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58855 (1998 HR92)
Classification: Main-belt Asteroid          SPK-ID: 2058855
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09447048454274072 4.4339e-08  
a 2.670118599181547 1.4013e-08 au
q 2.417871201330282 1.1203e-07 au
i 9.855520197563303 5.0903e-06 deg
node 212.6784809757239 2.1254e-05 deg
peri 314.0896415027695 3.375e-05 deg
M 65.22980715099365 2.5721e-05 deg
tp 2458711.739457832727
(2019-Aug-16.23945783)
0.00011333 TDB
period 1593.654798635023
4.36
1.2546e-05
3.435e-08
d
yr
n .2258958466465527 1.7783e-09 deg/d
Q 2.922365997032812 1.5337e-08 au
  Orbit Determination Parameters
   # obs. used (total)      931  
   data-arc span      10487 days (28.71 yr)  
   first obs. used      1991-11-01  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48275  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:49:17  

Additional Information
 Earth MOID = 1.43405 au 
 Jupiter MOID = 2.08432 au 
 T_jup = 3.354 
[ 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 14.9   n/a MPO319771  
diameter diameter 2.972 km 0.592 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.289   0.163 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

58855 (1998 HR92)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HR92 = 2000 UG51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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