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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1306967250094888 5.8086e-08  
a 2.245275752672647 9.7291e-09 au
q 1.951825565055117 1.3197e-07 au
i 7.007002687153473 5.1741e-06 deg
node 318.6507782773057 4.2642e-05 deg
peri 52.45369584893644 4.6741e-05 deg
M 20.71586522187967 1.6862e-05 deg
tp 2457329.786304772258
(2015-Nov-03.28630477)
5.7569e-05 JED
period 1228.861551729937
3.36
7.9872e-06
2.187e-08
d
yr
n .2929540756590586 1.9041e-09 deg/d
Q 2.538725940290177 1.1001e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1120  
   data-arc span      20847 days (57.08 yr)  
   first obs. used      1958-11-11  
   last obs. used      2015-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47138  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:24:21  

Additional Information
 Earth MOID = .957636 au 
 Jupiter MOID = 2.92889 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 14.2 mag n/a MPO358761  
rotation period rot_per 6.9 h n/a LCDB (Rev. 2015-December); 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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