Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1076429834887109 3.7889e-08  
a 2.807574164703345 1.6673e-08 au
q 2.505358505248852 1.0682e-07 au
i 4.775803344936103 4.5948e-06 deg
node 145.861659162001 5.0396e-05 deg
peri 101.5961619867466 5.475e-05 deg
M 267.709395428184 2.2731e-05 deg
tp 2459641.004422699015
(2022-Mar-02.50442270)		 0.00010953 TDB
period 1718.285332590328
4.70		 1.5306e-05
4.191e-08		 d
yr
n .2095111872120198 1.8663e-09 deg/d
Q 3.109789824157839 1.8467e-08 au
   Orbit Determination Parameters
   # obs. used (total)      885  
   data-arc span      10138 days (27.76 yr)  
   first obs. used      1993-04-16  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55557  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 03:59:42  

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

[ 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 1.95587717257563 1.95587679242553 1.95587755272572 2.49531993017784 2.31527341216108 2451912.266857780 0.40616546831523 44.8029955337354 5.95373002644979 81.5264964933384 3171898.32968669 T 25 CATAB v2.0f-lin.ifort 2021-Feb-24 03:59:44 2021-Feb-24 03:59
2024-May-04 23:21 < 00:01 Jupiter 1.92668625822962 1.92668590631252 1.92668661014672 2.46631327342389 2.28110674373885 2460435.472754785 0.296613182716971 44.7041672263185 3.68378333615111 81.6878121639222 3178969.86497276 T 25 CATAB v2.0f-lin.ifort 2021-Feb-24 03:59:44 2021-Feb-24 03:59
2047-Sep-05 15:59 < 00:01 Jupiter 1.91894369361852 1.91894333169742 1.9189440555395 2.55436985504323 2.37529041475063 2468959.165706007 0.884508276258708 59.5975749354447 6.59905749297632 85.418335776801 3089990.5453649 T 25 CATAB v2.0f-lin.ifort 2021-Feb-24 03:59:44 2021-Feb-24 03:59
2071-Jan-07 17:16 00:02 Jupiter 1.93751370922075 1.93751325182086 1.93751416662097 2.76073325966653 2.59755817929969 2477484.219777501 1.51654247693604 93.689512261395 10.2284848720034 -88.5821945778165 3040213.3835842 T 25 CATAB v2.0f-lin.ifort 2021-Feb-24 03:59:44 2021-Feb-24 03:59
2094-May-07 10:43 00:02 Jupiter 1.99030783400355 1.99030710194067 1.99030856606869 3.10144988607549 2.96105456718222 2486004.946323645 2.15766714825495 135.013117533714 13.3278023404481 -82.2952715197163 3103220.50750477 T 25 CATAB v2.0f-lin.ifort 2021-Feb-24 03:59:44 2021-Feb-24 03:59

Alternate Designations
 1998 HB91 = 1995 WG33 = 2000 WA46 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-12 13:28 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin