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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1863996101073789 4.9296e-08  
a 2.374575711527309 1.2512e-08 au
q 1.931955724728166 1.16e-07 au
i 2.213767167445136 5.5755e-06 deg
node 350.5516478786758 0.00010327 deg
peri 357.769095084997 0.000104 deg
M 278.7231941691856 1.6605e-05 deg
tp 2459502.246044371075
(2021-Oct-14.74604437)
6.3475e-05 TDB
period 1336.526144982961
3.66
1.0563e-05
2.892e-08
d
yr
n .2693550001631951 2.1289e-09 deg/d
Q 2.817195698326451 1.4844e-08 au
  Orbit Determination Parameters
   # obs. used (total)      558  
   data-arc span      7622 days (20.87 yr)  
   first obs. used      1999-07-14  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55224  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:01:50  

Additional Information
 Earth MOID = .92364 au 
 Jupiter MOID = 2.60204 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 16.08   n/a E2021B10  
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. 2020-October); 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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