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JPL Small-Body Database Browser
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117891 (2750 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117891
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1482451012766755 5.7522e-08  
a 2.221883474104321 1.1067e-08 au
q 1.892500133460754 1.3123e-07 au
i 4.028060396267381 6.31e-06 deg
node 158.7866307868695 8.0672e-05 deg
peri 176.7019184602366 8.2921e-05 deg
M 273.2338197945089 2.1128e-05 deg
tp 2458892.060255921649
(2020-Feb-12.56025592)
7.1892e-05 TDB
period 1209.707421523105
3.31
9.0384e-06
2.475e-08
d
yr
n .2975926191696296 2.2235e-09 deg/d
Q 2.551266814747888 1.2708e-08 au
  Orbit Determination Parameters
   # obs. used (total)      306  
   data-arc span      21413 days (58.63 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54856  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:55:10  

Additional Information
 Earth MOID = .881839 au 
 Jupiter MOID = 2.79803 au 
 T_jup = 3.631 
[ 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 16.8   n/a MPO273153  

117891 (2750 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
 2750 P-L = 2003 SB46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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