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101002 (1998 QE46)
Classification: Main-belt Asteroid          SPK-ID: 2101002
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2029301734959741 4.2795e-08  
a 2.244878709159395 8.2893e-09 au
q 1.78932508323226 9.6716e-08 au
i 6.089932162479853 4.0958e-06 deg
node 159.4742402999998 3.88e-05 deg
peri 228.6532819110696 4.024e-05 deg
M 194.1699866166543 1.0241e-05 deg
tp 2459766.411322824124
(2022-Jul-05.91132282)
3.6554e-05 TDB
period 1228.535607397743
3.36
6.8046e-06
1.863e-08
d
yr
n .2930317996745279 1.623e-09 deg/d
Q 2.700432335086529 9.9714e-09 au
  Orbit Determination Parameters
   # obs. used (total)      519  
   data-arc span      7948 days (21.76 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55505  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:44  

Additional Information
 Earth MOID = .798966 au 
 Jupiter MOID = 2.75917 au 
 T_jup = 3.597 
[ 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 16.87   n/a E2021B55  

101002 (1998 QE46)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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