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390272 (2012 XN148)
Classification: Main-belt Asteroid          SPK-ID: 2390272
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02274226273599466 1.4719e-07  
a 2.903485472021351 6.765e-08 au
q 2.837453642566498 3.9848e-07 au
i 2.299802377677095 1.4305e-05 deg
node 164.2897885391505 0.00025759 deg
peri 337.6315506599388 0.00048827 deg
M 120.8431165882739 0.00040739 deg
tp 2458393.907090587047
(2018-Oct-02.40709059)
0.002043 TDB
period 1807.082219938814
4.95
6.3157e-05
1.729e-07
d
yr
n .1992161707020664 6.9625e-09 deg/d
Q 2.969517301476203 6.9189e-08 au
  Orbit Determination Parameters
   # obs. used (total)      75  
   data-arc span      5511 days (15.09 yr)  
   first obs. used      2004-03-23  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69562  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:59:07  

Additional Information
 Earth MOID = 1.84935 au 
 Jupiter MOID = 2.0057 au 
 T_jup = 3.285 
[ 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 16.7   n/a MPO434437  

390272 (2012 XN148)          Discovered 2007-Nov-03 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-03-21

[ show close-approach data ]
Alternate Designations
 2012 XN148 = 2007 VT114 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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