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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1713786732267794 4.366e-08  
a 2.359378384527036 1.0133e-08 au
q 1.955031247346851 1.0152e-07 au
i 4.621170542018729 3.8727e-06 deg
node 90.93196934326842 6.1552e-05 deg
peri 82.71744073277664 6.2686e-05 deg
M 72.19740313092856 1.236e-05 deg
tp 2458735.030949023560
(2019-Sep-08.53094902)
4.4828e-05 TDB
period 1323.716009261525
3.62
8.5279e-06
2.335e-08
d
yr
n .2719616575468004 1.7521e-09 deg/d
Q 2.763725521707222 1.187e-08 au
  Orbit Determination Parameters
   # obs. used (total)      504  
   data-arc span      9182 days (25.14 yr)  
   first obs. used      1993-11-20  
   last obs. used      2019-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5471  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:19:12  

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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