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70169 (1999 NX64)
Classification: Main-belt Asteroid          SPK-ID: 2070169
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1863072118697425 4.9781e-08  
a 2.374508209944246 1.2755e-08 au
q 1.932120205787721 1.1687e-07 au
i 2.213767286247917 5.6229e-06 deg
node 350.5521764529288 0.00010531 deg
peri 357.7879549124636 0.00010603 deg
M 224.8185022558798 1.628e-05 deg
tp 2459502.349728193566
(2021-Oct-14.84972819)
6.3484e-05 TDB
period 1336.46915565072
3.66
1.0769e-05
2.948e-08
d
yr
n .2693664859214188 2.1704e-09 deg/d
Q 2.816896214100772 1.5132e-08 au
  Orbit Determination Parameters
   # obs. used (total)      551  
   data-arc span      7592 days (20.79 yr)  
   first obs. used      1999-07-14  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5503  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 13:35:22  

Additional Information
 Earth MOID = .925589 au 
 Jupiter MOID = 2.6019 au 
 T_jup = 3.518 
[ 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 16.1   n/a MPO453105  
diameter diameter 3.369 km 0.165 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.42 h n/a LCDB (Rev. 2019-August); 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:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
geometric albedo albedo 0.068   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70169 (1999 NX64)          Discovered 1999-Jul-14 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 NX64 = 2001 CF42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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