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52819 (1998 QK104)
Classification: Main-belt Asteroid          SPK-ID: 2052819
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1608287186453187 3.4684e-08  
a 2.322994225503956 7.0096e-09 au
q 1.949390040795681 8.128e-08 au
i 5.828604610641563 3.7439e-06 deg
node 131.533911081077 3.1829e-05 deg
peri 184.5453034610842 3.3455e-05 deg
M 188.2593732998002 9.7348e-06 deg
tp 2460013.437493683148
(2023-Mar-09.93749368)
3.5423e-05 TDB
period 1293.214669081413
3.54
5.8534e-06
1.603e-08
d
yr
n .2783760566648324 1.26e-09 deg/d
Q 2.696598410212232 8.1369e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1326  
   data-arc span      8291 days (22.70 yr)  
   first obs. used      1998-08-26  
   last obs. used      2021-05-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5321  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:37:15  

Additional Information
 Earth MOID = .935161 au 
 Jupiter MOID = 2.58034 au 
 T_jup = 3.552 
[ 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 15.41   n/a MPCxxxxx  
rotation period rot_per 3.95 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.]

52819 (1998 QK104)          Discovered 1998-Aug-26 by Elst, E. W. at La Silla
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 QK104 = 1999 YF17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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