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JPL Small-Body Database Browser
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74119 (1998 QH52)
Classification: Main-belt Asteroid          SPK-ID: 2074119
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0553688296985218 3.9925e-08  
a 2.455235917559885 1.1211e-08 au
q 2.319292378170818 9.644e-08 au
i 7.54096619145824 4.2213e-06 deg
node 319.045923474703 3.2065e-05 deg
peri 191.2208210234511 5.2686e-05 deg
M 335.3368938191023 4.2758e-05 deg
tp 2458696.768353026277
(2019-Aug-01.26835303)
0.00016716 TDB
period 1405.200416981624
3.85
9.6242e-06
2.635e-08
d
yr
n .2561912134735068 1.7546e-09 deg/d
Q 2.591179456948952 1.1831e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1681  
   data-arc span      11534 days (31.58 yr)  
   first obs. used      1987-10-02  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47332  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:39:19  

Additional Information
 Earth MOID = 1.33149 au 
 Jupiter MOID = 2.41222 au 
 T_jup = 3.479 
[ 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 13.9   n/a MPO333431  
diameter diameter 8.251 km 1.850 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.086   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

74119 (1998 QH52)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QH52 = 1994 PF12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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