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11839 (1986 QX1)
Classification: Main-belt Asteroid          SPK-ID: 2011839
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09899970684209056 2.817e-08  
a 2.173263450351937 5.8692e-09 au
q 1.958111005876465 6.0824e-08 au
i 3.170942144347008 3.462e-06 deg
node 18.30811961018001 5.247e-05 deg
peri 266.5177885916145 5.6575e-05 deg
M 236.9079569451287 2.2793e-05 deg
tp 2459400.623878992701
(2021-Jul-05.12387899)
7.4546e-05 TDB
period 1170.218584910164
3.20
4.7405e-06
1.298e-08
d
yr
n .3076348339038187 1.2462e-09 deg/d
Q 2.388415894827409 6.4503e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2657  
   data-arc span      12353 days (33.82 yr)  
   first obs. used      1986-08-27  
   last obs. used      2020-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45586  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:56:56  

Additional Information
 Earth MOID = .944887 au 
 Jupiter MOID = 2.71754 au 
 T_jup = 3.678 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO449028  
diameter diameter 4.084 km 0.142 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 15.4350 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.320   0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

11839 (1986 QX1)          Discovered 1986-Aug-27 by Debehogne, H. at La Silla
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1986 QX1 = 1988 BK1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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