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46835 (1998 QR11)
Classification: Main-belt Asteroid          SPK-ID: 2046835
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .197792661632145 2.9466e-08  
a 2.408347947627816 8.5086e-09 au
q 1.931994396930197 7.3642e-08 au
i 3.544533481654193 3.3181e-06 deg
node 280.019292451388 6.7371e-05 deg
peri 27.69118175840456 6.821e-05 deg
M 307.7354363477507 1.157e-05 deg
tp 2459198.690166785753
(2020-Dec-15.19016679)
4.3982e-05 TDB
period 1365.140260571186
3.74
7.2345e-06
1.981e-08
d
yr
n .2637091663016173 1.3975e-09 deg/d
Q 2.884701498325436 1.0192e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1308  
   data-arc span      7975 days (21.83 yr)  
   first obs. used      1998-08-17  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51309  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 21:42:05  

Additional Information
 Earth MOID = .917987 au 
 Jupiter MOID = 2.37049 au 
 T_jup = 3.492 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO468332  

46835 (1998 QR11)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QR11 = 2000 AP46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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