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65975 (1998 HV46)
Classification: Main-belt Asteroid          SPK-ID: 2065975
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1178971977693282 4.8491e-08  
a 2.64019936741082 1.6619e-08 au
q 2.328927260440731 1.2996e-07 au
i 10.562861654927 5.9897e-06 deg
node 190.4752010278355 2.4646e-05 deg
peri 31.08564663055382 3.3907e-05 deg
M 44.15395450333305 2.54e-05 deg
tp 2458808.314500901465
(2019-Nov-20.81450090)
0.00010976 TDB
period 1566.944126607051
4.29
1.4795e-05
4.051e-08
d
yr
n .2297465454492741 2.1693e-09 deg/d
Q 2.951471474380908 1.8579e-08 au
  Orbit Determination Parameters
   # obs. used (total)      669  
   data-arc span      7708 days (21.10 yr)  
   first obs. used      1998-03-22  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62541  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:49:06  

Additional Information
 Earth MOID = 1.32872 au 
 Jupiter MOID = 2.02573 au 
 T_jup = 3.362 
[ 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 15.3   n/a MPO436241  
diameter diameter 2.944 km 0.674 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 19.762 h n/a LCDB (Rev. 2019-August); 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 0.186   0.102 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65975 (1998 HV46)          Discovered 1998-Apr-20 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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