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JPL Small-Body Database Browser
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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1883649976358407 6.0044e-08  
a 2.643374076582598 2.5089e-08 au
q 2.145454924896474 1.6872e-07 au
i 11.12606279129149 8.5672e-06 deg
node 275.4844437374708 3.1779e-05 deg
peri 94.22451130629055 4.2135e-05 deg
M 358.4585904923085 2.9343e-05 deg
tp 2459007.221278630439
(2020-Jun-06.72127863)
0.00012801 TDB
period 1569.771235277772
4.30
2.2348e-05
6.119e-08
d
yr
n .2293327791398202 3.2649e-09 deg/d
Q 3.141293228268721 2.9814e-08 au
  Orbit Determination Parameters
   # obs. used (total)      412  
   data-arc span      7204 days (19.72 yr)  
   first obs. used      1998-08-03  
   last obs. used      2018-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61734  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 04:44:42  

Additional Information
 Earth MOID = 1.17967 au 
 Jupiter MOID = 2.48726 au 
 T_jup = 3.342 
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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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1926-May-13 19:18 00:04 Amphi 0.0433824031573807 0.0433782163880246 0.0433866034875304 4.96670840619529 4.96670837951499 2424649.304460443 3.89240213677764 1274.91812228338 57.5398180996163 -80.9225095064942 111341.859183712 T 11 CATAB v2.0e-lin.ifort 2018-May-07 04:44:45 2018-Dec-17 17:13

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