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JPL Small-Body Database Browser
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19844 (2000 ST317)
Classification: Jupiter Trojan          SPK-ID: 2019844
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05008269580117456 5.4064e-08  
a 5.194407831746738 1.0614e-07 au
q 4.934257884442128 3.3938e-07 au
i 40.42289816607117 8.543e-06 deg
node 207.5414339241244 8.5274e-06 deg
peri 102.9081007065446 0.00010299 deg
M 290.0000129519461 0.00010793 deg
tp 2459841.310163617398
(2022-Sep-18.81016362)
0.0013081 TDB
period 4324.167355837797
11.84
0.00013253
3.628e-07
d
yr
n .08325302199832431 2.5516e-09 deg/d
Q 5.454557779051349 1.1145e-07 au
  Orbit Determination Parameters
   # obs. used (total)      1149  
   data-arc span      25047 days (68.57 yr)  
   first obs. used      1951-07-08  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53807  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:56:55  

Additional Information
 Earth MOID = 4.07362 au 
 Jupiter MOID = .168128 au 
 T_jup = 2.521 
[ 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 11.0   n/a MPO474027  
diameter diameter 37.972 km 0.365 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
geometric albedo albedo 0.053   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

19844 (2000 ST317)          Discovered 2000-Sep-30 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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