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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 ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02087377760612307 2.6779e-08  
a 2.245191575448882 7.6371e-09 au
q 2.19832594581982 6.0581e-08 au
i 7.10637352260645 3.3522e-06 deg
node 153.034638808713 2.6011e-05 deg
peri 325.5958575443512 9.3263e-05 deg
M 166.7178424677299 8.8898e-05 deg
tp 2458827.439929413099
(2019-Dec-09.93992941)
0.00030376 TDB
period 1228.792445841169
3.36
6.2696e-06
1.717e-08
d
yr
n .292970551062887 1.4948e-09 deg/d
Q 2.292057205077942 7.7965e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1452  
   data-arc span      8313 days (22.76 yr)  
   first obs. used      1998-09-17  
   last obs. used      2021-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53273  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 08:09:43  

Additional Information
 Earth MOID = 1.21607 au 
 Jupiter MOID = 2.69392 au 
 T_jup = 3.621 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.45   n/a E2021B10  
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

Alternate Designations
 1998 SG105 = 2000 CX91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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