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117890 (2748 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117890
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1870227975484882 6.7207e-08  
a 2.566895041309505 1.4864e-08 au
q 2.08682714967046 1.6734e-07 au
i 7.315564214954546 6.5628e-06 deg
node 170.2553121235535 4.1489e-05 deg
peri 232.7873212372907 4.3826e-05 deg
M 158.0970473786006 1.931e-05 deg
tp 2458340.822226372673
(2018-Aug-10.32222637)
7.7335e-05 TDB
period 1502.140630982984
4.11
1.3048e-05
3.572e-08
d
yr
n .2396579871249605 2.0817e-09 deg/d
Q 3.046962932948551 1.7644e-08 au
  Orbit Determination Parameters
   # obs. used (total)      475  
   data-arc span      21763 days (59.58 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56689  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:15:21  

Additional Information
 Earth MOID = 1.10425 au 
 Jupiter MOID = 2.3917 au 
 T_jup = 3.396 
[ 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 MPO469219  

117890 (2748 P-L)          Discovered 1960-Sep-24 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
 2748 P-L = 1993 TV37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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