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100849 (1998 HN29)
Classification: Main-belt Asteroid          SPK-ID: 2100849
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04444045910425503 5.2404e-08  
a 2.321190780868221 1.2295e-08 au
q 2.218035996897873 1.1846e-07 au
i 7.389350532512957 5.2694e-06 deg
node 13.71851799423933 3.1833e-05 deg
peri 158.0662076450758 5.7259e-05 deg
M 171.5749952552952 4.9839e-05 deg
tp 2458584.875100204912
(2019-Apr-11.37510020)
0.00017638 TDB
period 1291.708990558122
3.54
1.0263e-05
2.81e-08
d
yr
n .2787005452709989 2.2144e-09 deg/d
Q 2.424345564838569 1.2842e-08 au
  Orbit Determination Parameters
   # obs. used (total)      419  
   data-arc span      8289 days (22.69 yr)  
   first obs. used      1998-03-29  
   last obs. used      2020-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6122  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:26:22  

Additional Information
 Earth MOID = 1.22263 au 
 Jupiter MOID = 2.53433 au 
 T_jup = 3.565 
[ 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 16.3   n/a MPO432536  

100849 (1998 HN29)          Discovered 1998-Apr-20 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 HN29 = 2003 UE173 = 2003 UV263 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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