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20350 (1998 HV125)
Classification: Main-belt Asteroid          SPK-ID: 2020350
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3205091229265586 1.983e-08  
a 2.909914396850939 1.0477e-08 au
q 1.977260285724879 5.9149e-08 au
i 10.34704310799037 2.7734e-07 deg
node 106.6170512680448 4.6247e-06 deg
peri 319.5498091758386 6.9727e-06 deg
M 348.2064520311993 3.0065e-06 deg
tp 2459259.896482117792
(2021-Feb-14.39648212)
1.5321e-05 TDB
period 1813.087428734094
4.96
9.7915e-06
2.681e-08
d
yr
n .1985563378216977 1.0723e-09 deg/d
Q 3.842568507977 1.3834e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2182  
   data-arc span      21584 days (59.09 yr)  
   first obs. used      1962-02-04  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42017  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:17:37  

Additional Information
 Earth MOID = 1.00351 au 
 Jupiter MOID = 1.53765 au 
 T_jup = 3.182 
[ 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 13.01   n/a E2021B10  
diameter diameter 7.624 km 0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 90.234 h n/a LCDB (Rev. 2020-October); 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 0.278   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

20350 (1998 HV125)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HV125 = 1962 CJ = 2000 VG61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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