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118508 (2000 DW81)
Classification: Main-belt Asteroid          SPK-ID: 2118508
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07419689126909976 5.1153e-08  
a 2.311662992050705 1.1254e-08 au
q 2.140144784378717 1.1744e-07 au
i 7.064909918143193 7.4142e-06 deg
node 13.8920424378236 2.9798e-05 deg
peri 230.5634263021809 5.0559e-05 deg
M 185.1540157186155 4.0898e-05 deg
tp 2459624.002743604948
(2022-Feb-13.50274361)
0.00014649 TDB
period 1283.764043082339
3.51
9.3748e-06
2.567e-08
d
yr
n .2804253647232819 2.0478e-09 deg/d
Q 2.483181199722693 1.2089e-08 au
  Orbit Determination Parameters
   # obs. used (total)      528  
   data-arc span      7252 days (19.85 yr)  
   first obs. used      2000-02-28  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5687  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 16:52:30  

Additional Information
 Earth MOID = 1.13576 au 
 Jupiter MOID = 2.52292 au 
 T_jup = 3.570 
[ 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 16.2   n/a MPO449692  

118508 (2000 DW81)          Discovered 2000-Feb-28 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 2000 DW81 = 2001 PT45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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