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295368 (2008 HW51)
Classification: Main-belt Asteroid          SPK-ID: 2295368
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1900515049159085 2.2273e-07  
a 2.984662098343612 4.8716e-08 au
q 2.417422574887935 6.9661e-07 au
i 8.604966221276422 8.2426e-06 deg
node 219.9465920980497 6.1999e-05 deg
peri 105.9053527367929 0.00010681 deg
M 51.76192961873605 5.6447e-05 deg
tp 2458729.699700767750
(2019-Sep-03.19970077)
0.00030032 TDB
period 1883.394000990305
5.16
4.6112e-05
1.262e-07
d
yr
n .191144285163226 4.6798e-09 deg/d
Q 3.551901621799288 5.7975e-08 au
  Orbit Determination Parameters
   # obs. used (total)      103  
   data-arc span      7264 days (19.89 yr)  
   first obs. used      1999-10-03  
   last obs. used      2019-08-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57598  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:43:00  

Additional Information
 Earth MOID = 1.42383 au 
 Jupiter MOID = 1.91633 au 
 T_jup = 3.214 
[ 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 16.9   n/a MPO446423  

295368 (2008 HW51)          Discovered 2008-Apr-29 by Spacewatch at Kitt Peak
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ 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
1908-Dec-12 18:28 00:08 Jupiter 1.97713756648176 1.97713593028416 1.97713920267543 1.80926478906602 1.55454884148585 2418288.269493803 8.32745048668265 321.060512871023 113.567594723946 71.0020511379891 571822.831114441 T 9 CATAB v2.0f-lin.ifort 2019-Sep-24 05:43:02 2019-Sep-24 05:43
1954-Apr-04 06:11 00:04 Jupiter 1.94302863179984 1.9430270404279 1.94303022317156 3.09146112563426 2.947078876498 2434836.757846901 3.82750926115521 172.683456348103 74.4954745028348 82.3830489528675 1053891.45290724 T 9 CATAB v2.0f-lin.ifort 2019-Sep-24 05:43:02 2019-Sep-24 05:43
1990-Nov-18 11:31 00:01 Jupiter 1.89952637283963 1.89952539450347 1.89952735117526 1.79095887761806 1.52174529447093 2448213.979839859 1.24410001376349 205.191302670134 92.4786639337921 -63.8348540553911 1106757.6277405 T 9 CATAB v2.0f-lin.ifort 2019-Sep-24 05:43:02 2019-Sep-24 05:43
2027-Jul-20 00:07 00:03 Jupiter 1.96374610412893 1.96374329964589 1.96374890860303 1.80183268872435 1.54400166163308 2461606.505192114 2.82871050097368 309.686173022563 117.479354493184 44.8089476354039 461422.679094524 T 9 CATAB v2.0f-lin.ifort 2019-Sep-24 05:43:02 2019-Sep-24 05:43
2072-Nov-07 15:13 00:07 Jupiter 1.96756696415639 1.96756356106582 1.96757036726765 3.16068905314218 3.02141864050594 2478154.133806889 6.64842148485515 406.817635564511 48.2061930099955 -78.5215452421067 822400.783447252 T 9 CATAB v2.0f-lin.ifort 2019-Sep-24 05:43:02 2019-Sep-24 05:43
2109-Jun-25 12:57 00:10 Jupiter 1.91046135250883 1.91046040444878 1.9104623005728 1.80442241273074 1.53922703186923 2491532.039515139 10.4368425083325 752.219084429648 81.6747360475307 -58.9463961005448 1293699.0049323 T 9 CATAB v2.0f-lin.ifort 2019-Sep-24 05:43:02 2019-Sep-24 05:43
2146-Feb-24 05:01 00:14 Jupiter 1.95301818050357 1.95301422670921 1.95302213432781 1.80815831110963 1.54985095491476 2504924.708995195 13.532699039278 832.93676711529 119.916030982848 53.5768163778389 546449.709647831 T 9 CATAB v2.0f-lin.ifort 2019-Sep-24 05:43:02 2019-Sep-24 05:43
2191-Jun-15 23:47 00:17 Jupiter 1.99263182200077 1.99262608437603 1.99263755972506 3.23069626290788 3.09632746690206 2521472.491032099 16.8791245996693 809.681860363186 49.7844494122004 -81.7949624338658 827269.884180829 T 9 CATAB v2.0f-lin.ifort 2019-Sep-24 05:43:02 2019-Sep-24 05:43

Alternate Designations
 2008 HW51 = 1999 TG301 = 2004 TZ146 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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