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100994 (1998 QH39)
Classification: Main-belt Asteroid          SPK-ID: 2100994
[ 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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .225973095150534 5.8377e-08  
a 2.280510877325032 1.0085e-08 au
q 1.765176775851435 1.2932e-07 au
i 6.772443106971032 4.022e-06 deg
node 136.5709724347496 4.7942e-05 deg
peri 197.5485663120782 5.0766e-05 deg
M 173.201027824432 2.1535e-05 deg
tp 2458595.306000884428
(2019-Apr-21.80600088)		 7.2402e-05 TDB
period 1257.901540298324
3.44		 8.344e-06
2.284e-08		 d
yr
n .2861909207254985 1.8984e-09 deg/d
Q 2.79584497879863 1.2364e-08 au
   Orbit Determination Parameters
   # obs. used (total)      598  
   data-arc span      10298 days (28.19 yr)  
   first obs. used      1992-12-26  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55334  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:42  

Additional Information
 Earth MOID = .754252 au 
 Jupiter MOID = 2.57894 au 
 T_jup = 3.562 
[ 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 16.19   n/a E2021B55  

100994 (1998 QH39)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 QH39 = 2000 CF107 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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