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66583 Nicandra (1999 RL156)
Classification: Main-belt Asteroid          SPK-ID: 2066583
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2443425607206461 4.2149e-08  
a 2.634188973392026 1.2413e-08 au
q 1.990544494211328 1.1333e-07 au
i 3.604408917490971 4.5847e-06 deg
node 198.3325347713695 5.6137e-05 deg
peri 169.2098009088529 5.6517e-05 deg
M 23.33623627750463 8.8031e-06 deg
tp 2459295.272821801187
(2021-Mar-21.77282180)
3.7735e-05 TDB
period 1561.596468180314
4.28
1.1038e-05
3.022e-08
d
yr
n .2305333082748953 1.6296e-09 deg/d
Q 3.277833452572724 1.5447e-08 au
  Orbit Determination Parameters
   # obs. used (total)      815  
   data-arc span      13834 days (37.88 yr)  
   first obs. used      1982-09-27  
   last obs. used      2020-08-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57044  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:23:31  

Additional Information
 Earth MOID = .988868 au 
 Jupiter MOID = 2.1906 au 
 T_jup = 3.352 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.15   n/a E2021B10  
diameter diameter 6.011 km 0.290 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.457 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:
[Pravec, P.; Fatka, P.; Vokrouhlicky, D.; Scheeres, D.J.; et al. (2018) Icarus 304, 110-126.]
geometric albedo albedo 0.049   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66583 Nicandra           Discovered 1999 Sept. 9 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Named for a monotypic genus of flowering plants in the nightshade family containing the single species Nicandra physalodes. While the genus is named for Greek poet Nicander, it is known by the common names "apple-of-Peru" and "shoo-fly plant." Its flowers are bell-shaped, pale violet with white throats.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-01-12Last Updated: 2017-01-17

[ show close-approach data ]
Alternate Designations
 1999 RL156 = 1982 SJ11 = 2001 DJ105 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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