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100847 (1998 HN26)
Classification: Main-belt Asteroid          SPK-ID: 2100847
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 .1713786707924858 4.3453e-08  
a 2.359378387288105 1.0109e-08 au
q 1.955031255378151 1.0096e-07 au
i 4.621174907094749 3.872e-06 deg
node 90.93196499536994 6.1175e-05 deg
peri 82.71743602109294 6.2312e-05 deg
M 72.19741359885229 1.2358e-05 deg
tp 2458735.030910067122
(2019-Sep-08.53091007)
4.4818e-05 TDB
period 1323.716011585148
3.62
8.5077e-06
2.329e-08
d
yr
n .2719616570694046 1.7479e-09 deg/d
Q 2.763725519198059 1.1842e-08 au
  Orbit Determination Parameters
   # obs. used (total)      512  
   data-arc span      9718 days (26.61 yr)  
   first obs. used      1993-11-20  
   last obs. used      2020-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54911  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:55  

Additional Information
 Earth MOID = .966621 au 
 Jupiter MOID = 2.21045 au 
 T_jup = 3.528 
[ 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 MPO417509  

100847 (1998 HN26)          Discovered 1998-Apr-20 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 HN26 = 2000 YK40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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