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15626 (2000 HR50)
Classification: Outer Main-belt Asteroid          SPK-ID: 2015626
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1128343333954999 3.4462e-08  
a 3.954555326776762 2.76e-08 au
q 3.508345712604283 1.4146e-07 au
i 1.801298655745738 4.2637e-06 deg
node 137.9498491439782 0.00013994 deg
peri 288.1701072239848 0.00014157 deg
M 24.92158569430431 2.0286e-05 deg
tp 2459001.653440114326
(2020-Jun-01.15344011)
0.00016171 TDB
period 2872.399952271206
7.86
3.0071e-05
8.233e-08
d
yr
n .125330735963614 1.3121e-09 deg/d
Q 4.400764940949241 3.0714e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1955  
   data-arc span      10551 days (28.89 yr)  
   first obs. used      1992-04-24  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51631  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:04:19  

Additional Information
 Earth MOID = 2.52212 au 
 Jupiter MOID = .90267 au 
 T_jup = 3.047 
[ 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 12.49   n/a E2021B10  
diameter diameter 18.600 km 0.468 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  
rotation period rot_per 13.277 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 0.061   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[hildas] (http://adsabs.harvard.edu/abs/2012ApJ...744..197G)  

15626 (2000 HR50)          Discovered 2000-Apr-29 by LINEAR at Socorro
Reference: 20000621/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 HR50 = 1998 DQ37 = 1999 GA39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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