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277249 (2005 RT30)
Classification: Main-belt Asteroid          SPK-ID: 2277249
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2777412650056901 4.5491e-08  
a 2.625921498177076 1.7724e-08 au
q 1.896594739467738 1.1566e-07 au
i 12.13903511609722 8.4463e-06 deg
node 296.8368792995085 2.3366e-05 deg
peri 98.21273156052771 2.9324e-05 deg
M 149.997245307602 1.9447e-05 deg
tp 2458352.907489355447
(2018-Aug-22.40748936)
7.909e-05 TDB
period 1554.250568761771
4.26
1.5736e-05
4.308e-08
d
yr
n .231622884517779 2.345e-09 deg/d
Q 3.355248256886413 2.2646e-08 au
  Orbit Determination Parameters
   # obs. used (total)      288  
   data-arc span      6718 days (18.39 yr)  
   first obs. used      2001-12-19  
   last obs. used      2020-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57329  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:19:45  

Additional Information
 Earth MOID = .948251 au 
 Jupiter MOID = 2.27213 au 
 T_jup = 3.316 
[ 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 16.6   n/a MPO268317  

277249 (2005 RT30)          Discovered 2005-Sep-11 by LONEOS at Anderson Mesa
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

Alternate Designations
 2005 RT30 = 2001 YC149 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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