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30806 (1989 UP5)
Classification: Jupiter Trojan          SPK-ID: 2030806
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03437366564971608 5.5778e-08  
a 5.240070407071592 1.012e-07 au
q 5.059949978917941 2.8514e-07 au
i 2.083581914980229 4.9328e-06 deg
node 98.59228868647767 0.00016439 deg
peri 92.92556253557518 0.00018457 deg
M 53.39394572160435 8.0688e-05 deg
tp 2458550.679174905631
(2019-Mar-08.17917491)
0.00098788 TDB
period 4381.311286746081
12.00
0.00012693
3.475e-07
d
yr
n .08216718156708863 2.3804e-09 deg/d
Q 5.420190835225242 1.0468e-07 au
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      15255 days (41.77 yr)  
   first obs. used      1978-11-30  
   last obs. used      2020-09-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57044  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:40:21  

Additional Information
 Earth MOID = 4.05959 au 
 Jupiter MOID = .00244551 au 
 T_jup = 2.998 
[ 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 12.73   n/a E2021B10  
diameter diameter 13.097 km 1.483 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.136   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

30806 (1989 UP5)          Discovered 1989-Oct-30 by Bus, S. J. at Cerro Tololo
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1989 UP5 = 1978 WY17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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