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295331 (2008 HL3)
Classification: Main-belt Asteroid          SPK-ID: 2295331
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2052540992496046 5.1879e-08  
a 3.021979143481925 3.693e-08 au
q 2.401705536435451 1.5411e-07 au
i 6.162556489905122 6.5653e-06 deg
node 30.02697700477404 7.7511e-05 deg
peri 206.569012299745 8.1464e-05 deg
M 96.25391734728733 2.3327e-05 deg
tp 2458487.459637691098
(2019-Jan-03.95963769)
0.0001223 TDB
period 1918.826116601788
5.25
3.5173e-05
9.63e-08
d
yr
n .1876147071823029 3.4391e-09 deg/d
Q 3.642252750528399 4.451e-08 au
  Orbit Determination Parameters
   # obs. used (total)      228  
   data-arc span      6357 days (17.40 yr)  
   first obs. used      2002-02-12  
   last obs. used      2019-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49392  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:42:55  

Additional Information
 Earth MOID = 1.39222 au 
 Jupiter MOID = 1.38078 au 
 T_jup = 3.205 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457077.5 (2015-Feb-24.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .204146474580246 5.1859e-08  
q 2.407309245909502 1.5406e-07 au
tp 2456568.283021731380
(2013-Oct-02.78302173)
0.00012276 TDB
node 30.07646914941726 7.7426e-05 deg
peri 206.8963483477158 8.1415e-05 deg
i 6.164538793561821 6.5663e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      228  
   data-arc span      6357 days (17.40 yr)  
   first obs. used      2002-02-12  
   last obs. used      2019-07-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49392  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:42:55  

Additional Information
 Jupiter MOID = 1.38078 au 
 T_jup = 3.205 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.689383755789784E-15 -7.846090145830086E-15 -8.649993182442564E-13 2.129859571321258E-15 -2.341129410042234E-13 -1.219291474171913E-15
q -7.846090145830086E-15 2.373371624609724E-14 2.148004760908505E-12 2.574361286519876E-15 6.553456024460027E-13 4.236437659913681E-15
tp -8.649993182442564E-13 2.148004760908505E-12 1.506978073344777E-8 8.507920213371283E-11 3.185917739121543E-9 -2.038998885062691E-11
node 2.129859571321258E-15 2.574361286519876E-15 8.507920213371283E-11 5.994789076629786E-9 -5.940746851092643E-9 -1.237504352194072E-10
peri -2.341129410042234E-13 6.553456024460027E-13 3.185917739121543E-9 -5.940746851092643E-9 6.628369457856433E-9 1.18903195451893E-10
i -1.219291474171913E-15 4.236437659913681E-15 -2.038998885062691E-11 -1.237504352194072E-10 1.18903195451893E-10 4.311649207868413E-11

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 15.7   n/a MPO437320  

295331 (2008 HL3)          Discovered 2008-Apr-28 by La Sagra at La Sagra
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
1905-Oct-19 10:38 00:09 Jupiter 1.43557514455351 1.43557067784953 1.43557961179444 1.264856718481 0.647932320681046 2417137.942789092 9.15192196459245 2711.42061258638 1037.51488431395 -46.6096387803875 844133.438780232 T 12 CATAB v2.0f-lin.ifort 2019-Sep-24 05:42:57 2019-Sep-24 05:42
1953-Jan-14 12:13 00:04 Jupiter 1.38594198580726 1.38594049021209 1.38594348147522 1.30989179369608 0.702503121860303 2434392.009210290 4.37520399946007 1388.09949681429 571.356386454426 -24.9908729855868 871044.91401176 T 12 CATAB v2.0f-lin.ifort 2019-Sep-24 05:42:57 2019-Sep-24 05:42
2000-May-20 19:38 00:01 Jupiter 1.37230078920964 1.37230011747866 1.37230146095075 1.32686958326676 0.725346004645087 2451685.318116039 1.05728858310872 1031.95395883799 369.509564533089 -12.3449571198251 887461.722677157 T 12 CATAB v2.0f-lin.ifort 2019-Sep-24 05:42:57 2019-Sep-24 05:42
2047-Oct-14 08:40 00:02 Jupiter 1.37401099551848 1.37401037871267 1.37401161232914 1.32859670036144 0.729554406820255 2468997.860916276 2.10146710989108 1089.50440752423 350.88390101216 -11.500723752081 831145.63559149 T 12 CATAB v2.0f-lin.ifort 2019-Sep-24 05:42:57 2019-Sep-24 05:42
2095-Mar-13 22:30 00:06 Jupiter 1.37923313979218 1.37923243157932 1.37923384800181 1.32376165808104 0.723943043179218 2486315.437531090 5.9070558127368 1585.70473188999 370.041111180599 -12.4266689426565 664042.554058768 T 12 CATAB v2.0f-lin.ifort 2019-Sep-24 05:42:57 2019-Sep-24 05:42
2142-Aug-06 00:50 00:12 Jupiter 1.38409958264944 1.38409800835482 1.38410115691967 1.32792204367699 0.734468544498476 2503626.534459557 11.9583156935114 2622.80198678599 396.757977639632 -8.00119200294045 372382.10849965 T 12 CATAB v2.0f-lin.ifort 2019-Sep-24 05:42:57 2019-Sep-24 05:42
2189-Dec-09 10:48 00:22 Jupiter 1.39753134345574 1.39752595393696 1.39753673285035 1.36163936225799 0.801181712899111 2520918.949757059 22.2375926056395 3862.03656531059 517.662164767167 8.60472205380001 210389.265836953 T 12 CATAB v2.0f-lin.ifort 2019-Sep-24 05:42:57 2019-Sep-24 05:42
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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