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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1808860233739797 4.8976e-08  
a 3.189558007802796 2.1302e-08 au
q 2.612611543450715 1.6055e-07 au
i 5.421582227135498 5.3698e-06 deg
node 38.8050191823593 4.5498e-05 deg
peri 325.596556139637 4.6771e-05 deg
M 234.1423842048024 1.2538e-05 deg
tp 2460123.896461296705
(2023-Jun-28.39646130)
7.7057e-05 TDB
period 2080.626781401382
5.70
2.0844e-05
5.707e-08
d
yr
n .1730247842707889 1.7334e-09 deg/d
Q 3.766504472154877 2.5155e-08 au
  Orbit Determination Parameters
   # obs. used (total)      710  
   data-arc span      15926 days (43.60 yr)  
   first obs. used      1977-10-07  
   last obs. used      2021-05-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50488  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:38:47  

Additional Information
 Earth MOID = 1.61238 au 
 Jupiter MOID = 1.70089 au 
 T_jup = 3.165 
[ 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 14.53   n/a E2021B10  

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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