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20424 (1998 VF30)
Classification: Jupiter Trojan          SPK-ID: 2020424
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1303683601828507 3.4161e-08  
a 5.209845001863693 9.9735e-08 au
q 4.530646052163902 2.2024e-07 au
i 25.62624407635685 1.1424e-06 deg
node 66.9674646132825 3.2131e-06 deg
peri 4.526218201923355 1.5608e-05 deg
M 293.3883835495534 2.1635e-05 deg
tp 2460004.179893033616
(2023-Feb-28.67989303)
0.00027753 TDB
period 4343.458046950939
11.89
0.00012472
3.415e-07
d
yr
n .08288326860960844 2.38e-09 deg/d
Q 5.889043951563483 1.1274e-07 au
  Orbit Determination Parameters
   # obs. used (total)      1461  
   data-arc span      24797 days (67.89 yr)  
   first obs. used      1953-02-14  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47772  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:20:22  

Additional Information
 Earth MOID = 3.54504 au 
 Jupiter MOID = .508182 au 
 T_jup = 2.788 
[ 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 10.63   n/a E2021B10  
diameter diameter 45.804 km 0.466 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
geometric albedo albedo 0.058   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

20424 (1998 VF30)          Discovered 1998-Nov-10 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 VF30 = 1999 XN210 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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