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JPL Small-Body Database Browser
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48864 (1998 HK43)
Classification: Mars-crossing Asteroid          SPK-ID: 2048864
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 .2861153102076818 3.2817e-08  
a 2.255181562434683 6.7586e-09 au
q 1.609939590124039 7.4205e-08 au
i 6.331830917152963 4.4285e-06 deg
node 182.5723464094209 3.1966e-05 deg
peri 78.89531370402612 3.2729e-05 deg
M 44.77291216520638 7.2383e-06 deg
tp 2458446.654946349651
(2018-Nov-24.15494635)
2.4548e-05 TDB
period 1237.002835771882
3.39
5.5608e-06
1.522e-08
d
yr
n .2910260102802127 1.3083e-09 deg/d
Q 2.900423534745327 8.6924e-09 au
  Orbit Determination Parameters
   # obs. used (total)      973  
   data-arc span      8829 days (24.17 yr)  
   first obs. used      1995-09-26  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55891  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:15:36  

Additional Information
 Earth MOID = .610093 au 
 Jupiter MOID = 2.20788 au 
 T_jup = 3.561 
[ 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 15.5   n/a MPO436124  
diameter diameter 2.339 km 0.391 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 4.0725 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2015) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.195   0.076 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

48864 (1998 HK43)          Discovered 1998-Apr-25 by Visnjan at Visnjan
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HK43 = 2001 CO41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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