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152212 (2005 RG)
Classification: Main-belt Asteroid          SPK-ID: 2152212
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1490168027460577 8.125e-08  
a 2.336142077279224 2.3301e-08 au
q 1.98801765416254 1.9758e-07 au
i 7.14381106231829 7.2494e-06 deg
node 121.1953506102858 6.2655e-05 deg
peri 220.6904144797295 6.6991e-05 deg
M 22.64323786638451 2.8102e-05 deg
tp 2457518.467993867089
(2016-May-09.96799387)
0.00010107 JED
period 1304.209335348167
3.57
1.9512e-05
5.342e-08
d
yr
n .2760293077521145 4.1297e-09 deg/d
Q 2.684266500395907 2.6773e-08 au
  Orbit Determination Parameters
   # obs. used (total)      274  
   data-arc span      6128 days (16.78 yr)  
   first obs. used      1998-09-21  
   last obs. used      2015-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .61584  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-26 07:48:53  

Additional Information
 Earth MOID = .984369 au 
 Jupiter MOID = 2.6833 au 
 T_jup = 3.542 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4 mag n/a MPO345231  
rotation period rot_per 7.27 h n/a LCDB (Rev. 2016-February); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]

152212 (2005 RG)          Discovered 2005-Sep-01 by Young, J. W. at Wrightwood
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Alternate Designations
 2005 RG = 2004 FD116 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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