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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0347240320162157 5.3298e-08  
a 1.523780496705263 4.6826e-09 au
q 1.470868693951985 7.9344e-08 au
i 24.40336424049275 4.7346e-06 deg
node 147.3995050137037 8.687e-06 deg
peri 17.6594411543911 0.00012839 deg
M 185.4251923569911 0.00012235 deg
tp 2459533.666337157472
(2021-Nov-15.16633716)
0.00023346 TDB
period 687.040031697798
1.88
3.1669e-06
8.67e-09
d
yr
n .5239869343717514 2.4153e-09 deg/d
Q 1.576692299458542 4.8452e-09 au
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      7141 days (19.55 yr)  
   first obs. used      2001-02-01  
   last obs. used      2020-08-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53029  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:04:42  

Additional Information
 Earth MOID = .484374 au 
 Jupiter MOID = 3.41675 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 18.86   n/a E2021B25  
rotation period rot_per 3.97 h n/a LCDB (Rev. 2020-October); 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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