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249737 (2000 SE138)
Classification: Main-belt Asteroid          SPK-ID: 2249737
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1242157654857787 4.6007e-08  
a 2.237005877774367 1.2787e-08 au
q 1.959134480270438 1.0097e-07 au
i 5.830894391736675 5.0604e-06 deg
node 233.8531797419186 4.3833e-05 deg
peri 138.6640783486428 4.8692e-05 deg
M 316.2781214644015 2.5056e-05 deg
tp 2459148.921025273852
(2020-Oct-26.42102527)
8.5846e-05 TDB
period 1222.078531119894
3.35
1.0478e-05
2.869e-08
d
yr
n .2945800869851642 2.5257e-09 deg/d
Q 2.514877275278297 1.4375e-08 au
  Orbit Determination Parameters
   # obs. used (total)      307  
   data-arc span      7193 days (19.69 yr)  
   first obs. used      2000-09-21  
   last obs. used      2020-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60015  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 04:40:38  

Additional Information
 Earth MOID = .96441 au 
 Jupiter MOID = 2.95925 au 
 T_jup = 3.621 
[ 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 16.9   n/a MPO437160  

249737 (2000 SE138)          Discovered 2000-Sep-23 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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