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447238 (2005 US191)
Classification: Main-belt Asteroid          SPK-ID: 2447238
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1183019728868272 8.757e-08  
a 3.105265442855722 5.2165e-08 au
q 2.737906414628603 2.6119e-07 au
i 6.072441365411828 9.8496e-06 deg
node 42.15458580190042 7.4677e-05 deg
peri 26.26022935558915 8.5791e-05 deg
M 230.7430528011622 3.9748e-05 deg
tp 2459718.125588449367
(2022-May-18.62558845)
0.00022644 TDB
period 1998.694982671654
5.47
5.0363e-05
1.379e-07
d
yr
n .1801175282477511 4.5386e-09 deg/d
Q 3.472624471082842 5.8336e-08 au
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      4934 days (13.51 yr)  
   first obs. used      2005-10-27  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63111  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:08:34  

Additional Information
 Earth MOID = 1.75339 au 
 Jupiter MOID = 1.84005 au 
 T_jup = 3.201 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457243.5 (2015-Aug-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1227907538476702 8.9288e-08  
q 2.716706540656147 2.6986e-07 au
tp 2457715.828832342970
(2016-Nov-23.32883234)
0.0001975 TDB
node 42.39127312349965 7.415e-05 deg
peri 24.82126682413798 8.413e-05 deg
i 6.101946977367483 9.8894e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      116  
   data-arc span      4934 days (13.51 yr)  
   first obs. used      2005-10-27  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63111  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 11:08:34  

Additional Information
 Jupiter MOID = 1.84005 au 
 T_jup = 3.201 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.972268730955759E-15 -2.380228772344467E-14 -1.307007386093918E-12 1.070484030501019E-13 -4.337073353977937E-13 -8.452267553317253E-15
q -2.380228772344467E-14 7.282231801981223E-14 5.747693174459299E-12 -3.270686078840343E-13 1.564950255397726E-12 2.607775819042453E-14
tp -1.307007386093918E-12 5.747693174459299E-12 3.900675269688209E-8 -3.769237405418525E-11 7.892241110921336E-9 7.075739050367095E-12
node 1.070484030501019E-13 -3.270686078840343E-13 -3.769237405418525E-11 5.498288711391247E-9 -5.474475427506346E-9 9.320222995637343E-11
peri -4.337073353977937E-13 1.564950255397726E-12 7.892241110921336E-9 -5.474475427506346E-9 7.077861979981155E-9 -9.143770028835517E-11
i -8.452267553317253E-15 2.607775819042453E-14 7.075739050367095E-12 9.320222995637343E-11 -9.143770028835517E-11 9.780004074460264E-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 16.8   n/a MPO437739  

447238 (2005 US191)          Discovered 2005-Oct-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28

[ 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
1949-Dec-08 10:56 00:05 Jupiter 1.88940338686709 1.88940205994369 1.88940471379136 2.78773574734209 2.62199684310359 2433258.955549668 4.81391128954311 143.646727354917 24.6210616721149 82.8286875765205 966806.927363814 T 10 CATAB v2.0f-lin.ifort 2020-Feb-26 11:08:37 2020-Feb-26 11:08
1959-Oct-30 20:18 00:04 Jupiter 1.88261435570415 1.8826134382109 1.88261527319707 2.51190989645956 2.32590947179658 2436872.346068261 3.9948844319915 126.310724037027 17.7032000208879 80.4080281624607 1242640.76120575 T 10 CATAB v2.0f-lin.ifort 2020-Feb-26 11:08:37 2020-Feb-26 11:08
2020-Apr-16 05:19 < 00:01 Jupiter 1.84065466549543 1.84065374021313 1.84065559077732 2.32377539888926 2.11650251921722 2458955.721735649 0.727564782310584 88.5967262774487 10.1253679845429 77.5618788143887 1339596.1636367 T 10 CATAB v2.0f-lin.ifort 2020-Feb-26 11:08:37 2020-Feb-26 11:08
2030-Mar-21 02:55 00:01 Jupiter 1.98545924289632 1.98545813251284 1.98546035328014 2.92122472389182 2.77134048741437 2462581.621594172 1.22193411716683 138.868709911195 29.7673769696383 79.1170710782056 1251588.87568675 T 10 CATAB v2.0f-lin.ifort 2020-Feb-26 11:08:37 2020-Feb-26 11:08
2080-Oct-07 05:28 00:05 Jupiter 1.89750409734867 1.89750293417624 1.89750526052272 3.00650349354188 2.85417025231838 2481044.727543868 4.88823564867273 172.205981549954 30.2487400962856 86.1449836448062 1088626.38308062 T 10 CATAB v2.0f-lin.ifort 2020-Feb-26 11:08:37 2020-Feb-26 11:08
2090-Aug-25 18:36 00:06 Jupiter 1.86183105770253 1.86182968510871 1.8618324302956 2.38039556077169 2.18091766238559 2484654.274869232 5.58398404078168 137.56050882314 27.9571825359874 87.2713356192296 1031869.48195478 T 10 CATAB v2.0f-lin.ifort 2020-Feb-26 11:08:37 2020-Feb-26 11:08
2151-Feb-16 18:45 00:10 Jupiter 1.83739093945281 1.83738999766419 1.83739188124279 2.3754521560568 2.1727376635451 2506743.281587275 10.2448532205301 269.207840261355 35.7205226153324 -81.9886088665999 1215959.08649496 T 10 CATAB v2.0f-lin.ifort 2020-Feb-26 11:08:37 2020-Feb-26 11:08
2161-Jan-12 18:09 00:10 Jupiter 1.95330436118059 1.95330115785289 1.9533075645063 2.76809745384369 2.60673974570871 2510361.256502012 10.4028714887752 165.779421025027 57.8510195534803 60.2625798930481 532129.651004657 T 10 CATAB v2.0f-lin.ifort 2020-Feb-26 11:08:37 2020-Feb-26 11:08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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