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249922 (2001 SG295)
Classification: Main-belt Asteroid          SPK-ID: 2249922
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09928669431215986 5.5996e-08  
a 2.720176122100849 2.2375e-08 au
q 2.450098826990586 1.541e-07 au
i 5.24943999966449 8.717e-06 deg
node 179.5837429179391 5.4541e-05 deg
peri 115.1872315645121 7.1171e-05 deg
M 105.5414617537973 4.3338e-05 deg
tp 2458520.087203425693
(2019-Feb-05.58720343)
0.00019827 TDB
period 1638.6792819887
4.49
2.0219e-05
5.536e-08
d
yr
n .2196891142500466 2.7106e-09 deg/d
Q 2.990253417211113 2.4596e-08 au
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      6606 days (18.09 yr)  
   first obs. used      2001-09-20  
   last obs. used      2019-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58068  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:48:47  

Additional Information
 Earth MOID = 1.44003 au 
 Jupiter MOID = 2.18026 au 
 T_jup = 3.346 
[ 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 MPO454854  

249922 (2001 SG295)          Discovered 2001-Sep-20 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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