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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 | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1752189569658798 3.5811e-08  
a 3.155881062006759 2.5599e-08 au
q 2.602910874013562 1.189e-07 au
i 22.76417875889561 4.3789e-06 deg
node 105.8436109109099 1.0717e-05 deg
peri 260.6912120191483 1.6322e-05 deg
M 315.7145384895838 1.3071e-05 deg
tp 2458852.405727453932
(2020-Jan-03.90572745)
7.5054e-05 TDB
period 2047.761472737181
5.61
2.4916e-05
6.822e-08
d
yr
n .1758017253439186 2.139e-09 deg/d
Q 3.708851249999956 3.0084e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1508  
   data-arc span      7624 days (20.87 yr)  
   first obs. used      1998-12-16  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50862  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:26:06  

Additional Information
 Earth MOID = 1.71131 au 
 Jupiter MOID = 2.00595 au 
 T_jup = 3.063 
[ 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 12.8   n/a MPO333221  
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. 2019-January); 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

[ show close-approach data ]
Alternate Designations
 2001 HU15 = 1999 CJ17 = 2000 EU173 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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