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74132 (1998 QN71)
Classification: Main-belt Asteroid          SPK-ID: 2074132
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1818407618293388 3.6299e-08  
a 2.320956591186627 8.4187e-09 au
q 1.898912076472425 8.1577e-08 au
i 6.039132547263265 3.9954e-06 deg
node 256.8342885931763 3.4648e-05 deg
peri 345.9710397535137 3.6245e-05 deg
M 186.2964939820679 1.1876e-05 deg
tp 2459823.667846907363
(2022-Sep-01.16784691)
4.4246e-05 TDB
period 1291.513510749121
3.54
7.027e-06
1.924e-08
d
yr
n .2787427285922761 1.5166e-09 deg/d
Q 2.743001105900828 9.9496e-09 au
  Orbit Determination Parameters
   # obs. used (total)      865  
   data-arc span      8197 days (22.44 yr)  
   first obs. used      1998-08-24  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53401  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:11:13  

Additional Information
 Earth MOID = .884992 au 
 Jupiter MOID = 2.28364 au 
 T_jup = 3.548 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457666.5 (2016-Oct-05.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1817096154155413 3.631e-08  
q 1.899504494209559 8.1604e-08 au
tp 2457240.943750503885
(2015-Aug-06.44375050)
3.9014e-05 TDB
node 256.8383727849186 3.4658e-05 deg
peri 346.058329427078 3.6253e-05 deg
i 6.037638064562399 3.9946e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      865  
   data-arc span      8197 days (22.44 yr)  
   first obs. used      1998-08-24  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53401  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:11:13  

Additional Information
 Jupiter MOID = 2.28364 au 
 T_jup = 3.548 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.318429647178069E-15 -2.954335084633179E-15 2.47527889010671E-13 2.848599403155944E-15 4.578457294239044E-14 -1.610827788880582E-15
q -2.954335084633179E-15 6.659253746127571E-15 -5.176965560183718E-13 -5.884537551830187E-15 -9.001211209644858E-14 3.673095463238399E-15
tp 2.47527889010671E-13 -5.176965560183718E-13 1.522130097739084E-9 1.877283272552764E-11 4.249195950073426E-10 -1.328572822888756E-12
node 2.848599403155944E-15 -5.884537551830187E-15 1.877283272552764E-11 1.201171269406706E-9 -1.188915313597832E-9 1.298871875004988E-11
peri 4.578457294239044E-14 -9.001211209644858E-14 4.249195950073426E-10 -1.188915313597832E-9 1.314300842510481E-9 -1.328591715563532E-11
i -1.610827788880582E-15 3.673095463238399E-15 -1.328572822888756E-12 1.298871875004988E-11 -1.328591715563532E-11 1.595671705312599E-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 15.7   n/a MPO337816  

74132 (1998 QN71)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QN71 = 1999 YJ12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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