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JPL Small-Body Database Browser
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74049 (1998 HA123)
Classification: Main-belt Asteroid          SPK-ID: 2074049
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1539248531422902 3.8387e-08  
a 2.237982248305521 7.7275e-09 au
q 1.893501159400041 8.5212e-08 au
i 7.292871759297442 4.407e-06 deg
node 77.59658324954918 2.961e-05 deg
peri 182.9667386170235 3.2125e-05 deg
M 67.71119822426537 1.2842e-05 deg
tp 2458370.492826350925
(2018-Sep-08.99282635)
4.3241e-05 TDB
period 1222.878706701035
3.35
6.3337e-06
1.734e-08
d
yr
n .2943873321428367 1.5247e-09 deg/d
Q 2.582463337211001 8.9169e-09 au
  Orbit Determination Parameters
   # obs. used (total)      875  
   data-arc span      7889 days (21.60 yr)  
   first obs. used      1998-04-23  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53627  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 06:44:24  

Additional Information
 Earth MOID = .877831 au 
 Jupiter MOID = 2.47553 au 
 T_jup = 3.611 
[ 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 15.7   n/a MPO337816  

74049 (1998 HA123)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HA123 = 2005 PJ23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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