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74025 (1998 HA6)
Classification: Main-belt Asteroid          SPK-ID: 2074025
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1226303747517888 6.8611e-08  
a 2.238132573350598 8.1553e-09 au
q 1.963669537136429 1.5193e-07 au
i 7.359189078213066 5.7113e-06 deg
node 56.88911094391826 3.7145e-05 deg
peri 158.1820985124374 4.0327e-05 deg
M 212.5734319137816 1.753e-05 deg
tp 2459501.341599413623
(2021-Oct-13.84159941)
5.9922e-05 TDB
period 1223.00191973172
3.35
6.6846e-06
1.83e-08
d
yr
n .2943576736813056 1.6089e-09 deg/d
Q 2.512595609564768 9.1554e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1015  
   data-arc span      8467 days (23.18 yr)  
   first obs. used      1996-10-18  
   last obs. used      2019-12-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54592  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:09:37  

Additional Information
 Earth MOID = .958193 au 
 Jupiter MOID = 2.45678 au 
 T_jup = 3.616 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO436300  

74025 (1998 HA6)          Discovered 1998-Apr-21 by ODAS at Caussols
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 HA6 = 1996 UJ5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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