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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08560631701221683 4.542e-08  
a 3.087410931517101 2.2766e-08 au
q 2.823109052566664 1.4467e-07 au
i 8.784491937952755 4.4726e-06 deg
node 252.8140304210261 3.5804e-05 deg
peri 151.7225289286264 4.8561e-05 deg
M 207.9547929446876 3.4994e-05 deg
tp 2460233.374465052430
(2023-Oct-15.87446505)
0.00019836 TDB
period 1981.481779358386
5.43
2.1917e-05
6.001e-08
d
yr
n .1816822156782939 2.0096e-09 deg/d
Q 3.351712810467538 2.4715e-08 au
  Orbit Determination Parameters
   # obs. used (total)      948  
   data-arc span      9442 days (25.85 yr)  
   first obs. used      1995-08-24  
   last obs. used      2021-06-30  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5364  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:02:02  

Additional Information
 Earth MOID = 1.83609 au 
 Jupiter MOID = 1.99804 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 14.29   n/a MPO637105  
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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