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91411 (1999 NJ41)
Classification: Main-belt Asteroid          SPK-ID: 2091411
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1825275288019812 3.6344e-08  
a 2.632472861389578 1.4025e-08 au
q 2.151974095361858 9.5989e-08 au
i 13.53105507541121 6.0045e-06 deg
node 329.5654919036596 1.9112e-05 deg
peri 55.67302512755851 2.6627e-05 deg
M 357.0115690285138 1.8908e-05 deg
tp 2459409.450454452959
(2021-Jul-13.95045445)
8.1987e-05 TDB
period 1560.07070183272
4.27
1.2468e-05
3.414e-08
d
yr
n .230758772392228 1.8441e-09 deg/d
Q 3.112971627417298 1.6585e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1080  
   data-arc span      8947 days (24.50 yr)  
   first obs. used      1997-02-08  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54177  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:02:13  

Additional Information
 Earth MOID = 1.18339 au 
 Jupiter MOID = 2.47616 au 
 T_jup = 3.336 
[ 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 14.14   n/a E2021B10  
diameter diameter 3.968 km 0.797 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.067 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2018) Minor Planet Bull. 45, 256-259.]
geometric albedo albedo 0.309   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91411 (1999 NJ41)          Discovered 1999-Jul-14 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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