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74130 (1998 QC68)
Classification: Main-belt Asteroid          SPK-ID: 2074130
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1883649950876163 4.7556e-08  
a 2.643374080608036 1.9395e-08 au
q 2.145454934899572 1.2803e-07 au
i 11.1260628405521 7.4747e-06 deg
node 275.4844363557704 2.9156e-05 deg
peri 94.22455942347146 3.7428e-05 deg
M 358.4585523252278 2.1778e-05 deg
tp 2459007.221445072418
(2020-Jun-06.72144507)
9.4986e-05 TDB
period 1569.77123886354
4.30
1.7277e-05
4.73e-08
d
yr
n .2293327786159641 2.524e-09 deg/d
Q 3.141293226316501 2.3049e-08 au
  Orbit Determination Parameters
   # obs. used (total)      472  
   data-arc span      8085 days (22.14 yr)  
   first obs. used      1998-08-03  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57353  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 18:49:09  

Additional Information
 Earth MOID = 1.17967 au 
 Jupiter MOID = 2.48726 au 
 T_jup = 3.342 
[ 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 15.1   n/a MPO426449  

74130 (1998 QC68)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QC68 = 2002 LA21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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