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58357 (1995 HT1)
Classification: Main-belt Asteroid          SPK-ID: 2058357
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .168563637828932 7.219e-08  
a 2.638891947886628 1.3098e-08 au
q 2.194070721313382 1.9173e-07 au
i 14.32709037093985 5.3406e-06 deg
node 94.10876539665891 2.6359e-05 deg
peri 309.2322760432226 2.9134e-05 deg
M 37.15395400453234 1.1923e-05 deg
tp 2458438.902969046591
(2018-Nov-16.40296905)
5.1789e-05 TDB
period 1565.780351026177
4.29
1.1658e-05
3.192e-08
d
yr
n .2299173059388976 1.7118e-09 deg/d
Q 3.083713174459874 1.5306e-08 au
  Orbit Determination Parameters
   # obs. used (total)      827  
   data-arc span      8736 days (23.92 yr)  
   first obs. used      1995-04-24  
   last obs. used      2019-03-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51933  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:34:20  

Additional Information
 Earth MOID = 1.23325 au 
 Jupiter MOID = 2.33419 au 
 T_jup = 3.332 
[ 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 MPO351247  
diameter diameter 6.750 km 1.512 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.047   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

58357 (1995 HT1)          Discovered 1995-Apr-24 by Spacewatch at Kitt Peak
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 HT1 = 2001 XZ77 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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