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18833 (1999 NT53)
Classification: Main-belt Asteroid          SPK-ID: 2018833
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1406227365577479 2.4039e-08  
a 2.674030051414635 1.0579e-08 au
q 2.298000627947054 6.6271e-08 au
i 11.18886869117703 3.9529e-07 deg
node 209.7978273274571 1.4863e-06 deg
peri 35.72126944219904 6.3593e-06 deg
M 59.44504208959209 4.4886e-06 deg
tp 2459132.769116002073
(2020-Oct-10.26911600)
1.9704e-05 TDB
period 1597.157894112702
4.37
9.478e-06
2.595e-08
d
yr
n .2254003823460406 1.3376e-09 deg/d
Q 3.050059474882216 1.2067e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2189  
   data-arc span      9967 days (27.29 yr)  
   first obs. used      1994-03-14  
   last obs. used      2021-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43919  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 04:41:59  

Additional Information
 Earth MOID = 1.29601 au 
 Jupiter MOID = 1.97169 au 
 T_jup = 3.338 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.70   n/a MPO614063  
diameter diameter 10.683 km 0.153 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18833 (1999 NT53)          Discovered 1999-Jul-12 by LINEAR at Socorro
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 NT53 = 1994 ES7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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