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129140 (2005 AO50)
Classification: Jupiter Trojan          SPK-ID: 2129140
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01688763387777615 5.2258e-08  
a 5.183406582468029 1.1537e-07 au
q 5.095871109863654 3.4204e-07 au
i 9.361962058518856 6.2065e-06 deg
node 171.8763382409855 3.4964e-05 deg
peri 105.9564715181811 0.00020512 deg
M 313.8692683579923 0.00020134 deg
tp 2459552.843417374356
(2021-Dec-04.34341737)
0.0024082 TDB
period 4310.437384732413
11.80
0.0001439
3.94e-07
d
yr
n .08351820659200884 2.7883e-09 deg/d
Q 5.270942055072404 1.1731e-07 au
  Orbit Determination Parameters
   # obs. used (total)      517  
   data-arc span      7202 days (19.72 yr)  
   first obs. used      2000-09-24  
   last obs. used      2020-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54298  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 02:16:19  

Additional Information
 Earth MOID = 4.09435 au 
 Jupiter MOID = .205622 au 
 T_jup = 2.973 
[ 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 12.6   n/a MPO436625  
diameter diameter 16.132 km 1.208 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
rotation period rot_per 9.384 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.068   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

129140 (2005 AO50)          Discovered 2005-Jan-13 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 2005 AO50 = 2001 UG20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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