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66424 (1999 NA27)
Classification: Main-belt Asteroid          SPK-ID: 2066424
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1602355898689787 3.3301e-08  
a 2.331672777736947 8.5439e-09 au
q 1.958055814814827 7.9343e-08 au
i 5.532755469116118 3.1829e-06 deg
node 126.9559719527781 4.2701e-05 deg
peri 136.0596462862099 4.4704e-05 deg
M 30.39856204345918 1.2387e-05 deg
tp 2459090.687856202980
(2020-Aug-29.18785620)
4.4829e-05 TDB
period 1300.468479739601
3.56
7.1479e-06
1.957e-08
d
yr
n .2768233183722258 1.5215e-09 deg/d
Q 2.705289740659067 9.9129e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1127  
   data-arc span      7748 days (21.21 yr)  
   first obs. used      1999-06-22  
   last obs. used      2020-09-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50499  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:22:04  

Additional Information
 Earth MOID = .945024 au 
 Jupiter MOID = 2.3759 au 
 T_jup = 3.547 
[ 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 15.47   n/a E2021B10  
diameter diameter 2.322 km 0.451 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.272   0.122 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66424 (1999 NA27)          Discovered 1999-Jul-14 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 NA27 = 2000 WH33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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