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74115 (1998 QR48)
Classification: Main-belt Asteroid          SPK-ID: 2074115
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2941817426886912 3.8338e-08  
a 2.641836711712414 1.2848e-08 au
q 1.864656583961894 1.0602e-07 au
i 1.07470488192868 3.9038e-06 deg
node 282.8913286434532 0.00018832 deg
peri 51.3800666096383 0.00018844 deg
M 28.81552272000823 6.8306e-06 deg
tp 2458874.960213787023
(2020-Jan-26.46021379)
2.9234e-05 TDB
period 1568.401985131816
4.29
1.1441e-05
3.132e-08
d
yr
n .2295329918048681 1.6744e-09 deg/d
Q 3.419016839462933 1.6627e-08 au
  Orbit Determination Parameters
   # obs. used (total)      949  
   data-arc span      8176 days (22.38 yr)  
   first obs. used      1997-04-03  
   last obs. used      2019-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56354  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 17:11:13  

Additional Information
 Earth MOID = .854937 au 
 Jupiter MOID = 1.97345 au 
 T_jup = 3.331 
[ 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 14.9   n/a MPO347990  

74115 (1998 QR48)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QR48 = 1997 GG11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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