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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1101235528413908 5.2565e-08  
a 2.333727165707501 1.5468e-08 au
q 2.076728838857322 1.2232e-07 au
i 3.814575946562778 6.2727e-06 deg
node 35.63961160469479 7.5057e-05 deg
peri 224.0974346470916 8.039e-05 deg
M 166.7990722105915 2.8279e-05 deg
tp 2458397.156443221645
(2018-Oct-05.65644322)
0.00010209 TDB
period 1302.187581511115
3.57
1.2946e-05
3.544e-08
d
yr
n .2764578660643042 2.7485e-09 deg/d
Q 2.59072549255768 1.7171e-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 = 1.0636 au 
 Jupiter MOID = 2.45394 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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