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70146 (1999 NX23)
Classification: Main-belt Asteroid          SPK-ID: 2070146
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1491793663620577 3.5308e-08  
a 2.326510125684477 8.9594e-09 au
q 1.979442819299956 8.3475e-08 au
i 10.62263234743212 3.2347e-06 deg
node 109.9303118478496 2.1921e-05 deg
peri 158.4782310347651 2.5647e-05 deg
M 33.46358233290454 1.2413e-05 deg
tp 2459080.016998632172
(2020-Aug-18.51699863)
4.4882e-05 TDB
period 1296.151740746803
3.55
7.4873e-06
2.05e-08
d
yr
n .2777452582770741 1.6044e-09 deg/d
Q 2.673577432068999 1.0296e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1044  
   data-arc span      7740 days (21.19 yr)  
   first obs. used      1999-06-08  
   last obs. used      2020-08-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55715  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:01:57  

Additional Information
 Earth MOID = .965148 au 
 Jupiter MOID = 2.44099 au 
 T_jup = 3.536 
[ 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 15.64   n/a E2021B10  
diameter diameter 1.833 km 0.316 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.364   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70146 (1999 NX23)          Discovered 1999-Jul-14 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 NX23 = 2000 WB40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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