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JPL Small-Body Database Browser
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48878 (1998 HQ118)
Classification: Main-belt Asteroid          SPK-ID: 2048878
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1480422915839341 3.5117e-08  
a 3.045096912815001 1.843e-08 au
q 2.594293787746705 1.0769e-07 au
i 16.06404565268756 4.2288e-06 deg
node 132.364741402979 1.6241e-05 deg
peri 343.377366461746 2.3266e-05 deg
M 64.29378504368292 1.578e-05 deg
tp 2458253.869639786485
(2018-May-15.36963979)
8.4724e-05 TDB
period 1940.886348378491
5.31
1.7621e-05
4.824e-08
d
yr
n .1854822670584299 1.6839e-09 deg/d
Q 3.495900037883296 2.1159e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1390  
   data-arc span      9462 days (25.91 yr)  
   first obs. used      1993-06-15  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47428  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:39:27  

Additional Information
 Earth MOID = 1.61428 au 
 Jupiter MOID = 1.60236 au 
 T_jup = 3.163 
[ 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 13.2   n/a MPO436125  

48878 (1998 HQ118)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HQ118 = 2000 QC191 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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