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JPL Small-Body Database Browser
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461244 (2015 WQ15)
Classification: Main-belt Asteroid          SPK-ID: 2461244
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2989744284926544 6.5541e-08  
a 2.779724875888379 3.1482e-08 au
q 1.948658219752836 1.8894e-07 au
i 9.700324868496557 1.5299e-05 deg
node 59.49148732322946 5.1809e-05 deg
peri 306.655262898073 6.7251e-05 deg
M 25.02679256475321 3.3976e-05 deg
tp 2458882.819680046661
(2020-Feb-03.31968005)
0.00015892 TDB
period 1692.782447994039
4.63
2.8757e-05
7.873e-08
d
yr
n .2126676114976281 3.6128e-09 deg/d
Q 3.610791532023923 4.0894e-08 au
  Orbit Determination Parameters
   # obs. used (total)      89  
   data-arc span      6448 days (17.65 yr)  
   first obs. used      2001-11-09  
   last obs. used      2019-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59916  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:00:59  

Additional Information
 Earth MOID = .966199 au 
 Jupiter MOID = 1.9138 au 
 T_jup = 3.247 
[ 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 17.2   n/a MPO477196  

461244 (2015 WQ15)          Discovered 2001-Nov-09 by LINEAR at Socorro
Reference: Last Updated: 2016-02-25

[ 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
1957-Aug-26 08:37 00:03 Jupiter 1.90335269511815 1.90335161431029 1.90335377592342 1.57382379583854 1.25971791357414 2436076.859356654 3.14222183069326 797.519169991142 248.824180524955 77.0544180677579 642625.284645605 T 9 CATAB v2.0f-lin.ifort 2019-Sep-24 08:01:01 2019-Sep-24 08:01
2041-Apr-15 10:53 00:01 Jupiter 1.94158778904023 1.94158618798167 1.9415893901458 2.05971758490891 1.8357373289899 2466624.953489202 1.34994518908572 836.173256638826 65.412569292883 85.2411680637313 616988.789878626 T 9 CATAB v2.0f-lin.ifort 2019-Sep-24 08:01:01 2019-Sep-24 08:01
2063-Dec-20 06:17 00:02 Jupiter 1.93284935607876 1.93284795571921 1.93285075644533 1.33383241791284 0.950083852086864 2474908.761789521 2.45502318377888 1153.70621675242 394.802832117723 65.9800361740314 820675.553862538 T 9 CATAB v2.0f-lin.ifort 2019-Sep-24 08:01:01 2019-Sep-24 08:01
2147-Aug-13 16:44 00:06 Jupiter 1.89417940583039 1.89417835676752 1.89418045489218 1.79616187658396 1.5270412721627 2505460.197075352 6.32400863668976 788.428440016174 235.460904464807 87.5908106698873 462808.493267457 T 9 CATAB v2.0f-lin.ifort 2019-Sep-24 08:01:01 2019-Sep-24 08:01

Alternate Designations
 2015 WQ15 = 2001 WK6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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