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46034 (2001 DR31)
Classification: Main-belt Asteroid          SPK-ID: 2046034
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1297762801476862 3.6262e-08  
a 2.419328710734251 8.7929e-09 au
q 2.105357230200662 9.0206e-08 au
i 4.14683932161851 3.9026e-06 deg
node 107.1250717602696 5.459e-05 deg
peri 179.8895061005452 5.6681e-05 deg
M 288.7491227891878 1.5037e-05 deg
tp 2459272.537303071707
(2021-Feb-27.03730307)
5.7437e-05 TDB
period 1374.487345833732
3.76
7.4932e-06
2.052e-08
d
yr
n .2619158343590514 1.4279e-09 deg/d
Q 2.73330019126784 9.934e-09 au
  Orbit Determination Parameters
   # obs. used (total)      982  
   data-arc span      10436 days (28.57 yr)  
   first obs. used      1991-10-02  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5073  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:30:42  

Additional Information
 Earth MOID = 1.08896 au 
 Jupiter MOID = 2.4066 au 
 T_jup = 3.499 
[ 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 15.5   n/a MPO351158  
diameter diameter 4.681 km 0.106 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46034 (2001 DR31)          Discovered 2001-Feb-17 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 DR31 = 1999 YR15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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