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JPL Small-Body Database Browser
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52786 (1998 QP42)
Classification: Main-belt Asteroid          SPK-ID: 2052786
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1901267177155564 4.8021e-08  
a 2.335926597256357 9.786e-09 au
q 1.891804540495537 1.1076e-07 au
i 3.437035052700347 5.3489e-06 deg
node 304.7010796848981 9.4595e-05 deg
peri .5114496900146666 9.6068e-05 deg
M 308.4387461956037 1.8558e-05 deg
tp 2458787.270457684767
(2019-Oct-30.77045768)
6.7868e-05 TDB
period 1304.028893897517
3.57
8.1946e-06
2.244e-08
d
yr
n .2760675025566514 1.7348e-09 deg/d
Q 2.780048654017177 1.1647e-08 au
  Orbit Determination Parameters
   # obs. used (total)      569  
   data-arc span      10073 days (27.58 yr)  
   first obs. used      1991-10-07  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60116  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:47:51  

Additional Information
 Earth MOID = .875924 au 
 Jupiter MOID = 2.45894 au 
 T_jup = 3.541 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO436153  
rotation period rot_per 144. h n/a LCDB (Rev. 2019-January); Warner et al., 2009 lower-limit; Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Szabo, R.; Pal, A.; Sarneczky, K.; Szabo, Gy.M.; et al. (2016) Astron. Astrophys. 596, A40.]

52786 (1998 QP42)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QP42 = 1991 TR2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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