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JPL Small-Body Database Browser
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344077 (1998 HG8)
Classification: Mars-crossing Asteroid          SPK-ID: 2344077
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2636745070257112 8.2714e-08  
a 2.215662467515482 2.0604e-08 au
q 1.631448758657966 1.9081e-07 au
i 5.175417500122582 6.4534e-06 deg
node 154.6725271977733 5.0981e-05 deg
peri 156.147910164404 5.9739e-05 deg
M 51.65594333151603 1.7865e-05 deg
tp 2458427.649108215891
(2018-Nov-05.14910822)
6.0288e-05 TDB
period 1204.630426414345
3.30
1.6804e-05
4.601e-08
d
yr
n .2988468430700043 4.1687e-09 deg/d
Q 2.799876176372997 2.6037e-08 au
  Orbit Determination Parameters
   # obs. used (total)      166  
   data-arc span      7388 days (20.23 yr)  
   first obs. used      1998-04-21  
   last obs. used      2018-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49186  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:27:48  

Additional Information
 Earth MOID = .618137 au 
 Jupiter MOID = 2.49157 au 
 T_jup = 3.602 
[ 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 17.6   n/a MPO450302  

344077 (1998 HG8)          Discovered 1998-Apr-21 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 1998 HG8 = 2008 GJ96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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