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46670 (1996 NU)
Classification: Main-belt Asteroid          SPK-ID: 2046670
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08362594136741933 2.1486e-08  
a 3.180324724116785 1.7547e-08 au
q 2.914367075208441 7.3859e-08 au
i 17.58118558829262 7.2676e-07 deg
node 156.8548445226552 3.4703e-06 deg
peri 23.32262308676752 9.5661e-06 deg
M 241.490037265527 1.0455e-05 deg
tp 2459882.458561314557
(2022-Oct-29.95856131)
6.1795e-05 TDB
period 2071.598677516303
5.67
1.7144e-05
4.694e-08
d
yr
n .173778832699205 1.4382e-09 deg/d
Q 3.44628237302513 1.9014e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2163  
   data-arc span      16090 days (44.05 yr)  
   first obs. used      1977-02-19  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42059  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:51:32  

Additional Information
 Earth MOID = 1.92689 au 
 Jupiter MOID = 1.54362 au 
 T_jup = 3.121 
[ 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 12.55   n/a MPCxxxxx  
diameter diameter 20.490 km 0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.15273 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.037   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46670 (1996 NU)          Discovered 1996-Jul-15 by Linderholm, R. at Lime Creek
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1996 NU = 1977 DA9 = 2000 CG58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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