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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1648350106087327 1.7513e-08  
a 2.63832783804555 1.3035e-08 au
q 2.203439040871997 5.0183e-08 au
i 11.81198108558938 9.4295e-07 deg
node 320.4380651328165 8.1286e-06 deg
peri 92.09274123934192 1.055e-05 deg
M 325.6860121030492 9.8319e-06 deg
tp 2459545.697058098392
(2021-Nov-27.19705810)
4.3283e-05 TDB
period 1565.278307981039
4.29
1.16e-05
3.176e-08
d
yr
n .2299910489811508 1.7044e-09 deg/d
Q 3.073216635219103 1.5184e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1451  
   data-arc span      8063 days (22.08 yr)  
   first obs. used      1999-07-13  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46916  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:02:10  

Additional Information
 Earth MOID = 1.25148 au 
 Jupiter MOID = 2.36875 au 
 T_jup = 3.347 
[ 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 13.56   n/a E2021B10  
diameter diameter 5.503 km 0.184 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.55518 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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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