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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03461143506543116 5.3595e-08  
a 1.523824959757488 4.6849e-09 au
q 1.471083191111759 7.9821e-08 au
i 24.40083428504772 4.9207e-06 deg
node 147.4028636718276 8.897e-06 deg
peri 17.51170538519247 0.00013344 deg
M 80.79001303646213 0.00012701 deg
tp 2458846.309992820927
(2019-Dec-28.80999282)
0.00024243 TDB
period 687.070103075911
1.88
3.1686e-06
8.675e-09
d
yr
n .5239640007450963 2.4164e-09 deg/d
Q 1.576566728403218 4.8471e-09 au
  Orbit Determination Parameters
   # obs. used (total)      317  
   data-arc span      7076 days (19.37 yr)  
   first obs. used      2001-02-01  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52575  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 06:50:12  

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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