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19620 Auckland (1999 QG)
Classification: Main-belt Asteroid          SPK-ID: 2019620
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1439883100094311 3.3754e-08  
a 2.69562382320595 1.192e-08 au
q 2.307485504481363 9.037e-08 au
i 14.05692343401144 4.4823e-06 deg
node 65.69247490629964 1.5545e-05 deg
peri 30.27766206643179 2.2372e-05 deg
M 185.8752061777224 1.6434e-05 deg
tp 2459982.389660437574
(2023-Feb-06.88966044)
7.5882e-05 TDB
period 1616.543351343879
4.43
1.0723e-05
2.936e-08
d
yr
n .2226973991762867 1.4772e-09 deg/d
Q 3.083762141930536 1.3637e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1702  
   data-arc span      13755 days (37.66 yr)  
   first obs. used      1982-12-13  
   last obs. used      2020-08-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45596  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:59:50  

Additional Information
 Earth MOID = 1.33368 au 
 Jupiter MOID = 2.19458 au 
 T_jup = 3.312 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457238.5 (2015-Aug-04.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1458730107581227 3.3763e-08  
q 2.299933950457862 9.0396e-08 au
tp 2456752.643206070004
(2014-Apr-05.14320607)
6.8567e-05 TDB
node 65.71729165355659 1.5532e-05 deg
peri 30.29099888844174 2.2192e-05 deg
i 14.06886047130656 4.4861e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1702  
   data-arc span      13755 days (37.66 yr)  
   first obs. used      1982-12-13  
   last obs. used      2020-08-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45596  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:59:50  

Additional Information
 Jupiter MOID = 2.19458 au 
 T_jup = 3.312 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.139945907976247E-15 -3.032507429635731E-15 -5.566710713086721E-13 1.665369833189241E-15 -1.550060138748288E-13 -1.439344077767527E-15
q -3.032507429635731E-15 8.171405021285833E-15 1.587278331707565E-12 -4.591890531917504E-15 4.428723970843575E-13 4.179960502764629E-15
tp -5.566710713086721E-13 1.587278331707565E-12 4.701399499988429E-9 7.237174869136653E-12 1.098861132820637E-9 -4.258044615980228E-12
node 1.665369833189241E-15 -4.591890531917504E-15 7.237174869136653E-12 2.412553536000977E-10 -2.321707609856671E-10 -1.871369024327328E-11
peri -1.550060138748288E-13 4.428723970843575E-13 1.098861132820637E-9 -2.321707609856671E-10 4.924728959452634E-10 1.729517115299006E-11
i -1.439344077767527E-15 4.179960502764629E-15 -4.258044615980228E-12 -1.871369024327328E-11 1.729517115299006E-11 2.012529159287953E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.78   n/a MPCxxxxx  
diameter diameter 4.721 km 0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.288   0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19620 Auckland           Discovered 1999 Aug. 18 at Auckland.
The largest city in New Zealand, Auckland is renowned for its beautiful harbors and its volcanic cones.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010309/MPCPages.arcLast Updated: 2009-05-11

Alternate Designations
 1999 QG = 1982 XK1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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