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90809 (1995 DX2)
Classification: Inner Main-belt Asteroid          SPK-ID: 2090809
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05358103546057156 8.7067e-08  
a 1.926121465260463 1.1701e-08 au
q 1.822917882728974 1.7117e-07 au
i 19.07615114476785 1.5539e-05 deg
node 239.8125130687831 1.4108e-05 deg
peri 302.7870243922624 0.0001297 deg
M 269.9541285999891 0.00012739 deg
tp 2457644.722255647798
(2016-Sep-13.22225565)
0.00034502 JED
period 976.391373266188
2.67
8.8969e-06
2.436e-08
d
yr
n .3687046095007389 3.3596e-09 deg/d
Q 2.029325047791951 1.2327e-08 au
  Orbit Determination Parameters
   # obs. used (total)      304  
   data-arc span      7602 days (20.81 yr)  
   first obs. used      1995-02-24  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .526  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 16:26:00  

Additional Information
 Earth MOID = .845444 au 
 Jupiter MOID = 3.00051 au 
 T_jup = 3.850 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9 mag n/a MPO359377  

90809 (1995 DX2)          Discovered 1995-Feb-24 by McNaught, R. H. at Siding Spring
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1995 DX2 = 1998 KC62 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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