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72857 (2001 HL46)
Classification: Main-belt Asteroid          SPK-ID: 2072857
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07146248273962665 4.0778e-08  
a 3.122563028023918 2.3781e-08 au
q 2.899416921530363 1.2512e-07 au
i 3.196896703284884 4.3804e-06 deg
node 42.71374474080847 7.7735e-05 deg
peri 165.6580210611804 8.348e-05 deg
M 228.644542232596 3.2221e-05 deg
tp 2460131.878398102330
(2023-Jul-06.37839810)
0.00018352 TDB
period 2015.418527836257
5.52
2.3024e-05
6.304e-08
d
yr
n .1786229485478107 2.0405e-09 deg/d
Q 3.345709134517474 2.548e-08 au
  Orbit Determination Parameters
   # obs. used (total)      578  
   data-arc span      10299 days (28.20 yr)  
   first obs. used      1992-09-26  
   last obs. used      2020-12-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57318  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:04:26  

Additional Information
 Earth MOID = 1.895 au 
 Jupiter MOID = 1.61132 au 
 T_jup = 3.209 
[ 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 15.25   n/a MPCxxxxx  
diameter diameter 6.782 km 0.464 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.032   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72857 (2001 HL46)          Discovered 2001-Apr-18 by Spacewatch at Kitt Peak
Reference: 20031109/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
1904-May-05 10:52 00:04 Jupiter 1.64916444351356 1.64916401150937 1.6491648755201 2.35117312787434 2.12150911977881 2416605.952712791 4.36091041755653 231.980415157929 9.5578972187291 -88.6938004795071 2617181.79772716 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 13:04:28 2021-Apr-13 13:04
1914-Jul-28 03:29 00:04 Jupiter 1.89635244383969 1.89635077019673 1.89635411748394 3.14574546949278 3.00039946580752 2420341.644893836 3.83401568158621 121.39076468892 24.5501175393447 -60.2788073923823 2345203.90217959 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 13:04:28 2021-Apr-13 13:04
1976-Dec-25 05:54 00:02 Jupiter 1.76353271124046 1.76353193308311 1.7635334893976 2.64943652532822 2.46148663484673 2443137.745944679 1.55388034269223 47.1066402472924 22.6781843524636 -80.4208682172108 1997613.12614174 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 13:04:28 2021-Apr-13 13:04
1987-Mar-13 22:27 00:01 Jupiter 1.66614644785311 1.66614603848771 1.66614685721851 2.40804832949635 2.1867675656329 2446868.435739220 1.15595655025104 82.2660048652673 9.03931796657445 -87.5623729522329 2674423.92917795 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 13:04:28 2021-Apr-13 13:04
1997-Jun-08 05:50 < 00:01 Jupiter 1.95631351880063 1.95631303858272 1.95631399901842 3.38120152330117 3.25062860863754 2450607.742910310 0.725334380885858 40.9193220884424 18.2834984913727 -86.2823813990878 3325789.94388582 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 13:04:28 2021-Apr-13 13:04
2059-Nov-02 02:14 00:02 Jupiter 1.71921811507138 1.71921765895837 1.7192185711843 2.50464645554358 2.29954257243607 2473399.593203186 1.65211931538483 50.436374265374 12.0892528555759 -85.484891078964 2922150.22695938 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 13:04:28 2021-Apr-13 13:04
2070-Jan-20 11:22 00:02 Jupiter 1.68558319522673 1.68558252065617 1.68558386979929 2.48371994816772 2.27240943991902 2477131.973955416 2.07457714336548 127.153060548002 9.73064330841297 -83.6322165455153 2740023.21722355 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 13:04:28 2021-Apr-13 13:04
2142-Sep-11 20:20 00:05 Jupiter 1.69097791019411 1.69097691151231 1.6909789088758 2.41796597061523 2.20107828697547 2503663.347166108 4.86778408190649 71.3701724606772 26.1883917547415 75.6465572724948 2020937.77754896 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 13:04:28 2021-Apr-13 13:04
2152-Nov-29 16:25 00:05 Jupiter 1.72117134296175 1.72116975853212 1.72117292740624 2.61170259337093 2.4159368410362 2507395.184256608 5.26636207203474 286.55114138155 11.5300430404778 -80.9635566492126 2839957.66283051 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 13:04:28 2021-Apr-13 13:04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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