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JPL Small-Body Database Browser
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(2012 SD22)
Classification: Apollo [NEO, PHA]          SPK-ID: 3608936
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5724299965124247 4.1539e-08  
a 1.9650683735378 1.1069e-08 au
q .8402042913268811 8.0813e-08 au
i 7.908679121671981 1.6896e-05 deg
node 140.2490659926577 0.00011224 deg
peri 313.8086752059438 0.00011061 deg
M 252.5075567197712 1.2568e-05 deg
tp 2459300.927967443510
(2021-Mar-27.42796744)
3.6602e-05 TDB
period 1006.155083829567
2.75
8.5017e-06
2.328e-08
d
yr
n .3577977250085442 3.0233e-09 deg/d
Q 3.089932455748718 1.7406e-08 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      4255 days (11.65 yr)  
   first obs. used      2001-08-26  
   last obs. used      2013-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42841  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 08:48:54  

Additional Information
 Earth MOID = .0168909 au 
 Jupiter MOID = 2.16388 au 
 T_jup = 3.646 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 20.1   n/a MPO260828  

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