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66432 (1999 NL46)
Classification: Main-belt Asteroid          SPK-ID: 2066432
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2729139443810416 3.5472e-08  
a 2.428015306305692 6.9943e-09 au
q 1.765376072044263 8.7423e-08 au
i 8.741494828686664 3.9208e-06 deg
node 251.6103677311533 2.4777e-05 deg
peri 80.46951772406358 2.5797e-05 deg
M 160.7165896711355 6.5592e-06 deg
tp 2458383.573018380034
(2018-Sep-22.07301838)
2.4408e-05 TDB
period 1381.896628329687
3.78
5.9711e-06
1.635e-08
d
yr
n .260511526419408 1.1257e-09 deg/d
Q 3.090654540567122 8.9031e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1134  
   data-arc span      18404 days (50.39 yr)  
   first obs. used      1969-09-13  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5283  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:57:10  

Additional Information
 Earth MOID = .780655 au 
 Jupiter MOID = 2.36655 au 
 T_jup = 3.442 
[ 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 14.9   n/a MPO453060  
diameter diameter 6.843 km 0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.1009 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2018) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.033   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66432 (1999 NL46)          Discovered 1999-Jul-13 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 NL46 = 1969 RZ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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