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(2008 DG23)
Classification: Mars-crossing Asteroid          SPK-ID: 3405152
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3713262033435111 4.5418e-05  
a 2.26320415261321 0.00017557 au
q 1.422817147232078 1.9096e-05 au
i 5.249616975223336 0.00031912 deg
node 46.64475828266204 0.0012479 deg
peri 157.9785209028609 0.005276 deg
M 255.6772436422864 0.15863 deg
tp 2459560.879913158973
(2021-Dec-12.37991316)
0.58993 TDB
period 1243.609479530758
3.40
0.14471
0.0003962
d
yr
n .2894799419958074 3.3685e-05 deg/d
Q 3.103591157994341 0.00024076 au
  Orbit Determination Parameters
   # obs. used (total)      34  
   data-arc span      68 days  
   first obs. used      2008-02-29  
   last obs. used      2008-05-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .40873  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 01:27:58  

Additional Information
 Earth MOID = .419731 au 
 Jupiter MOID = 1.8551 au 
 T_jup = 3.519 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 19.7   n/a MPO139288  

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