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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1834898223695424 4.0672e-08  
a 2.634016950165793 1.5378e-08 au
q 2.150701647861508 1.0683e-07 au
i 13.5230887976697 6.7896e-06 deg
node 329.5873898007455 1.9502e-05 deg
peri 55.6358038937779 2.8399e-05 deg
M 265.7737544195169 2.0597e-05 deg
tp 2459409.191552652741
(2021-Jul-13.69155265)
9.1137e-05 TDB
period 1561.443502801107
4.27
1.3674e-05
3.744e-08
d
yr
n .2305558922587903 2.019e-09 deg/d
Q 3.117332252470078 1.82e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1007  
   data-arc span      8125 days (22.25 yr)  
   first obs. used      1997-02-08  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55088  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:29:32  

Additional Information
 Earth MOID = 1.18284 au 
 Jupiter MOID = 2.47068 au 
 T_jup = 3.335 
[ 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 14.1   n/a MPO385379  
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. 2019-August); 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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