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108261 (2001 HX51)
Classification: Main-belt Asteroid          SPK-ID: 2108261
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09090480486078116 4.5025e-08  
a 3.104900197051639 3.3137e-08 au
q 2.822649850526459 1.4606e-07 au
i 21.06110591867216 5.3477e-06 deg
node 208.886087696519 1.4681e-05 deg
peri 254.3583028930539 3.5328e-05 deg
M 282.3020464709703 3.4559e-05 deg
tp 2459431.797532614918
(2021-Aug-05.29753261)
0.00019502 TDB
period 1998.342358957487
5.47
3.1991e-05
8.759e-08
d
yr
n .1801493114462168 2.8839e-09 deg/d
Q 3.38715054357682 3.6149e-08 au
  Orbit Determination Parameters
   # obs. used (total)      477  
   data-arc span      7661 days (20.97 yr)  
   first obs. used      1998-11-10  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55065  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 12:43:44  

Additional Information
 Earth MOID = 1.91637 au 
 Jupiter MOID = 1.93144 au 
 T_jup = 3.112 
[ 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 14.6   n/a MPO453540  
diameter diameter 7.910 km 0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

108261 (2001 HX51)          Discovered 2001-Apr-23 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
1916-May-11 21:58 00:04 Jupiter 1.96790418254179 1.96790369305054 1.96790467203303 6.73140968942379 6.6671612591129 2420995.415349952 4.25140206245144 639.070933751448 24.0244350648111 -89.8321840553098 4116594.71525798 T 16 CATAB v2.0f-lin.ifort 2019-Nov-07 12:43:48 2019-Nov-07 12:44
1987-Jul-13 04:04 00:01 Jupiter 1.96084922615532 1.96084870449876 1.96084974781255 6.7259192272905 6.6613853729349 2446989.669666431 1.24850845349542 198.979009273711 24.4457069569513 87.9919478031002 4054636.09536739 T 16 CATAB v2.0f-lin.ifort 2019-Nov-07 12:43:48 2019-Nov-07 12:44
2058-Sep-12 15:41 00:02 Jupiter 1.95300293233765 1.95300236296232 1.95300350171763 6.72419962829685 6.65938851347079 2472984.153590392 1.77877295404412 265.057573321007 22.9558486719594 -86.3707036082898 4103183.00350326 T 16 CATAB v2.0f-lin.ifort 2019-Nov-07 12:43:48 2019-Nov-07 12:44
2129-Nov-14 02:57 00:05 Jupiter 1.94289477925181 1.94289423256845 1.94289532596245 6.72202871371771 6.65685751506015 2498978.622691322 4.77350848876106 717.317026403231 23.0217395589591 -88.7431649537718 4067022.09840935 T 16 CATAB v2.0f-lin.ifort 2019-Nov-07 12:43:48 2019-Nov-07 12:44

Alternate Designations
 2001 HX51 = 1998 VP19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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