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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1889807494286795 6.0106e-08  
a 2.645673174472514 2.5523e-08 au
q 2.145691875217345 1.6939e-07 au
i 11.12312434671193 8.5617e-06 deg
node 275.4869123545886 3.1784e-05 deg
peri 94.02957314571925 4.2e-05 deg
M 267.0055562398417 2.8343e-05 deg
tp 2459006.529153753395
(2020-Jun-06.02915375)
0.00012731 TDB
period 1571.81966406735
4.30
2.2745e-05
6.227e-08
d
yr
n .2290339077884029 3.3143e-09 deg/d
Q 3.145654473727683 3.0346e-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 = 1.17905 au 
 Jupiter MOID = 2.48055 au 
 T_jup = 3.341 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456725.5 (2014-Mar-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1912842345403012 5.9886e-08  
q 2.136710530584431 1.6862e-07 au
tp 2457436.723380212246
(2016-Feb-18.22338021)
0.0001126 TDB
node 275.5781062053514 3.1845e-05 deg
peri 94.16419121749693 4.1765e-05 deg
i 11.11578336118146 8.558e-06 deg
  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
 Jupiter MOID = 2.48055 au 
 T_jup = 3.341 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.586372269186777E-15 -1.003933953223824E-14 -4.137609993502663E-12 1.69361860445908E-14 -8.693523870456134E-13 -1.745266024136099E-14
q -1.003933953223824E-14 2.843253108876372E-14 1.204994022566256E-11 -4.70861609506426E-14 2.511914757503216E-12 5.096253765609515E-14
tp -4.137609993502663E-12 1.204994022566256E-11 1.267882702109711E-8 -6.046843364838341E-11 3.058940877196512E-9 3.112793887446906E-11
node 1.69361860445908E-14 -4.70861609506426E-14 -6.046843364838341E-11 1.014114961146248E-9 -1.009426022433966E-9 1.539998213797926E-10
peri -8.693523870456134E-13 2.511914757503216E-12 3.058940877196512E-9 -1.009426022433966E-9 1.744280811660134E-9 -1.443750266408718E-10
i -1.745266024136099E-14 5.096253765609515E-14 3.112793887446906E-11 1.539998213797926E-10 -1.443750266408718E-10 7.323914897167715E-11

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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