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385250 (2001 DH47)
Classification: Mars-crossing Asteroid          SPK-ID: 2385250
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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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 .03461146556090114 6.9065e-08  
a 1.523824954679738 5.8523e-09 au
q 1.471083139739998 1.0566e-07 au
i 24.40083448444312 9.0281e-06 deg
node 147.402870691441 9.0135e-06 deg
peri 17.51192231268384 0.00017093 deg
M 80.78980386003701 0.00015993 deg
tp 2458846.310392810700
(2019-Dec-28.81039281)
0.00030555 TDB
period 687.070099641687
1.88
3.9581e-06
1.084e-08
d
yr
n .5239640033640572 3.0185e-09 deg/d
Q 1.576566769619477 6.0549e-09 au
  Orbit Determination Parameters
   # obs. used (total)      216  
   data-arc span      6334 days (17.34 yr)  
   first obs. used      2001-02-01  
   last obs. used      2018-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5637  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:12:21  

Additional Information
 Earth MOID = .484697 au 
 Jupiter MOID = 3.41771 au 
 T_jup = 4.400 
[ 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 18.8   n/a MPO434394  
rotation period rot_per 3.97 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Borisov, G.; Christou, A.; Unda-Sanzana, E. (2016) Minor Planet Bull. 43, 216-217.]

385250 (2001 DH47)          Discovered 2001-Feb-20 by LINEAR at Socorro
Reference: Last Updated: 2014-02-19

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