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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457080.5 (2015-Feb-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02069171198574331 2.6918e-08  
q 2.198768663987209 6.1073e-08 au
tp 2457601.702493357935
(2016-Aug-01.20249336)
0.0003202 TDB
node 153.0705273306992 2.6958e-05 deg
peri 326.4009103612515 9.7878e-05 deg
i 7.107370822928925 3.4029e-06 deg
  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
 Jupiter MOID = 2.69557 au 
 T_jup = 3.621 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.245602145990638E-16 -1.630440216346594E-15 1.077028060649992E-12 -7.38128901222882E-16 3.093182489786701E-13 2.131959726526421E-16
q -1.630440216346594E-15 3.729959280770057E-15 -2.767986097262186E-12 1.571591559513834E-15 -8.035914906596504E-13 -3.339658878150682E-16
tp 1.077028060649992E-12 -2.767986097262186E-12 1.025310160199E-7 -3.936156165800074E-11 3.01377934404538E-8 -5.568112924690792E-12
node -7.38128901222882E-16 1.571591559513834E-15 -3.936156165800074E-11 7.267455771232664E-10 -7.323721711434405E-10 1.904679485406813E-11
peri 3.093182489786701E-13 -8.035914906596504E-13 3.01377934404538E-8 -7.323721711434405E-10 9.580109320044263E-9 -2.056519404661762E-11
i 2.131959726526421E-16 -3.339658878150682E-16 -5.568112924690792E-12 1.904679485406813E-11 -2.056519404661762E-11 1.157950940405975E-11

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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