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117984 (2283 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2117984
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2383705886136416 4.8239e-08  
a 2.388556199612095 8.2991e-09 au
q 1.819194652373797 1.1649e-07 au
i 6.07102711240433 6.4259e-06 deg
node 174.9474477853068 4.1601e-05 deg
peri 33.71950308935786 4.3573e-05 deg
M 95.62276705416981 1.1908e-05 deg
tp 2458642.353732774851
(2019-Jun-07.85373277)
4.4005e-05 TDB
period 1348.346844303449
3.69
7.0273e-06
1.924e-08
d
yr
n .2669936163094406 1.3915e-09 deg/d
Q 2.957917746850393 1.0277e-08 au
  Orbit Determination Parameters
   # obs. used (total)      376  
   data-arc span      17568 days (48.10 yr)  
   first obs. used      1971-03-24  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56263  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:55:14  

Additional Information
 Earth MOID = .818534 au 
 Jupiter MOID = 2.00708 au 
 T_jup = 3.487 
[ 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 16.9   n/a MPO475036  

117984 (2283 T-1)          Discovered 1971-Mar-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2283 T-1 = 1997 JL5 = 2004 BW71 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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