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JPL Small-Body Database Browser
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312365 (2008 DR81)
Classification: Main-belt Asteroid          SPK-ID: 2312365
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06460872656727082 5.3254e-08  
a 3.092078001809702 4.7737e-08 au
q 2.892302779666105 1.7633e-07 au
i 4.384502249668586 9.1517e-06 deg
node 185.0914363496688 8.6944e-05 deg
peri 123.7950621298886 0.00011582 deg
M 256.0409700298341 7.7609e-05 deg
tp 2459174.000506989432
(2020-Nov-20.50050699)
0.00043234 TDB
period 1985.976423360679
5.44
4.5991e-05
1.259e-07
d
yr
n .1812710341197336 4.1978e-09 deg/d
Q 3.291853223953298 5.0821e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      4946 days (13.54 yr)  
   first obs. used      2005-10-25  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62715  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:11:10  

Additional Information
 Earth MOID = 1.88006 au 
 Jupiter MOID = 1.88443 au 
 T_jup = 3.217 
[ 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 16.1   n/a MPO434003  

312365 (2008 DR81)          Discovered 2008-Feb-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2008 DR81 = 2005 VX64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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