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JPL Small-Body Database Browser
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100998 (1998 QH41)
Classification: Main-belt Asteroid          SPK-ID: 2100998
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .252303146359543 4.862e-08  
a 2.29932419422987 5.4597e-09 au
q 1.719197465525053 1.1065e-07 au
i 2.700534315437829 5.7316e-06 deg
node 160.3872088279522 7.6301e-05 deg
peri 163.0861254443672 7.7025e-05 deg
M 95.08884906928506 1.0155e-05 deg
tp 2458664.123358091464
(2019-Jun-29.62335809)		 3.5515e-05 TDB
period 1273.499387912861
3.49		 4.5359e-06
1.242e-08		 d
yr
n .2826856482357673 1.0068e-09 deg/d
Q 2.879450922934688 6.8372e-09 au
   Orbit Determination Parameters
   # obs. used (total)      725  
   data-arc span      7813 days (21.39 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51695  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 14:59:54  

Additional Information
 Earth MOID = .707216 au 
 Jupiter MOID = 2.46111 au 
 T_jup = 3.548 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO436470  

100998 (1998 QH41)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 QH41 = 2001 JL10 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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