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123888 (2001 DJ49)
Classification: Main-belt Asteroid          SPK-ID: 2123888
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03657757494749603 5.1237e-08  
a 3.187222117474849 3.4597e-08 au
q 3.070641261598596 1.6155e-07 au
i 10.37075465479162 5.7978e-06 deg
node 94.14266367656572 3.1813e-05 deg
peri 47.47152051511391 8.7931e-05 deg
M 142.733568868714 8.1612e-05 deg
tp 2458176.474698589242
(2018-Feb-26.97469859)
0.00047071 TDB
period 2078.341562248263
5.69
3.384e-05
9.265e-08
d
yr
n .1732150318981097 2.8204e-09 deg/d
Q 3.303802973351103 3.5863e-08 au
  Orbit Determination Parameters
   # obs. used (total)      502  
   data-arc span      6686 days (18.31 yr)  
   first obs. used      2001-01-18  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59617  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:01:43  

Additional Information
 Earth MOID = 2.09566 au 
 Jupiter MOID = 1.79373 au 
 T_jup = 3.171 
[ 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 14.8   n/a MPO436600  

123888 (2001 DJ49)          Discovered 2001-Feb-16 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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