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85318 (1995 DX4)
Classification: Main-belt Asteroid          SPK-ID: 2085318
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02240877099953405 5.5468e-08  
a 2.62276417985149 1.5736e-08 au
q 2.563991257959418 1.4137e-07 au
i 10.9440361359053 5.5702e-06 deg
node 316.0581288969537 2.7232e-05 deg
peri 258.5298539203185 0.00013333 deg
M 3.438515622090767 0.0001285 deg
tp 2459381.681447147952
(2021-Jun-16.18144715)
0.00055385 TDB
period 1551.448244836983
4.25
1.3962e-05
3.823e-08
d
yr
n .2320412564183388 2.0883e-09 deg/d
Q 2.681537101743563 1.6089e-08 au
  Orbit Determination Parameters
   # obs. used (total)      602  
   data-arc span      9623 days (26.35 yr)  
   first obs. used      1995-02-07  
   last obs. used      2021-06-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55877  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:25:47  

Additional Information
 Earth MOID = 1.58576 au 
 Jupiter MOID = 2.35334 au 
 T_jup = 3.378 
[ 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 15.47   n/a MPO637171  

85318 (1995 DX4)          Discovered 1995-Feb-21 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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