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JPL Small-Body Database Browser
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35591 (1998 HB91)
Classification: Main-belt Asteroid          SPK-ID: 2035591
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1079723569075948 4.1554e-08  
a 2.807134450795248 1.9193e-08 au
q 2.504041527986379 1.1395e-07 au
i 4.775142184794809 4.8982e-06 deg
node 145.8771841338982 5.5655e-05 deg
peri 101.4186733061792 6.0143e-05 deg
M 142.2030317129222 2.3356e-05 deg
tp 2457921.922269666968
(2017-Jun-17.42226967)
0.00011069 TDB
period 1717.881679295399
4.70
1.7618e-05
4.824e-08
d
yr
n .2095604163772539 2.1492e-09 deg/d
Q 3.110227373604118 2.1265e-08 au
  Orbit Determination Parameters
   # obs. used (total)      826  
   data-arc span      9730 days (26.64 yr)  
   first obs. used      1993-04-16  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5653  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 02:49:45  

Additional Information
 Earth MOID = 1.49568 au 
 Jupiter MOID = 1.92324 au 
 T_jup = 3.309 
[ 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 15.1   n/a MPO502416  
diameter diameter 6.376 km 0.297 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35591 (1998 HB91)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HB91 = 1995 WG33 = 2000 WA46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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