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13503 (1988 RH6)
Classification: Main-belt Asteroid          SPK-ID: 2013503
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1308249643911422 7.2128e-08  
a 2.245293759776775 1.3697e-08 AU
q 1.951553283606324 1.5849e-07 AU
i 7.007239151038482 5.5745e-06 deg
node 318.6525881026521 5.2423e-05 deg
peri 52.51427469439852 5.6844e-05 deg
M 263.49317374938 2.4821e-05 deg
tp 2457329.930430392463
(2015-Nov-03.43043039)
8.623e-05 JED
period 1228.876334957962
3.36
1.1245e-05
3.079e-08
d
yr
n .2929505514583086 2.6806e-09 deg/d
Q 2.539034235947225 1.5489e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      856  
   data-arc span      20675 days (56.61 yr)  
   first obs. used      1958-11-11  
   last obs. used      2015-06-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48418  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 12:12:10  

Additional Information
 Earth MOID = .95927 AU 
 T_jup = 3.610 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0 mag n/a MPO279658  
rotation period rot_per 6.9 h n/a LCDB (Rev. 2015-May); 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:
[Polishook, D.; Ofek, E.O.; Waszczak, A.; Kulkarni, S.R.; et al. (2011). MNRAS 421, 2094-2108.]

13503 (1988 RH6)          Discovered 1988-Sep-06 by Debehogne, H. at La Silla
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1988 RH6 = 1958 VG = 1978 TA1 = 1985 VN5 = 1998 QQ9 = 1998 QT27 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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