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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09939952714839845 5.5927e-08  
a 2.719796645528333 2.2448e-08 au
q 2.449450145023016 1.5388e-07 au
i 5.249856972769051 8.7177e-06 deg
node 179.5870767842584 5.4537e-05 deg
peri 115.0416604077716 7.1163e-05 deg
M 17.77766910891944 4.3513e-05 deg
tp 2458519.594993830687
(2019-Feb-05.09499383)
0.0001982 TDB
period 1638.336389461748
4.49
2.0283e-05
5.553e-08
d
yr
n .219735093669178 2.7204e-09 deg/d
Q 2.99014314603365 2.4679e-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 = 1.43868 au 
 Jupiter MOID = 2.17939 au 
 T_jup = 3.346 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457599.5 (2016-Jul-30.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .100767266160643 5.6036e-08  
q 2.445196547832833 1.5461e-07 au
tp 2456883.626952158286
(2014-Aug-14.12695216)
0.00020048 TDB
node 179.6320650215852 5.4474e-05 deg
peri 115.5744031254135 7.076e-05 deg
i 5.252769626714516 8.7251e-06 deg
  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
 Jupiter MOID = 2.17939 au 
 T_jup = 3.346 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.140038952740712E-15 -8.589365635837683E-15 4.457292297990277E-12 -1.487902184139494E-14 8.959490547138644E-13 2.500902106799448E-15
q -8.589365635837683E-15 2.390447057656166E-14 -1.333334607011687E-11 4.080149093394919E-14 -2.670004574488434E-12 -6.13513496646158E-15
tp 4.457292297990277E-12 -1.333334607011687E-11 4.01925652191209E-8 -1.089465466295865E-10 9.049999777815676E-9 7.481554344515525E-12
node -1.487902184139494E-14 4.080149093394919E-14 -1.089465466295865E-10 2.96736854572115E-9 -2.978466296657428E-9 -1.520588206218152E-11
peri 8.959490547138644E-13 -2.670004574488434E-12 9.049999777815676E-9 -2.978466296657428E-9 5.0070095748951E-9 1.676475620037862E-11
i 2.500902106799448E-15 -6.13513496646158E-15 7.481554344515525E-12 -1.520588206218152E-11 1.676475620037862E-11 7.612718908524132E-11

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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