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46244 (2001 HU15)
Classification: Main-belt Asteroid          SPK-ID: 2046244
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1754672102440191 1.8933e-08  
a 3.15676531600182 2.1568e-08 au
q 2.602856512607901 6.1855e-08 au
i 22.7643376966105 5.5383e-07 deg
node 105.8451463971783 9.8676e-07 deg
peri 260.8427727235456 3.8757e-06 deg
M 61.06138755413604 6.0012e-06 deg
tp 2458853.023019097837
(2020-Jan-04.52301910)
3.1001e-05 TDB
period 2048.622183927193
5.61
2.0995e-05
5.748e-08
d
yr
n .1757278637439544 1.801e-09 deg/d
Q 3.710674119395739 2.5353e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1898  
   data-arc span      8133 days (22.27 yr)  
   first obs. used      1998-12-16  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47224  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:38:02  

Additional Information
 Earth MOID = 1.71082 au 
 Jupiter MOID = 2.00899 au 
 T_jup = 3.062 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.86   n/a MPCxxxxx  
diameter diameter 12.676 km 4.706 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.013 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.100   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46244 (2001 HU15)          Discovered 2001-Apr-24 by Yeung, W. K. Y. at Desert Beaver
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 HU15 = 1999 CJ17 = 2000 EU173 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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