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(2001 QL169)
Classification: Mars-crossing Asteroid          SPK-ID: 3102859
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5008899289788336 1.665e-06  
a 3.147428906108583 1.0059e-05 au
q 1.570913464861927 9.7686e-06 au
i 13.21060689277056 7.4365e-05 deg
node 107.7973108954322 0.00038753 deg
peri 216.8251573876906 0.0011813 deg
M 175.7841737838318 0.0016841 deg
tp 2458204.614081162688
(2018-Mar-27.11408116)
0.0047697 TDB
period 2039.540437936784
5.58
0.0097777
2.677e-05
d
yr
n .176510351696767 8.462e-07 deg/d
Q 4.723944347355238 1.5098e-05 au
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      4089 days (11.20 yr)  
   first obs. used      2001-08-03  
   last obs. used      2012-10-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .64184  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 21:08:06  

Additional Information
 Earth MOID = .577712 au 
 Jupiter MOID = .814387 au 
 T_jup = 2.964 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.8   n/a MPO241841  
diameter diameter 0.72 km 0.1 Fernandez et al. (2005) Astron.J. 130:308-318  
geometric albedo albedo 0.107   0.033 Fernandez et al. (2005) Astron.J. 130:308-318  

[ 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
1943-Sep-10 16:07 00:41 Jupiter 0.740796659034627 0.740731486773609 0.740861836247292 4.20021493702825 3.91854786446823 2430978.171608725 41.462321449322 4545.27481719309 565.957999100119 44.3150895707211 156189.711166018 T 4 CATAB v2.0g-lin.ifort 2021-Apr-14 21:08:06 2021-Apr-14 21:08
1955-Aug-07 19:00 00:19 Jupiter 1.82776120553623 1.82767450723083 1.82784790387405 6.83870880157799 6.77060532938833 2435327.291824045 18.5800793186991 4340.66432309436 336.442270204252 -0.410179996877076 79382.5160301783 T 4 CATAB v2.0g-lin.ifort 2021-Apr-14 21:08:06 2021-Apr-14 21:08
2014-Dec-02 21:40 00:32 Jupiter 0.772644198238361 0.77260900700809 0.772679391562067 4.13252558146247 3.85813924171104 2456994.402956421 31.5689574381454 2830.69599447502 549.592368688512 39.4635951760889 241994.671566607 T 4 CATAB v2.0g-lin.ifort 2021-Apr-14 21:08:06 2021-Apr-14 21:08
2026-Dec-05 22:15 00:12 Jupiter 1.6464601010326 1.64591947143158 1.64700073430163 6.18557545893491 6.10183926428863 2461380.426982292 12.0291729182908 27238.693510532 183.174477596345 -14.6928299289385 148860.442997885 T 4 CATAB v2.0g-lin.ifort 2021-Apr-14 21:08:06 2021-Apr-14 21:08
2086-Mar-22 18:36 00:52 Jupiter 1.00115796678388 1.00055681058715 1.00175909664073 4.93380527345924 4.75923826185712 2483037.274745618 52.3814690247612 28813.9888939959 470.082752186857 -13.6217098911106 41496.5986756737 T 4 CATAB v2.0g-lin.ifort 2021-Apr-14 21:08:06 2021-Apr-14 21:08
2098-Feb-27 16:28 02:58 Jupiter 1.0392995618926 1.0385784062721 1.04002069439873 3.98773570436458 3.77783652504248 2487397.186341224 178.083053692361 35037.1758497455 441.42987901222 -20.0316128072097 51038.0933535008 T 4 CATAB v2.0g-lin.ifort 2021-Apr-14 21:08:06 2021-Apr-14 21:08
2157-Sep-01 19:31 00:55 Jupiter 1.70912350173061 1.70843638873599 1.7098106240404 7.10037669969468 7.0302326863275 2509132.313397239 55.3987298778491 34841.7854245657 427.073856153894 -14.8721331785396 95715.6308893153 T 4 CATAB v2.0g-lin.ifort 2021-Apr-14 21:08:06 2021-Apr-14 21:08
2169-Apr-27 11:11 01:19 Jupiter 0.849938061371787 0.849807751704446 0.85006838413133 3.57247991900193 3.28168758260357 2513387.966212354 78.5883865666103 8609.0917891632 384.708975852751 -31.3239063407183 868337.075712568 T 4 CATAB v2.0g-lin.ifort 2021-Apr-14 21:08:06 2021-Apr-14 21:08
2181-May-17 12:30 00:41 Jupiter 1.98216351664309 1.98154315942404 1.9827838876683 7.6702692498753 7.61435394034296 2517791.020489492 41.1869572447148 32023.6744665709 522.650608924943 -17.2832267997613 128738.886148768 T 4 CATAB v2.0g-lin.ifort 2021-Apr-14 21:08:06 2021-Apr-14 21:08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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