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118625 (2000 HF28)
Classification: Main-belt Asteroid          SPK-ID: 2118625
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2188524702761628 4.6189e-08  
a 2.262871530013912 9.7993e-09 au
q 1.767636505752767 1.0545e-07 au
i 25.65548695401565 5.8843e-06 deg
node 44.47268924616316 9.9192e-06 deg
peri 138.7577877219646 1.6048e-05 deg
M 55.52902499674195 1.1228e-05 deg
tp 2459008.718892709696
(2020-Jun-08.21889271)
3.8749e-05 TDB
period 1243.335330100976
3.40
8.0763e-06
2.211e-08
d
yr
n .2895437709236197 1.8808e-09 deg/d
Q 2.758106554275057 1.1944e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1087  
   data-arc span      7927 days (21.70 yr)  
   first obs. used      1998-10-20  
   last obs. used      2020-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48959  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:36:59  

Additional Information
 Earth MOID = .808711 au 
 Jupiter MOID = 2.30037 au 
 T_jup = 3.460 
[ 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 15.17   n/a E2021B55  
diameter diameter 2.567 km 0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.733 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.]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.342   0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118625 (2000 HF28)          Discovered 2000-Apr-28 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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