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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2027839171141365 4.2785e-08  
a 2.245178666678451 8.3036e-09 au
q 1.7898925420283 9.6703e-08 au
i 6.089580747247776 4.0955e-06 deg
node 159.4723137095205 3.8801e-05 deg
peri 228.6773845866821 4.0243e-05 deg
M 135.5415998133545 1.01e-05 deg
tp 2458537.858173458386
(2019-Feb-23.35817346)
3.3397e-05 TDB
period 1228.781848409107
3.36
6.8168e-06
1.866e-08
d
yr
n .2929730777404376 1.6253e-09 deg/d
Q 2.700464791328602 9.9875e-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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55502  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:03:00  

Additional Information
 Earth MOID = .800792 au 
 Jupiter MOID = 2.75794 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 16.8   n/a MPO453463  

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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