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79275 (1995 SB21)
Classification: Main-belt Asteroid          SPK-ID: 2079275
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0853250529709127 5.0669e-08  
a 3.08828814819736 2.3177e-08 au
q 2.824779798362978 1.5981e-07 au
i 8.783601368158667 4.5141e-06 deg
node 252.8195000509857 4.4276e-05 deg
peri 151.8970494620397 6.0042e-05 deg
M 135.8161942396992 4.0887e-05 deg
tp 2458252.633284442550
(2018-May-14.13328444)
0.00022149 TDB
period 1982.326327930527
5.43
2.2316e-05
6.11e-08
d
yr
n .1816048119462886 2.0444e-09 deg/d
Q 3.351796498031741 2.5155e-08 au
  Orbit Determination Parameters
   # obs. used (total)      858  
   data-arc span      9013 days (24.68 yr)  
   first obs. used      1995-08-24  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53969  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:39:06  

Additional Information
 Earth MOID = 1.83828 au 
 Jupiter MOID = 1.99574 au 
 T_jup = 3.202 
[ 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 14.2   n/a MPO280271  
diameter diameter 8.309 km 0.251 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.080   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

79275 (1995 SB21)          Discovered 1995-Sep-19 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1995 SB21 = 2001 SM74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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