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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2258902914026196 5.8461e-08  
a 2.280533329012213 1.0085e-08 au
q 1.765382990768258 1.295e-07 au
i 6.772065077379376 4.0305e-06 deg
node 136.5716722992847 5.143e-05 deg
peri 197.5269678704638 5.4156e-05 deg
M 115.9994976455652 2.1446e-05 deg
tp 2458595.171940036769
(2019-Apr-21.67194004)		 7.3078e-05 TDB
period 1257.920116452692
3.44		 8.3443e-06
2.285e-08		 d
yr
n .2861866944422451 1.8984e-09 deg/d
Q 2.795683667256168 1.2363e-08 au
   Orbit Determination Parameters
   # obs. used (total)      572  
   data-arc span      9912 days (27.14 yr)  
   first obs. used      1992-12-26  
   last obs. used      2020-02-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54973  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:04  

Additional Information
 Earth MOID = .75636 au 
 Jupiter MOID = 2.57879 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 16.1   n/a MPO502724  

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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