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56975 (2000 SP161)
Classification: Outer Main-belt Asteroid          SPK-ID: 2056975
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0921501704609165 4.435e-08  
a 3.360096272683317 2.8448e-08 au
q 3.050462828390459 1.5585e-07 au
i 9.829446306774807 4.3078e-06 deg
node 102.8758786353865 2.6877e-05 deg
peri 275.1431427519993 3.5246e-05 deg
M 54.05278641385251 2.2741e-05 deg
tp 2458662.714040122219
(2019-Jun-28.21404012)
0.00014203 TDB
period 2249.707251444067
6.16
2.857e-05
7.822e-08
d
yr
n .1600208203840385 2.0322e-09 deg/d
Q 3.669729716976174 3.1069e-08 au
  Orbit Determination Parameters
   # obs. used (total)      964  
   data-arc span      8214 days (22.49 yr)  
   first obs. used      1998-04-24  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49542  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:57:06  

Additional Information
 Earth MOID = 2.0739 au 
 Jupiter MOID = 1.82564 au 
 T_jup = 3.125 
[ 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 14.0   n/a MPO379005  
diameter diameter 9.204 km 0.213 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56975 (2000 SP161)          Discovered 2000-Sep-19 by NEAT at Haleakala
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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