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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1076429823876142 3.5491e-08  
a 2.807574164005464 1.5193e-08 au
q 2.505358507717503 1.0219e-07 au
i 4.775803253438481 4.5824e-06 deg
node 145.8616633931389 4.5528e-05 deg
peri 101.5961569976854 5.0341e-05 deg
M 267.7093967424638 2.2519e-05 deg
tp 2459641.004416261693
(2022-Mar-02.50441626)
0.0001083 TDB
period 1718.285331949655
4.70
1.3948e-05
3.819e-08
d
yr
n .2095111872901374 1.7006e-09 deg/d
Q 3.109789820293425 1.6829e-08 au
  Orbit Determination Parameters
   # obs. used (total)      986  
   data-arc span      10195 days (27.91 yr)  
   first obs. used      1993-04-16  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5421  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 08:08:06  

Additional Information
 Earth MOID = 1.49563 au 
 Jupiter MOID = 1.92253 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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