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187692 (2008 DM56)
Classification: Jupiter Trojan          SPK-ID: 2187692
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02000307537061528 7.0896e-08  
a 5.226822033161087 1.7192e-07 au
q 5.122269518082973 4.9295e-07 au
i 27.29750718480168 9.5043e-06 deg
node 15.19152906299916 1.1753e-05 deg
peri 241.3254763871174 0.00023637 deg
M 322.1735027333158 0.00023724 deg
tp 2459659.115388775874
(2022-Mar-20.61538878)
0.0028766 TDB
period 4364.706010057359
11.95
0.00021535
5.896e-07
d
yr
n .08247978195334833 4.0694e-09 deg/d
Q 5.3313745482392 1.7536e-07 au
  Orbit Determination Parameters
   # obs. used (total)      302  
   data-arc span      6841 days (18.73 yr)  
   first obs. used      2001-09-18  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60228  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:56:27  

Additional Information
 Earth MOID = 4.1561 au 
 Jupiter MOID = .284356 au 
 T_jup = 2.776 
[ 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 12.83   n/a E2021B55  

187692 (2008 DM56)          Discovered 2008-Feb-29 by Spacewatch at Kitt Peak
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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