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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07618913948254176 6.467e-08  
a 2.587705010637194 2.1752e-08 au
q 2.390549992642085 1.6374e-07 au
i 2.424225808094401 5.7579e-06 deg
node 286.7119665990489 0.0001648 deg
peri 112.5129444760076 0.00016942 deg
M 38.17252018619285 4.0169e-05 deg
tp 2458439.280002651914
(2018-Nov-16.78000265)
0.00016941 TDB
period 1520.444517737238
4.16
1.9171e-05
5.249e-08
d
yr
n .2367728620152221 2.9854e-09 deg/d
Q 2.784860028632303 2.3409e-08 au
  Orbit Determination Parameters
   # obs. used (total)      269  
   data-arc span      9141 days (25.03 yr)  
   first obs. used      1993-10-10  
   last obs. used      2018-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53072  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 02:56:14  

Additional Information
 Earth MOID = 1.3988 au 
 Jupiter MOID = 2.51202 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 16.3   n/a MPO412929  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2100-Dec-31 11:38 < 00:01 Eunom 0.0210570098903321 0.0210308827737051 0.0210831390410629 3.7108854162831 3.71088523663624 2488433.984590786 0.803891409555582 1341.76334547637 51.8769912726211 -14.0950338391529 14941.7452071173 T 15 CATAB v2.0e-lin.ifort 2018-Oct-31 02:56:20 2018-Dec-17 19:08

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