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129635 (1998 HN53)
Classification: Main-belt Asteroid          SPK-ID: 2129635
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .139278999717591 3.3665e-08  
a 2.45872406533917 1.1288e-08 au
q 2.116275436937162 8.6043e-08 au
i 2.267310693937551 3.8687e-06 deg
node 183.4610939414436 0.00010489 deg
peri 17.35277932908782 0.00010631 deg
M 268.1973801193203 1.9635e-05 deg
tp 2459359.600235111461
(2021-May-25.10023511)
7.823e-05 TDB
period 1408.196027609585
3.86
9.6975e-06
2.655e-08
d
yr
n .255646226052136 1.7605e-09 deg/d
Q 2.801172693741178 1.286e-08 au
  Orbit Determination Parameters
   # obs. used (total)      567  
   data-arc span      7916 days (21.67 yr)  
   first obs. used      1998-03-25  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58177  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 11:52:01  

Additional Information
 Earth MOID = 1.11364 au 
 Jupiter MOID = 2.15549 au 
 T_jup = 3.477 
[ 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 16.2   n/a MPO412839  

129635 (1998 HN53)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

Alternate Designations
 1998 HN53 = 2002 JX29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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