 1.986735988282577E-13 -4.002966178461003E-16
q -2.097241426344305E-15 4.956816491565938E-15 -1.630842855029903E-12 7.677054143165186E-15 -4.728209873122241E-13 1.023391857894797E-15
tp 6.805830022956814E-13 -1.630842855029903E-12 4.434320613090249E-9 -5.740511799068643E-12 1.245060297378382E-9 3.7739231398335E-13
node -3.242297853737877E-15 7.677054143165186E-15 -5.740511799068643E-12 6.784194959605682E-10 -6.748017243326007E-10 2.056494652818512E-11
peri 1.986735988282577E-13 -4.728209873122241E-13 1.245060297378382E-9 -6.748017243326007E-10 1.024884856521426E-9 -2.030152066055309E-11
i -4.002966178461003E-16 1.023391857894797E-15 3.7739231398335E-13 2.056494652818512E-11 -2.030152066055309E-11 2.582508593656432E-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 16.2   n/a MPO474737  

85077 (1454 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
 1454 T-2 = 2002 UB25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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