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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1752895923620819 3.5768e-08  
a 3.155840590243313 2.4961e-08 au
q 2.602654579619851 1.1887e-07 au
i 22.76496590873973 4.3181e-06 deg
node 105.8439855858931 1.0693e-05 deg
peri 260.7849611430928 1.6176e-05 deg
M 25.97063159456651 1.2896e-05 deg
tp 2458852.776011710913
(2020-Jan-04.27601171)
7.2966e-05 TDB
period 2047.722081398954
5.61
2.4295e-05
6.652e-08
d
yr
n .1758051071823461 2.0858e-09 deg/d
Q 3.709026600866776 2.9337e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1584  
   data-arc span      7720 days (21.14 yr)  
   first obs. used      1998-12-16  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49613  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:23:59  

Additional Information
 Earth MOID = 1.712 au 
 Jupiter MOID = 2.00955 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-August); 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2091-Aug-29 04:23 00:02 Inter 0.0287340152791019 0.0287282052428731 0.0287398426840585 11.8648230640765 11.8648230211366 2485022.682822488 2.00871403267159 1166.2118600464 48.1332027476566 75.7862916098981 86564.2466596874 T 32 CATAB v2.0f-lin.ifort 2020-Feb-23 08:24:12 2020-Feb-23 08:24

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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