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58851 (1998 HY77)
Classification: Main-belt Asteroid          SPK-ID: 2058851
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1603001051243821 4.1547e-08  
a 3.036427779151123 1.9145e-08 au
q 2.549688086950604 1.2058e-07 au
i 2.178695850480816 4.5299e-06 deg
node 323.8035145369264 0.00012744 deg
peri 148.8628896179527 0.00012855 deg
M 150.4341884474111 1.8191e-05 deg
tp 2458192.917484846179
(2018-Mar-15.41748485)
9.3838e-05 TDB
period 1932.603941005132
5.29
1.8278e-05
5.004e-08
d
yr
n .1862771736938334 1.7617e-09 deg/d
Q 3.523167471351642 2.2213e-08 au
  Orbit Determination Parameters
   # obs. used (total)      770  
   data-arc span      10011 days (27.41 yr)  
   first obs. used      1992-02-05  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5634  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:38:01  

Additional Information
 Earth MOID = 1.56655 au 
 Jupiter MOID = 1.58799 au 
 T_jup = 3.221 
[ 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 14.8   n/a MPO432142  
diameter diameter 5.693 km 0.924 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58851 (1998 HY77)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HY77 = 2001 VZ8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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