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JPL Small-Body Database Browser
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14579 (1998 QZ99)
Classification: Main-belt Asteroid          SPK-ID: 2014579
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1686940491063631 3.4988e-08  
a 2.449863272802916 9.3961e-09 au
q 2.036585917556826 8.7998e-08 au
i 3.423979626097858 3.7492e-06 deg
node 54.67649033589159 7.3388e-05 deg
peri 322.9911186584533 7.4679e-05 deg
M 219.4025672273144 1.5854e-05 deg
tp 2459547.498439555545
(2021-Nov-28.99843956)
6.3627e-05 TDB
period 1400.590568096436
3.83
8.0576e-06
2.206e-08
d
yr
n .257034431189467 1.4787e-09 deg/d
Q 2.863140628049007 1.0981e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1385  
   data-arc span      14689 days (40.22 yr)  
   first obs. used      1979-11-16  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51508  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:00:36  

Additional Information
 Earth MOID = 1.03979 au 
 Jupiter MOID = 2.59799 au 
 T_jup = 3.474 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456571.5 (2013-Oct-06.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1669051093266749 3.4811e-08  
q 2.041925399432969 8.7408e-08 au
tp 2456744.542207719304
(2014-Mar-28.04220772)
5.5992e-05 TDB
node 54.77920937288408 7.3419e-05 deg
peri 322.7458222234676 7.4753e-05 deg
i 3.423002013665851 3.7472e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1385  
   data-arc span      14689 days (40.22 yr)  
   first obs. used      1979-11-16  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51508  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 21:00:36  

Additional Information
 Jupiter MOID = 2.59799 au 
 T_jup = 3.474 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.211775306132518E-15 -3.031051997039027E-15 -3.796367979263548E-13 5.305775001151531E-15 -1.319371715482881E-13 -1.948263664380111E-16
q -3.031051997039027E-15 7.640151033096426E-15 1.122360788953564E-12 -1.122899255166944E-14 3.690606065282494E-13 5.710552226463427E-16
tp -3.796367979263548E-13 1.122360788953564E-12 3.135149346197588E-9 1.429606821271542E-11 8.076185100642674E-10 3.832999784280265E-13
node 5.305775001151531E-15 -1.122899255166944E-14 1.429606821271542E-11 5.39034148165936E-9 -5.376818773267219E-9 2.339138545406126E-11
peri -1.319371715482881E-13 3.690606065282494E-13 8.076185100642674E-10 -5.376818773267219E-9 5.588077748569854E-9 -2.325153587112538E-11
i -1.948263664380111E-16 5.710552226463427E-16 3.832999784280265E-13 2.339138545406126E-11 -2.325153587112538E-11 1.404170617889134E-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 15.1   n/a MPO467846  

14579 (1998 QZ99)          Discovered 1998-Aug-26 by Elst, E. W. at La Silla
Reference: 20000418/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QZ99 = 1979 WN1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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