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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1299274825471335 3.5742e-08  
a 2.419637724538006 8.7085e-09 au
q 2.105260286312709 8.9151e-08 au
i 4.146834749034034 3.8189e-06 deg
node 107.1251017964219 5.4469e-05 deg
peri 179.8809364895274 5.6559e-05 deg
M 341.1466346253483 1.5023e-05 deg
tp 2459272.496325324271
(2021-Feb-26.99632532)
5.7374e-05 TDB
period 1374.750693135405
3.76
7.4218e-06
2.032e-08
d
yr
n .2618656617506008 1.4137e-09 deg/d
Q 2.734015162763304 9.8399e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1000  
   data-arc span      10462 days (28.64 yr)  
   first obs. used      1991-10-02  
   last obs. used      2020-05-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50942  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:46:01  

Additional Information
 Earth MOID = 1.08693 au 
 Jupiter MOID = 2.40505 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 15.47   n/a E2021B10  
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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