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JPL Small-Body Database Browser
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277388 (2005 UG123)
Classification: Main-belt Asteroid          SPK-ID: 2277388
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1103220010955084 5.2587e-08  
a 2.333261417888422 1.5509e-08 au
q 2.075851349188028 1.2237e-07 au
i 3.815083020026357 6.2735e-06 deg
node 35.63994634310006 7.5046e-05 deg
peri 224.0014724718108 8.0359e-05 deg
M 56.28502630921037 2.8178e-05 deg
tp 2458396.967438116822
(2018-Oct-05.46743812)
0.00010187 TDB
period 1301.797779669051
3.56
1.298e-05
3.554e-08
d
yr
n .2765406468057741 2.7573e-09 deg/d
Q 2.590671486588816 1.722e-08 au
  Orbit Determination Parameters
   # obs. used (total)      217  
   data-arc span      9184 days (25.14 yr)  
   first obs. used      1994-09-05  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56422  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 05:23:30  

Additional Information
 Earth MOID = 1.0624 au 
 Jupiter MOID = 2.45396 au 
 T_jup = 3.558 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.3   n/a MPO450167  

277388 (2005 UG123)          Discovered 2005-Oct-24 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Alternate Designations
 2005 UG123 = 1994 RL4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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