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JPL Small-Body Database Browser
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117976 (1158 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2117976
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09576571759440815 4.3385e-08  
a 2.424295366446604 1.628e-08 au
q 2.192130981018047 1.1012e-07 au
i 6.67497856194464 5.7005e-06 deg
node 359.0422465697844 3.9963e-05 deg
peri 251.836057223919 5.7815e-05 deg
M 207.4262448820739 4.8613e-05 deg
tp 2459184.824449213479
(2020-Dec-01.32444921)
0.00018973 TDB
period 1378.722058418665
3.77
1.3888e-05
3.802e-08
d
yr
n .2611113659941761 2.6301e-09 deg/d
Q 2.656459751875162 1.7839e-08 au
  Orbit Determination Parameters
   # obs. used (total)      564  
   data-arc span      17472 days (47.84 yr)  
   first obs. used      1971-03-24  
   last obs. used      2019-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61777  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:05:47  

Additional Information
 Earth MOID = 1.18933 au 
 Jupiter MOID = 2.38775 au 
 T_jup = 3.496 
[ 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 15.7   n/a MPO417614  

117976 (1158 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
 1158 T-1 = 2001 DM97 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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