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90661 (3853 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2090661
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1803586667166876 5.36e-08  
a 3.19100706012926 2.2564e-08 au
q 2.61548128128081 1.7349e-07 au
i 5.420095065817281 5.6056e-06 deg
node 38.81149425972666 5.7953e-05 deg
peri 325.5601258134531 5.9693e-05 deg
M 165.6707898751122 1.354e-05 deg
tp 2458042.349972130238
(2017-Oct-15.84997213)
7.5488e-05 TDB
period 2082.044820895321
5.70
2.2084e-05
6.046e-08
d
yr
n .1729069405168678 1.834e-09 deg/d
Q 3.766532838977711 2.6634e-08 au
  Orbit Determination Parameters
   # obs. used (total)      604  
   data-arc span      15460 days (42.33 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52372  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:15:54  

Additional Information
 Earth MOID = 1.61606 au 
 Jupiter MOID = 1.69916 au 
 T_jup = 3.164 
[ show covariance matrix ]

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 14.5   n/a MPO432445  

90661 (3853 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 3853 T-3 = 1983 VR6 = 2000 SM84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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