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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1308249618444908 7.4712e-08  
a 2.245293759335812 1.4176e-08 AU
q 1.951553288941031 1.636e-07 AU
i 7.007239373789009 5.5764e-06 deg
node 318.6526021419615 5.3144e-05 deg
peri 52.51426000605004 5.7599e-05 deg
M 263.4931748447258 2.5691e-05 deg
tp 2457329.930426556403
(2015-Nov-03.43042656)
8.9357e-05 JED
period 1228.876334595946
3.36
1.1638e-05
3.186e-08
d
yr
n .2929505515446092 2.7744e-09 deg/d
Q 2.539034229730593 1.6031e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      829  
   data-arc span      20321 days (55.64 yr)  
   first obs. used      1958-11-11  
   last obs. used      2014-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48586  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:22:35  

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 Asteroid Lightcurve DataBase (Rev. 2014-Mar-01) 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 (809)
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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