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91406 (1999 NA11)
Classification: Main-belt Asteroid          SPK-ID: 2091406
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1660017435804298 3.7506e-08  
a 2.640148523126614 1.4469e-08 au
q 2.201879264976299 9.7637e-08 au
i 11.80404082412103 5.4925e-06 deg
node 320.4582315403262 2.0928e-05 deg
peri 91.85301190567809 2.7575e-05 deg
M 235.0126848779048 1.8239e-05 deg
tp 2459544.506894355884
(2021-Nov-26.00689436)
8.1452e-05 TDB
period 1566.898863111088
4.29
1.2881e-05
3.527e-08
d
yr
n .2297531822093595 1.8887e-09 deg/d
Q 3.078417781276928 1.6871e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1299  
   data-arc span      7595 days (20.79 yr)  
   first obs. used      1999-07-13  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47306  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:40:31  

Additional Information
 Earth MOID = 1.25028 au 
 Jupiter MOID = 2.36644 au 
 T_jup = 3.346 
[ 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 13.5   n/a MPO296751  
diameter diameter 5.503 km 0.184 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.279   0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91406 (1999 NA11)          Discovered 1999-Jul-13 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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