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160894 (2001 SP87)
Classification: Main-belt Asteroid          SPK-ID: 2160894
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0764780562227516 6.0343e-08  
a 2.586598633850234 1.7045e-08 au
q 2.388780598104943 1.5204e-07 au
i 2.424393372783785 4.7203e-06 deg
node 286.7110665466749 0.00014584 deg
peri 112.2122895486172 0.00014982 deg
M 180.5715729279229 3.4081e-05 deg
tp 2459957.822294225718
(2023-Jan-13.32229423)
0.00014403 TDB
period 1519.469519797661
4.16
1.5019e-05
4.112e-08
d
yr
n .2369247920471212 2.3419e-09 deg/d
Q 2.784416669595524 1.8349e-08 au
  Orbit Determination Parameters
   # obs. used (total)      340  
   data-arc span      9687 days (26.52 yr)  
   first obs. used      1993-10-10  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52282  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 01:36:56  

Additional Information
 Earth MOID = 1.3965 au 
 Jupiter MOID = 2.51257 au 
 T_jup = 3.416 
[ 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 16.48   n/a E2020-QM9  

160894 (2001 SP87)          Discovered 2001-Sep-20 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Alternate Designations
 2001 SP87 = 2004 JL51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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