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100989 (1998 QA34)
Classification: Main-belt Asteroid          SPK-ID: 2100989
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .213942092005525 5.6743e-08  
a 2.395763727470656 9.8359e-09 au
q 1.88320902366463 1.3738e-07 au
i 1.982106384864053 5.8367e-06 deg
node 316.9932380323295 0.00015197 deg
peri 39.03211211627024 0.00015238 deg
M 300.2057108188504 1.3889e-05 deg
tp 2459225.468447620036
(2021-Jan-10.96844762)
5.3086e-05 TDB
period 1354.454451291396
3.71
8.3411e-06
2.284e-08
d
yr
n .2657896687900876 1.6368e-09 deg/d
Q 2.908318431276683 1.194e-08 au
  Orbit Determination Parameters
   # obs. used (total)      503  
   data-arc span      7974 days (21.83 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53353  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 01:14:17  

Additional Information
 Earth MOID = .879236 au 
 Jupiter MOID = 2.53979 au 
 T_jup = 3.497 
[ 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 MPO469017  

100989 (1998 QA34)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 QA34 = 2000 DW2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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