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117895 (2802 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2117895
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2517556591679825 8.5688e-08  
a 2.640829653619047 1.4876e-08 au
q 1.975985843421829 2.2192e-07 au
i 13.22103707402864 7.9625e-06 deg
node 15.95945286386861 3.0822e-05 deg
peri 46.89504712926684 3.7077e-05 deg
M 290.9631442432811 1.4817e-05 deg
tp 2459301.098986213667
(2021-Mar-27.59898621)
6.4899e-05 TDB
period 1567.505267306272
4.29
1.3245e-05
3.626e-08
d
yr
n .2296643000241097 1.9406e-09 deg/d
Q 3.305673463816266 1.8621e-08 au
  Orbit Determination Parameters
   # obs. used (total)      344  
   data-arc span      21051 days (57.63 yr)  
   first obs. used      1960-09-24  
   last obs. used      2018-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .535  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:42:02  

Additional Information
 Earth MOID = 1.01169 au 
 Jupiter MOID = 2.19587 au 
 T_jup = 3.313 
[ 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 16.1   n/a MPO449689  

117895 (2802 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
 2802 P-L = 1999 XB144 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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