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46234 (2001 HK9)
Classification: Main-belt Asteroid          SPK-ID: 2046234
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2272549502524429 3.8587e-08  
a 2.984244659330635 1.7625e-08 au
q 2.306060287733333 1.1194e-07 au
i 9.552988485771618 4.2474e-06 deg
node 207.4818846951338 2.3243e-05 deg
peri 122.9153042916082 2.4701e-05 deg
M 96.86174651667343 1.0791e-05 deg
tp 2458093.859551316802
(2017-Dec-06.35955132)
5.3986e-05 TDB
period 1882.998893629852
5.16
1.6682e-05
4.567e-08
d
yr
n .1911843927353717 1.6937e-09 deg/d
Q 3.662429030927937 2.1631e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1466  
   data-arc span      8074 days (22.11 yr)  
   first obs. used      1997-10-29  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53893  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:53:06  

Additional Information
 Earth MOID = 1.31192 au 
 Jupiter MOID = 1.8575 au 
 T_jup = 3.198 
[ 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 13.5   n/a MPO365793  
diameter diameter 6.220 km 1.277 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.870 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.240   0.122 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46234 (2001 HK9)          Discovered 2001-Apr-16 by LINEAR at Socorro
Reference: 20020822/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
1933-May-17 00:05 00:02 Jupiter 1.95612338896967 1.95612232794002 1.956124450005 2.44802143019063 2.26424101218634 2427209.503255107 2.22788123499709 205.506450825698 20.7981477464642 -88.3445231998317 1922896.17076233 T 27 CATAB v2.0f-lin.ifort 2019-Dec-14 03:53:23 2019-Dec-14 03:53
1978-Jun-30 04:31 00:01 Jupiter 1.91097993539677 1.91097941899407 1.91098045179937 1.96354698946317 1.72308938286307 2443689.688246422 1.11721308009164 89.3900359434099 49.6158389895381 -64.0974828664238 1464968.25957413 T 27 CATAB v2.0f-lin.ifort 2019-Dec-14 03:53:23 2019-Dec-14 03:53
2015-Feb-07 03:15 < 00:01 Jupiter 1.84628103206264 1.84628054708835 1.84628151703682 1.13692846274722 0.61242290597143 2457060.635256307 0.237643927836789 779.291870575309 204.424928130585 -19.4940585729856 2266008.65890495 T 27 CATAB v2.0f-lin.ifort 2019-Dec-14 03:53:23 2019-Dec-14 03:53
2051-Sep-01 11:11 00:01 Jupiter 1.88391618917721 1.88391574793185 1.88391663042245 2.0885186576643 1.86083194730177 2470415.966291128 1.07328421486124 93.4313249775708 38.8655738313998 81.7245349704187 1739090.10191353 T 27 CATAB v2.0f-lin.ifort 2019-Dec-14 03:53:23 2019-Dec-14 03:53
2096-Oct-10 11:22 00:02 Jupiter 1.98457356368404 1.98457275868372 1.98457436868403 2.60311207195941 2.4336363511585 2486891.973578394 2.35316415916273 83.6892393705631 20.4513539771042 81.1735100061087 952343.265295543 T 27 CATAB v2.0f-lin.ifort 2019-Dec-14 03:53:23 2019-Dec-14 03:53
2133-May-20 13:18 00:04 Jupiter 1.8711642309243 1.87116347231898 1.87116498952781 1.19670623354233 0.725784421677744 2500262.054354902 3.58124780009307 769.099473114194 146.733635428321 -8.49575850062908 1138901.72515207 T 27 CATAB v2.0f-lin.ifort 2019-Dec-14 03:53:23 2019-Dec-14 03:53
2169-Dec-19 18:23 00:04 Jupiter 1.84371586715498 1.84371537640104 1.84371635791123 1.80066335036997 1.52432522990789 2513624.265625595 4.39259722567726 355.532665555117 74.2770195097806 58.0800933359863 1316642.92169675 T 27 CATAB v2.0f-lin.ifort 2019-Dec-14 03:53:23 2019-Dec-14 03:53
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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