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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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1079723654753027 4.2334e-08  
a 2.80713444380754 1.9886e-08 au
q 2.504041497702441 1.167e-07 au
i 4.775142421388765 5.0423e-06 deg
node 145.8771720724733 5.6798e-05 deg
peri 101.4186907160234 6.1441e-05 deg
M 142.203028738997 2.3705e-05 deg
tp 2457921.922286391964
(2017-Jun-17.42228639)
0.00011254 TDB
period 1717.881672880998
4.70
1.8255e-05
4.998e-08
d
yr
n .2095604171597318 2.2268e-09 deg/d
Q 3.110227389912638 2.2033e-08 au
  Orbit Determination Parameters
   # obs. used (total)      756  
   data-arc span      9285 days (25.42 yr)  
   first obs. used      1993-04-16  
   last obs. used      2018-09-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56454  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 19:15:49  

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 15.0   n/a MPO417057  
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2001-Jan-02 18:24 < 00:01 Jupiter 1.95587703036218 1.95587659002817 1.95587747069618 2.49531888573205 2.31527227289389 2451912.266937482 0.443055411178429 48.5971764752493 6.99030438276358 81.40213078625 2765645.19295461 T 20 CATAB v2.0e-lin.ifort 2018-Oct-03 19:15:53 2018-Dec-17 16:22
2024-May-04 23:21 < 00:01 Jupiter 1.92668607340685 1.92668567728062 1.92668646953296 2.46631216896729 2.28110553112198 2460435.472739293 0.388022109967662 49.3867706069075 4.4520339561924 82.1582909964182 2814560.44639528 T 20 CATAB v2.0e-lin.ifort 2018-Oct-03 19:15:53 2018-Dec-17 16:22
2047-Sep-05 15:58 00:01 Jupiter 1.91894352257418 1.91894309748201 1.91894394766623 2.55436896323555 2.37528943914328 2468959.165579760 1.10729206211423 70.69925712486 7.76036513820948 86.652229400821 2727571.7293621 T 20 CATAB v2.0e-lin.ifort 2018-Oct-03 19:15:53 2018-Dec-17 16:22
2071-Jan-07 17:16 00:02 Jupiter 1.93751360414641 1.93751302295558 1.93751418533823 2.76073279539236 2.59755767673325 2477484.219543371 1.87276326417624 113.943728981449 11.5622332962923 -87.5026339581218 2710622.76500894 T 20 CATAB v2.0e-lin.ifort 2018-Oct-03 19:15:53 2018-Dec-17 16:22
2094-May-07 10:42 00:03 Jupiter 1.99030784760894 1.9903069075595 1.990308787662 3.10144998050172 2.96105466706805 2486004.945981736 2.64609160093518 164.528353673111 14.8060107805198 -81.4133443470189 2793942.18618146 T 20 CATAB v2.0e-lin.ifort 2018-Oct-03 19:15:53 2018-Dec-17 16:22

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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