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90636 (3250 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2090636
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1385557800264366 5.7702e-08  
a 2.721149368185047 1.7416e-08 au
q 2.344118394907723 1.552e-07 au
i 6.796737894166487 5.6619e-06 deg
node 21.30772273134217 4.4305e-05 deg
peri 290.9289053060465 5.0348e-05 deg
M 184.5411591190153 2.8239e-05 deg
tp 2459799.597467692743
(2022-Aug-08.09746769)
0.00013159 TDB
period 1639.558810060304
4.49
1.574e-05
4.309e-08
d
yr
n .2195712638003872 2.1079e-09 deg/d
Q 3.098180341462371 1.9829e-08 au
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      16938 days (46.37 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62134  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:15:12  

Additional Information
 Earth MOID = 1.34098 au 
 Jupiter MOID = 2.20541 au 
 T_jup = 3.334 
[ 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 15.6   n/a MPO453344  

90636 (3250 T-2)          Discovered 1973-Sep-30 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 3250 T-2 = 2000 SF71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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