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101216 (1998 SG53)
Classification: Main-belt Asteroid          SPK-ID: 2101216
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1784133460524256 7.1935e-08  
a 2.980938286766382 2.6323e-08 au
q 2.449099112648606 2.14e-07 au
i 4.766038446854993 9.3926e-06 deg
node 25.53939888076086 9.6512e-05 deg
peri 45.8440918750306 0.00010003 deg
M 39.4824119350324 2.6245e-05 deg
tp 2458794.328287107501
(2019-Nov-06.82828711)
0.00013608 TDB
period 1879.870377813549
5.15
2.49e-05
6.817e-08
d
yr
n .1915025654155532 2.5365e-09 deg/d
Q 3.512777460884157 3.1019e-08 au
  Orbit Determination Parameters
   # obs. used (total)      194  
   data-arc span      9122 days (24.97 yr)  
   first obs. used      1995-02-04  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62994  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:17:22  

Additional Information
 Earth MOID = 1.46644 au 
 Jupiter MOID = 1.80852 au 
 T_jup = 3.230 
[ 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 16.2   n/a MPO453465  
diameter diameter 3.111 km 0.371 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101216 (1998 SG53)          Discovered 1998-Sep-30 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 SG53 = 2003 SS271 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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