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101003 (1998 QW46)
Classification: Main-belt Asteroid          SPK-ID: 2101003
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2401709311024986 5.9144e-08  
a 2.318842006606718 7.4811e-09 au
q 1.761923562800396 1.3964e-07 au
i 3.989473961752107 5.1781e-06 deg
node 276.8587896471825 6.4294e-05 deg
peri 90.78627101352363 6.5457e-05 deg
M 43.98057484828112 1.2965e-05 deg
tp 2458842.933616771286
(2019-Dec-25.43361677)
4.6063e-05 TDB
period 1289.748898417457
3.53
6.2415e-06
1.709e-08
d
yr
n .2791240996148365 1.3508e-09 deg/d
Q 2.87576045041304 9.2778e-09 au
  Orbit Determination Parameters
   # obs. used (total)      473  
   data-arc span      8273 days (22.65 yr)  
   first obs. used      1997-04-12  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51368  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:36:36  

Additional Information
 Earth MOID = .766431 au 
 Jupiter MOID = 2.6112 au 
 T_jup = 3.537 
[ 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 16.3   n/a MPO244923  

101003 (1998 QW46)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1998 QW46 = 2002 YY13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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