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30807 (1989 UQ5)
Classification: Jupiter Trojan          SPK-ID: 2030807
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05789168955254007 4.3638e-08  
a 5.187030677696654 7.7706e-08 au
q 4.886744708003938 2.5498e-07 au
i 4.697349339912329 4.0578e-06 deg
node 170.2120949748244 5.9831e-05 deg
peri 119.9965838926644 7.5536e-05 deg
M 335.5208895228288 4.5857e-05 deg
tp 2459493.906535467032
(2021-Oct-06.40653547)
0.00054784 TDB
period 4314.958783597833
11.81
9.6963e-05
2.655e-07
d
yr
n .08343069263336747 1.8748e-09 deg/d
Q 5.48731664738937 8.2205e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1235  
   data-arc span      11248 days (30.80 yr)  
   first obs. used      1989-10-04  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50331  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:40:23  

Additional Information
 Earth MOID = 3.87175 au 
 Jupiter MOID = .110206 au 
 T_jup = 2.990 
[ 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 12.06   n/a E2021B10  
diameter diameter 20.670 km 0.559 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.079   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

30807 (1989 UQ5)          Discovered 1989-Oct-30 by Bus, S. J. at Cerro Tololo
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1989 UQ5 = 2000 SG65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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