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JPL Small-Body Database Browser
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442302 (2011 SB57)
Classification: Main-belt Asteroid          SPK-ID: 2442302
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02840397378576867 1.0177e-07  
a 3.138739679839726 7.5806e-08 au
q 3.049587000253207 3.5769e-07 au
i 10.4807864576856 9.7774e-06 deg
node 175.9731845791926 5.7587e-05 deg
peri 109.5379548715088 0.00019319 deg
M 221.5458810635107 0.00018593 deg
tp 2459381.650568295409
(2021-Jun-16.15056830)
0.0010545 TDB
period 2031.100315010086
5.56
7.3582e-05
2.015e-07
d
yr
n .177243830518638 6.4211e-09 deg/d
Q 3.227892359426246 7.7959e-08 au
  Orbit Determination Parameters
   # obs. used (total)      62  
   data-arc span      5783 days (15.83 yr)  
   first obs. used      2003-04-07  
   last obs. used      2019-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63614  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:31:43  

Additional Information
 Earth MOID = 2.05325 au 
 Jupiter MOID = 1.82546 au 
 T_jup = 3.185 
[ 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 16.6   n/a MPO343020  

442302 (2011 SB57)          Discovered 2005-Sep-13 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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