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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1784708714519502 7.0644e-08  
a 2.980599925585123 2.57e-08 au
q 2.448649659416328 2.0913e-07 au
i 4.766387850650657 9.363e-06 deg
node 25.53274926081469 9.0933e-05 deg
peri 45.79936547940273 9.4617e-05 deg
M 77.82546843781567 2.6335e-05 deg
tp 2458794.175322874875
(2019-Nov-06.67532287)
0.00013541 TDB
period 1879.550315613243
5.15
2.431e-05
6.656e-08
d
yr
n .1915351757330011 2.4773e-09 deg/d
Q 3.512550191753917 3.0287e-08 au
  Orbit Determination Parameters
   # obs. used (total)      198  
   data-arc span      9536 days (26.11 yr)  
   first obs. used      1995-02-04  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62731  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:35:45  

Additional Information
 Earth MOID = 1.46545 au 
 Jupiter MOID = 1.80944 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 16.3   n/a MPO532316  
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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