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37960 (1998 HP64)
Classification: Main-belt Asteroid          SPK-ID: 2037960
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1915791426391207 4.8168e-08  
a 2.61260927635688 1.2291e-08 au
q 2.112087831141416 1.2456e-07 au
i 3.443600030815698 6.7189e-06 deg
node 202.9694374558438 6.1469e-05 deg
peri 39.26763451901438 6.355e-05 deg
M 63.18904427463391 1.3815e-05 deg
tp 2458729.761879496557
(2019-Sep-03.26187950)
5.9236e-05 TDB
period 1542.4465506652
4.22
1.0885e-05
2.98e-08
d
yr
n .2333954455956645 1.6471e-09 deg/d
Q 3.113130721572345 1.4646e-08 au
  Orbit Determination Parameters
   # obs. used (total)      673  
   data-arc span      9127 days (24.99 yr)  
   first obs. used      1995-09-26  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54544  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 17:33:27  

Additional Information
 Earth MOID = 1.10079 au 
 Jupiter MOID = 1.90458 au 
 T_jup = 3.380 
[ 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 15.6   n/a MPO474235  
diameter diameter 4.038 km 0.250 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.082   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37960 (1998 HP64)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20020328/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
1941-Aug-01 15:07 00:01 Jupiter 1.92841708270136 1.92841644837707 1.92841771702609 1.91680394344047 1.6720267141908 2430208.130171530 1.43328476926937 91.6145964194143 37.0067600231225 -80.6613623019364 2291296.19065868 T 18 CATAB v2.0f-lin.ifort 2020-Oct-22 17:33:37 2020-Oct-22 17:33
2000-Jul-18 16:44 < 00:01 Jupiter 1.8889714985159 1.8889710676122 1.88897192941938 1.87746336621461 1.62112940361378 2451744.197312613 0.341560778738304 68.93749083233 34.9226023820284 -50.5368748557122 1906903.65084159 T 18 CATAB v2.0f-lin.ifort 2020-Oct-22 17:33:37 2020-Oct-22 17:33
2059-Jul-05 06:37 < 00:01 Jupiter 1.89585976103904 1.89585921677737 1.89586030530038 1.96830725863876 1.72646566890694 2473279.775976464 0.879849847536969 61.0600458320991 43.7745436363034 -77.5639898237313 1413129.62383206 T 18 CATAB v2.0f-lin.ifort 2020-Oct-22 17:33:37 2020-Oct-22 17:33
2118-Jun-20 18:26 00:02 Jupiter 1.94731212452336 1.94731114627586 1.94731310277153 2.19703454590306 1.98922613861019 2494814.268145053 2.00913002676077 116.172903095009 25.449592031168 -88.5973809068413 1460535.07352412 T 18 CATAB v2.0f-lin.ifort 2020-Oct-22 17:33:37 2020-Oct-22 17:33
2131-Oct-04 17:10 00:02 Jupiter 1.99394527711749 1.99394425897522 1.99394629525976 2.00581288007751 1.78148554984534 2499668.215067984 2.26921558251615 88.0174703850473 28.889308154451 86.2161038339512 2131201.61408564 T 18 CATAB v2.0f-lin.ifort 2020-Oct-22 17:33:37 2020-Oct-22 17:33
2190-Sep-20 00:44 00:03 Jupiter 1.92228718614819 1.92228629102849 1.92228808127073 1.8710450088986 1.61850057326034 2521203.530721566 3.37017183588365 152.621016559506 47.9726710306792 83.6268964129312 2076202.09750508 T 18 CATAB v2.0f-lin.ifort 2020-Oct-22 17:33:37 2020-Oct-22 17:33

Alternate Designations
 1998 HP64 = 1999 VM15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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