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249992 (2001 XM90)
Classification: Main-belt Asteroid          SPK-ID: 2249992
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08584862570506593 7.6222e-08  
a 2.833029617896337 3.3661e-08 au
q 2.589817918618188 2.2242e-07 au
i 5.146632420967218 7.9065e-06 deg
node 262.1994150707615 9.762e-05 deg
peri 107.9418326847752 0.00011191 deg
M 359.1305533833022 5.5331e-05 deg
tp 2459004.706447958367
(2020-Jun-04.20644796)
0.00026772 TDB
period 1741.707007571933
4.77
3.1042e-05
8.499e-08
d
yr
n .206693777101963 3.6838e-09 deg/d
Q 3.076241317174485 3.6551e-08 au
  Orbit Determination Parameters
   # obs. used (total)      192  
   data-arc span      6466 days (17.70 yr)  
   first obs. used      2001-10-21  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68806  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:19:27  

Additional Information
 Earth MOID = 1.59537 au 
 Jupiter MOID = 2.36486 au 
 T_jup = 3.301 
[ 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 16.2   n/a MPO352526  

249992 (2001 XM90)          Discovered 2001-Dec-10 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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