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JPL Small-Body Database Browser
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85102 (2211 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2085102
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09386353307434403 4.0864e-08  
a 2.553563796233722 1.7297e-08 au
q 2.313877276388491 1.1002e-07 au
i 3.416221469155738 4.348e-06 deg
node 280.9301081182851 7.9767e-05 deg
peri 316.6822266074759 8.6922e-05 deg
M 198.8863611257525 3.8139e-05 deg
tp 2459267.534506899389
(2021-Feb-22.03450690)
0.00016147 TDB
period 1490.453720502261
4.08
1.5144e-05
4.146e-08
d
yr
n .2415371876683869 2.4541e-09 deg/d
Q 2.793250316078954 1.8921e-08 au
  Orbit Determination Parameters
   # obs. used (total)      621  
   data-arc span      15033 days (41.16 yr)  
   first obs. used      1977-10-07  
   last obs. used      2018-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62914  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:21:32  

Additional Information
 Earth MOID = 1.30302 au 
 Jupiter MOID = 2.21656 au 
 T_jup = 3.430 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456539.5 (2013-Sep-04.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0948402239902096 4.0547e-08  
q 2.311020362821833 1.0921e-07 au
tp 2456288.943468895643
(2012-Dec-27.44346890)
0.00014657 TDB
node 281.0358522316659 7.9694e-05 deg
peri 316.9932096507155 8.6786e-05 deg
i 3.418189292640155 4.351e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      621  
   data-arc span      15033 days (41.16 yr)  
   first obs. used      1977-10-07  
   last obs. used      2018-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62914  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:21:32  

Additional Information
 Jupiter MOID = 2.21656 au 
 T_jup = 3.430 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.644025080088578E-15 -4.386579034665865E-15 -2.059305248444619E-12 3.347077430476991E-14 -4.687357322786621E-13 6.232842240456517E-16
q -4.386579034665865E-15 1.192703464405585E-14 6.139479111509179E-12 -9.280990753871466E-14 1.409019644761515E-12 -1.179539543415033E-15
tp -2.059305248444619E-12 6.139479111509179E-12 2.148414170662379E-8 -1.385705325018601E-10 5.065885690208364E-9 3.969916515686906E-12
node 3.347077430476991E-14 -9.280990753871466E-14 -1.385705325018601E-10 6.351057071311708E-9 -6.370720921655765E-9 6.499043111530598E-11
peri -4.687357322786621E-13 1.409019644761515E-12 5.065885690208364E-9 -6.370720921655765E-9 7.531837147039548E-9 -6.39275115166069E-11
i 6.232842240456517E-16 -1.179539543415033E-15 3.969916515686906E-12 6.499043111530598E-11 -6.39275115166069E-11 1.89314213338928E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO459394  

85102 (2211 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

Alternate Designations
 2211 T-3 = 2000 EF155 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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