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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1291839551385327 7.4946e-08  
a 5.213403982811805 1.2023e-07 au
q 4.539915836577197 4.0516e-07 au
i 25.62783447138541 7.1969e-06 deg
node 66.98961703297421 1.3897e-05 deg
peri 4.223458449572813 2.8872e-05 deg
M 243.8406424185797 2.899e-05 deg
tp 2460003.417706863436
(2023-Feb-27.91770686)
0.00038068 TDB
period 4347.909501107812
11.90
0.00015041
4.118e-07
d
yr
n .08279841149137879 2.8643e-09 deg/d
Q 5.886892129046413 1.3577e-07 au
  Orbit Determination Parameters
   # obs. used (total)      1045  
   data-arc span      23899 days (65.43 yr)  
   first obs. used      1953-02-14  
   last obs. used      2018-07-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4977  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 23:40:59  

Additional Information
 Earth MOID = 3.55452 au 
 Jupiter MOID = .500057 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 10.6   n/a MPO337430  
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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