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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1387655430100027 4.2784e-08  
a 2.72017340969579 1.5412e-08 au
q 2.342707069417983 1.2001e-07 au
i 6.798218033545817 5.6101e-06 deg
node 21.29875584450928 3.3698e-05 deg
peri 291.081456361892 4.1265e-05 deg
M 271.3551414450121 2.6917e-05 deg
tp 2459800.000766390742
(2022-Aug-08.50076639)
0.00012353 TDB
period 1638.676830992514
4.49
1.3926e-05
3.813e-08
d
yr
n .2196894428427081 1.867e-09 deg/d
Q 3.097639749973597 1.755e-08 au
  Orbit Determination Parameters
   # obs. used (total)      584  
   data-arc span      17430 days (47.72 yr)  
   first obs. used      1973-09-19  
   last obs. used      2021-06-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60379  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:38:42  

Additional Information
 Earth MOID = 1.33897 au 
 Jupiter MOID = 2.20522 au 
 T_jup = 3.335 
[ 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 15.68   n/a MPO637233  

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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