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

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1480451493635852 4.3957e-08  
a 2.336529395628406 1.1803e-08 au
q 1.990617552260191 1.0185e-07 au
i 7.146346254897096 5.0531e-06 deg
node 121.1464908538534 3.9178e-05 deg
peri 220.6274618406954 4.2716e-05 deg
M 104.3800333208305 1.7861e-05 deg
tp 2458822.257582111502
(2019-Dec-04.75758211)
6.3746e-05 TDB
period 1304.53369392329
3.57
9.8848e-06
2.706e-08
d
yr
n .2759606759694541 2.091e-09 deg/d
Q 2.682441238996621 1.355e-08 au
  Orbit Determination Parameters
   # obs. used (total)      441  
   data-arc span      8155 days (22.33 yr)  
   first obs. used      1998-09-21  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57952  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:26:11  

Additional Information
 Earth MOID = .985839 au 
 Jupiter MOID = 2.69489 au 
 T_jup = 3.542 
[ 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 16.4   n/a MPO345231  
rotation period rot_per 7.27 h n/a LCDB (Rev. 2020-October); 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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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