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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 ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1818407615042953 3.6476e-08  
a 2.320956589903009 8.4592e-09 au
q 1.898912076176634 8.2048e-08 au
i 6.039132353500302 4.0141e-06 deg
node 256.8342863108237 3.552e-05 deg
peri 345.9710397201465 3.711e-05 deg
M 186.2964958888446 1.2048e-05 deg
tp 2459823.667839549760
(2022-Sep-01.16783955)
4.4869e-05 TDB
period 1291.513509677704
3.54
7.0607e-06
1.933e-08
d
yr
n .2787427288235164 1.5239e-09 deg/d
Q 2.743001103629385 9.9974e-09 au
  Orbit Determination Parameters
   # obs. used (total)      858  
   data-arc span      8181 days (22.40 yr)  
   first obs. used      1998-08-24  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5336  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 06:56:16  

Additional Information
 Earth MOID = .884992 au 
 Jupiter MOID = 2.28364 au 
 T_jup = 3.548 
[ 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 15.7   n/a MPO337816  

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

[ hide close-approach data ]
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
1903-Jan-10 19:13 00:01 Iris 0.031016809667069 0.0310019400616405 0.0310316880593014 8.29226957447736 8.29226955212608 2416125.300777952 1.07790530319189 1109.38867922042 50.829329135123 -48.1158992181718 68009.6239425629 T 22 CATAB v2.0f-lin.ifort 2021-Feb-24 06:56:17 2021-Feb-24 06:56
1977-Sep-25 03:03 00:07 Thisb 0.040936658248003 0.0409351991893569 0.0409381174169403 2.16628160080689 2.16628152392086 2443411.627344956 7.27716798181716 162.107903139374 49.6725229507592 69.9371442228595 116309.528878688 T 22 CATAB v2.0f-lin.ifort 2021-Feb-24 06:56:17 2021-Feb-24 06:56
1986-Jan-14 11:36 < 00:01 David 0.00959940295681066 0.00959532918970948 0.00960347674611616 7.91854841233142 7.91854821358779 2446444.983012320 0.423650272523136 204.433639209905 33.4741771948319 -6.64395186234796 8557.92329150962 T 22 CATAB v2.0f-lin.ifort 2021-Feb-24 06:56:17 2021-Feb-24 06:56
2057-Jan-15 02:17 < 00:01 Hebe 0.0397675279054208 0.0397604588236447 0.0397745978807801 8.91673914025352 8.91673912272187 2472378.594863039 0.544249552421089 462.747210607014 46.3352334216966 -40.631054328014 84162.6786959844 T 22 CATAB v2.0f-lin.ifort 2021-Feb-24 06:56:17 2021-Feb-24 06:56
2129-Aug-20 06:18 00:12 Thisb 0.0427932463333534 0.0427825181628774 0.0428039804627557 2.53652969527353 2.53652963245908 2498892.762843750 11.9704902100293 962.078074213303 56.5089014875907 -56.3852882771331 94284.9238502257 T 22 CATAB v2.0f-lin.ifort 2021-Feb-24 06:56:17 2021-Feb-24 06:56

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