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21272 (1996 SA1)
Classification: Main-belt Asteroid          SPK-ID: 2021272
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1003009727962693 5.5641e-08  
a 2.216327903514809 1.6646e-08 AU
q 1.994028058756758 1.2066e-07 AU
i 9.157282011696246 8.0418e-06 deg
node 11.6588741296193 3.6772e-05 deg
peri 87.2537377377482 6.7031e-05 deg
M 106.5554343979847 4.9737e-05 deg
tp 2456643.784031255996
(2013-Dec-17.28403126)
0.00016751 JED
period 1205.173152109738
3.30
1.3577e-05
3.717e-08
d
yr
n .2987122633538554 3.3652e-09 deg/d
Q 2.438627748272861 1.8315e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      650  
   data-arc span      6450 days (17.66 yr)  
   first obs. used      1996-09-18  
   last obs. used      2014-05-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54715  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:35:45  

Additional Information
 Earth MOID = 1.03502 AU 
 T_jup = 3.630 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0 mag n/a MPO279735  

21272 (1996 SA1)          Discovered 1996-Sep-18 by Beijing Schmidt CCD Asteroid Program at Xinglong (327)
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 SA1 = 1998 HN36 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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