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56548 (2000 HZ74)
Classification: Main-belt Asteroid          SPK-ID: 2056548
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04456213270262646 4.016e-08  
a 2.299142642467593 1.0567e-08 au
q 2.196687942931685 9.3823e-08 au
i 6.36076597855194 5.5561e-06 deg
node 168.0274478583621 3.597e-05 deg
peri 254.1054779112866 7.2623e-05 deg
M 69.35116193715859 6.1989e-05 deg
tp 2458755.199438367077
(2019-Sep-28.69943837)
0.00021916 TDB
period 1273.348560012177
3.49
8.7785e-06
2.403e-08
d
yr
n .282719132298353 1.9491e-09 deg/d
Q 2.401597342003501 1.1038e-08 au
  Orbit Determination Parameters
   # obs. used (total)      758  
   data-arc span      7733 days (21.17 yr)  
   first obs. used      1998-12-16  
   last obs. used      2020-02-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53961  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:58:50  

Additional Information
 Earth MOID = 1.21803 au 
 Jupiter MOID = 2.70889 au 
 T_jup = 3.583 
[ 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 15.7   n/a MPO449365  
diameter diameter 4.102 km 0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.35 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:
[Polishook, D.; Ofek, O.E.; Waszczak, A.; Kulkarni, S.R. (2012) ACM 2012, #6347. Supplemental material.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.046   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56548 (2000 HZ74)          Discovered 2000-Apr-27 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 HZ74 = 2001 QF236 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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