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91128 (1998 HV133)
Classification: Main-belt Asteroid          SPK-ID: 2091128
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 .0436623567055375 4.6812e-08  
a 2.680668581622722 1.5166e-08 au
q 2.563624273802583 1.219e-07 au
i 5.46302416082184 3.7154e-06 deg
node 91.42383208772576 5.185e-05 deg
peri 95.45844275269575 7.1511e-05 deg
M 20.63175402432701 4.7025e-05 deg
tp 2458908.625124420186
(2020-Feb-29.12512442)
0.00020952 TDB
period 1603.109225213437
4.39
1.3604e-05
3.725e-08
d
yr
n .2245636132198477 1.9057e-09 deg/d
Q 2.79771288944286 1.5828e-08 au
  Orbit Determination Parameters
   # obs. used (total)      759  
   data-arc span      8044 days (22.02 yr)  
   first obs. used      1998-04-19  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56979  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:37:58  

Additional Information
 Earth MOID = 1.57095 au 
 Jupiter MOID = 2.17365 au 
 T_jup = 3.369 
[ 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 15.5   n/a MPO432449  
diameter diameter 4.829 km 0.190 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91128 (1998 HV133)          Discovered 1998-Apr-19 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1998 HV133 = 2002 CF165 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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