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JPL Small-Body Database Browser
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52916 (1998 SG105)
Classification: Main-belt Asteroid          SPK-ID: 2052916
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02120078908255862 2.6832e-08  
a 2.244913378533402 7.9949e-09 au
q 2.197319443486501 6.0887e-08 au
i 7.105974361731597 3.4018e-06 deg
node 153.0369779759284 2.6974e-05 deg
peri 325.6408019452217 9.5879e-05 deg
M 50.61117746985854 9.1438e-05 deg
tp 2458827.780349876291
(2019-Dec-10.28034988)
0.00031215 TDB
period 1228.564067326153
3.36
6.563e-06
1.797e-08
d
yr
n .2930250115352177 1.5653e-09 deg/d
Q 2.292507313580302 8.1644e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1321  
   data-arc span      7811 days (21.39 yr)  
   first obs. used      1998-09-17  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54248  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:38:14  

Additional Information
 Earth MOID = 1.21445 au 
 Jupiter MOID = 2.69557 au 
 T_jup = 3.621 
[ 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 15.4   n/a MPO351207  
diameter diameter 2.538 km 0.428 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.250   0.175 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52916 (1998 SG105)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SG105 = 2000 CX91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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