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66427 (1999 NP34)
Classification: Main-belt Asteroid          SPK-ID: 2066427
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 .1229079644242566 4.2571e-08  
a 2.361466295161353 1.2592e-08 au
q 2.071223279766581 9.9296e-08 au
i 4.097643634368775 4.5095e-06 deg
node 288.9525852383728 6.9598e-05 deg
peri 17.31697717023661 7.3342e-05 deg
M 264.5268068808035 2.7366e-05 deg
tp 2459352.019968761586
(2021-May-17.51996876)
0.0001025 TDB
period 1325.4735137661
3.63
1.0602e-05
2.903e-08
d
yr
n .2716010514439653 2.1724e-09 deg/d
Q 2.651709310556126 1.414e-08 au
  Orbit Determination Parameters
   # obs. used (total)      753  
   data-arc span      9512 days (26.04 yr)  
   first obs. used      1994-01-18  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56617  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:56:55  

Additional Information
 Earth MOID = 1.05657 au 
 Jupiter MOID = 2.55559 au 
 T_jup = 3.537 
[ 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 15.6   n/a MPO263856  
diameter diameter 1.764 km 0.300 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.393   0.160 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66427 (1999 NP34)          Discovered 1999-Jul-14 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 NP34 = 2002 GC54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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