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56978 (2000 SR173)
Classification: Main-belt Asteroid          SPK-ID: 2056978
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1042632429034852 3.7893e-08  
a 3.162917129348306 2.2709e-08 au
q 2.83314113240747 1.2092e-07 au
i 21.43511998559928 6.1329e-06 deg
node 232.1030126378301 1.0879e-05 deg
peri 295.2993394128739 3.0973e-05 deg
M 30.80519910634281 2.7886e-05 deg
tp 2458824.686724107074
(2019-Dec-07.18672411)
0.00015938 TDB
period 2054.613544387756
5.63
2.2127e-05
6.058e-08
d
yr
n .1752154321105065 1.887e-09 deg/d
Q 3.492693126289144 2.5077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1265  
   data-arc span      8940 days (24.48 yr)  
   first obs. used      1995-12-25  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46332  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 22:28:38  

Additional Information
 Earth MOID = 1.90001 au 
 Jupiter MOID = 1.6874 au 
 T_jup = 3.089 
[ 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 13.3   n/a MPO344721  
diameter diameter 11.282 km 0.122 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56978 (2000 SR173)          Discovered 2000-Sep-28 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 SR173 = 1998 KU7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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