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71728 (2000 HE64)
Classification: Main-belt Asteroid          SPK-ID: 2071728
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2477124077724229 4.0923e-08  
a 3.058122724363897 2.1919e-08 au
q 2.300587781048155 1.263e-07 au
i 6.376519754067302 4.679e-06 deg
node 285.2902315928294 6.0051e-05 deg
peri 192.7542452182973 6.1651e-05 deg
M 258.596385181675 1.5092e-05 deg
tp 2459150.714115626552
(2020-Oct-28.21411563)
8.525e-05 TDB
period 1953.353260437845
5.35
2.1001e-05
5.75e-08
d
yr
n .1842984611597115 1.9815e-09 deg/d
Q 3.81565766767964 2.7349e-08 au
  Orbit Determination Parameters
   # obs. used (total)      926  
   data-arc span      15215 days (41.66 yr)  
   first obs. used      1978-03-05  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57536  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 08:32:06  

Additional Information
 Earth MOID = 1.31761 au 
 Jupiter MOID = 1.31231 au 
 T_jup = 3.178 
[ 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 14.2   n/a MPO453125  
diameter diameter 4.676 km 0.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.140   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71728 (2000 HE64)          Discovered 2000-Apr-26 by LONEOS at Anderson Mesa
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
1937-Jul-27 21:40 00:03 Jupiter 1.34533187501129 1.34533102645237 1.34533272378379 1.76738078143226 1.36544223480542 2428742.402861026 2.50523824104902 995.06210101123 109.851013328483 89.9745963711918 1711821.46465649 T 22 CATAB v2.0f-lin.ifort 2019-Nov-07 08:32:23 2019-Nov-07 08:32
1986-Dec-19 21:36 00:01 Jupiter 1.78572185382553 1.78572038647309 1.78572332118274 1.70314904775717 1.39715979105151 2446784.400233018 1.34309129156853 270.661420709271 85.5265775668757 62.6876426414742 1192359.61689599 T 22 CATAB v2.0f-lin.ifort 2019-Nov-07 08:32:23 2019-Nov-07 08:32
1996-May-28 21:52 < 00:01 Jupiter 1.49704343986231 1.49704262690088 1.49704425284195 1.81901080066765 1.47553601170658 2450232.411225664 0.796328090525301 449.46763186275 44.2638462807621 80.3430217271629 1672633.30608838 T 22 CATAB v2.0f-lin.ifort 2019-Nov-07 08:32:23 2019-Nov-07 08:32
2045-Aug-08 09:24 00:01 Jupiter 1.51276371220541 1.51276269235896 1.51276473223743 1.23231845518191 0.631485748816238 2468200.891497143 1.25397410979428 2441.47929300269 761.767690560878 -56.5264423824891 1185120.82098316 T 22 CATAB v2.0f-lin.ifort 2019-Nov-07 08:32:23 2019-Nov-07 08:32
2055-Feb-14 03:48 00:02 Jupiter 1.77865645323007 1.77865497422366 1.77865793223758 2.03636882963105 1.78727961523596 2471677.658398357 1.5489592724518 167.560076459741 25.712332163499 70.0937385409705 1317713.80213644 T 22 CATAB v2.0f-lin.ifort 2019-Nov-07 08:32:23 2019-Nov-07 08:32
2104-May-27 04:37 00:03 Jupiter 1.35370872955289 1.35370765903974 1.35370980018994 1.46076343345067 0.939371875317228 2489676.692405991 3.05746047915591 1471.4042955875 125.545308087349 -69.8393183433353 2496540.47051081 T 22 CATAB v2.0f-lin.ifort 2019-Nov-07 08:32:23 2019-Nov-07 08:32
2163-May-07 20:38 00:06 Jupiter 1.32013510304087 1.32013441688708 1.32013578959943 1.57788439346318 1.09840022358272 2511206.359729266 5.55618252224958 1873.0812622321 168.35017878142 -81.2599950595527 2107027.95394764 T 22 CATAB v2.0f-lin.ifort 2019-Nov-07 08:32:23 2019-Nov-07 08:32

Alternate Designations
 2000 HE64 = 1978 EK7 = 1998 XT64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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