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249846 (2001 PU46)
Classification: Main-belt Asteroid          SPK-ID: 2249846
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1813399124858348 7.1617e-08  
a 2.720052682115433 2.0497e-08 au
q 2.22679856678376 1.9772e-07 au
i 11.96550732552614 9.0101e-06 deg
node 30.82684582690577 3.0862e-05 deg
peri 289.8299805904007 3.7976e-05 deg
M 74.97077733516007 1.952e-05 deg
tp 2458659.264730084197
(2019-Jun-24.76473008)
8.9364e-05 TDB
period 1638.567739807558
4.49
1.8522e-05
5.071e-08
d
yr
n .2197040691416763 2.4834e-09 deg/d
Q 3.213306797447106 2.4215e-08 au
  Orbit Determination Parameters
   # obs. used (total)      226  
   data-arc span      6680 days (18.29 yr)  
   first obs. used      2001-08-13  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59502  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:14:49  

Additional Information
 Earth MOID = 1.24902 au 
 Jupiter MOID = 2.25581 au 
 T_jup = 3.304 
[ 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 16.4   n/a MPO494361  
diameter diameter 3.817 km 0.146 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.037   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249846 (2001 PU46)          Discovered 2001-Aug-13 by NEAT at Haleakala
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 2001 PU46 = 2006 VD154 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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