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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1295561672876594 4.2866e-08  
a 2.419985586068845 9.305e-09 au
q 2.106461528646385 1.0446e-07 au
i 4.146690523649548 4.4732e-06 deg
node 107.1238623851194 5.5074e-05 deg
peri 179.7859650257207 5.721e-05 deg
M 184.1072505299836 1.5168e-05 deg
tp 2459272.335630304143
(2021-Feb-26.83563030)
5.8001e-05 TDB
period 1375.047167312148
3.76
7.9307e-06
2.171e-08
d
yr
n .2618092008463276 1.51e-09 deg/d
Q 2.733509643491304 1.0511e-08 au
  Orbit Determination Parameters
   # obs. used (total)      855  
   data-arc span      9960 days (27.27 yr)  
   first obs. used      1991-10-02  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53141  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:35:54  

Additional Information
 Earth MOID = 1.08943 au 
 Jupiter MOID = 2.40509 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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