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JPL Small-Body Database Browser
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37789 (1997 UL16)
Classification: Jupiter Trojan          SPK-ID: 2037789
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .009451708226980285 6.9715e-08  
a 5.264642045759444 1.6601e-07 au
q 5.214882185223433 3.3003e-07 au
i .4508288765458313 5.9407e-06 deg
node 264.2209887659003 0.0009349 deg
peri 201.6657762215857 0.0010289 deg
M 246.8848786879934 0.00043376 deg
tp 2460386.840349515957
(2024-Mar-17.34034952)
0.005349 TDB
period 4412.164527933629
12.08
0.00020869
5.714e-07
d
yr
n .08159260556147044 3.8592e-09 deg/d
Q 5.314401906295456 1.6758e-07 au
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      7578 days (20.75 yr)  
   first obs. used      1997-10-11  
   last obs. used      2018-07-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56765  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 19:25:53  

Additional Information
 Earth MOID = 4.2317 au 
 Jupiter MOID = .0248143 au 
 T_jup = 3.000 
[ 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 13.1   n/a MPO337566  
diameter diameter 15.457 km 2.232 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.035   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

37789 (1997 UL16)          Discovered 1997-Oct-23 by Spacewatch at Kitt Peak
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 UL16 = 2000 AU254 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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