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

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05372791040936652 4.0998e-08  
a 1.92625897214618 8.2421e-09 au
q 1.822765102665472 8.1044e-08 au
i 19.07499671755012 6.2254e-06 deg
node 239.7841054769017 1.0694e-05 deg
peri 302.781733054304 5.4631e-05 deg
M 139.8202523922276 5.3448e-05 deg
tp 2458621.239145036701
(2019-May-17.73914504)
0.00014473 TDB
period 976.4959328193673
2.67
6.2674e-06
1.716e-08
d
yr
n .3686651299822597 2.3662e-09 deg/d
Q 2.029752841626889 8.685e-09 au
  Orbit Determination Parameters
   # obs. used (total)      429  
   data-arc span      9293 days (25.44 yr)  
   first obs. used      1995-02-24  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51114  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:14:20  

Additional Information
 Earth MOID = .846013 au 
 Jupiter MOID = 3.00212 au 
 T_jup = 3.850 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO468892  

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 | Mission Design | Physical Parameters | Discovery Circumstances ]
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