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117999 (1113 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2117999
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2316990366882777 4.2943e-08  
a 2.361306129231149 1.2115e-08 au
q 1.814193773762166 1.0354e-07 au
i 2.31523257556241 7.1302e-06 deg
node 176.6337604139499 0.00014178 deg
peri 131.8073276200652 0.00014289 deg
M 347.2082905892624 2.0678e-05 deg
tp 2459047.592630799858
(2020-Jul-17.09263080)
7.6308e-05 TDB
period 1325.338666129934
3.63
1.02e-05
2.793e-08
d
yr
n .2716286857088542 2.0905e-09 deg/d
Q 2.908418484700132 1.4922e-08 au
  Orbit Determination Parameters
   # obs. used (total)      331  
   data-arc span      16598 days (45.44 yr)  
   first obs. used      1973-09-19  
   last obs. used      2019-02-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62929  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 11:35:56  

Additional Information
 Earth MOID = .800581 au 
 Jupiter MOID = 2.36432 au 
 T_jup = 3.513 
[ 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 17.0   n/a MPO432683  

117999 (1113 T-2)          Discovered 1973-Sep-29 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
 1113 T-2 = 2002 RJ14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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