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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

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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
1917-Jan-22 16:29 00:03 Jupiter 1.68648996354881 1.68648940419163 1.68649052291424 6.10215263505843 6.01928459394144 2421251.187032401 2.63150355920193 544.109647435434 25.5173613951882 -88.8875383615854 3160450.40190089 T 26 CATAB v2.0f-lin.ifort 2020-Jun-23 22:28:58 2020-Jun-23 22:29
2012-Oct-15 23:36 < 00:01 Jupiter 1.90406685869803 1.90406628210042 1.90406743529575 6.36856879564593 6.29833074815028 2456216.483304017 0.224218334551271 93.6041611273197 27.6602868657698 -86.1296634281252 3729748.13716752 T 26 CATAB v2.0f-lin.ifort 2020-Jun-23 22:28:58 2020-Jun-23 22:29
2023-Aug-20 08:13 < 00:01 Jupiter 1.68431943491867 1.68431888614315 1.68431998369419 6.01077352375972 5.92651872133009 2460176.842480815 0.376740740592184 98.6114229656674 26.4574990390502 -88.7184256259954 2944413.05677831 T 26 CATAB v2.0f-lin.ifort 2020-Jun-23 22:28:58 2020-Jun-23 22:29
2119-May-14 16:23 00:03 Jupiter 1.81574374330996 1.81574106283603 1.81574642382105 6.31265627728355 6.23832136411898 2495142.182863153 3.00921394265814 450.473625748107 38.4266522351061 73.5078719271407 3569133.50896196 T 26 CATAB v2.0f-lin.ifort 2020-Jun-23 22:28:58 2020-Jun-23 22:29
2130-Mar-22 01:53 00:03 Jupiter 1.69919559218368 1.69919399884907 1.69919718560976 5.92376958727159 5.83901338403055 2499106.578157495 3.29661064262311 673.809835652958 27.0810049603254 -83.5004221056927 2815480.29757443 T 26 CATAB v2.0f-lin.ifort 2020-Jun-23 22:28:58 2020-Jun-23 22:29

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