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296504 (2009 KM1)
Classification: Main-belt Asteroid          SPK-ID: 2296504
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1859998702846158 6.5986e-08  
a 3.125723029082777 3.647e-08 au
q 2.544338951127744 2.2337e-07 au
i 15.35916353908438 8.3874e-06 deg
node 231.7483344889688 1.9266e-05 deg
peri 46.21008420373653 2.9091e-05 deg
M 332.5040180357753 1.8732e-05 deg
tp 2459154.666814591395
(2020-Nov-01.16681459)
0.0001054 TDB
period 2018.478675361141
5.53
3.5326e-05
9.672e-08
d
yr
n .1783521443126416 3.1214e-09 deg/d
Q 3.707107107037809 4.3253e-08 au
  Orbit Determination Parameters
   # obs. used (total)      205  
   data-arc span      6254 days (17.12 yr)  
   first obs. used      2003-05-03  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54756  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 05:18:38  

Additional Information
 Earth MOID = 1.55481 au 
 Jupiter MOID = 1.47838 au 
 T_jup = 3.133 
[ 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 15.8   n/a MPO471126  

296504 (2009 KM1)          Discovered 2009-May-18 by Lowe, A. at Mayhill
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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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
1906-Dec-17 11:21 00:06 Jupiter 1.73568290547793 1.73567769872388 1.73568811226651 3.62295821235177 3.48565855193445 2417561.972944221 6.19517707737142 492.027839651742 101.402938769233 57.0024190859299 1401082.70496968 T 12 CATAB v2.0f-lin.ifort 2020-Jun-24 05:18:52 2020-Jun-24 05:18
1917-Jun-13 08:44 00:05 Jupiter 1.51363625267888 1.51363366296408 1.51363884258383 4.20953142941463 4.07442828669365 2421392.863770524 4.82096067772167 901.329818416062 31.0517703871566 -82.1330899660468 1724406.96326893 T 12 CATAB v2.0f-lin.ifort 2020-Jun-24 05:18:52 2020-Jun-24 05:18
1990-Mar-22 05:55 00:02 Jupiter 1.82605583255647 1.82605421862475 1.82605744649006 3.30294861081267 3.1593927243886 2447972.746822039 1.7598075060305 213.99623335763 82.8382472007455 81.8418976399661 1386717.71905439 T 12 CATAB v2.0f-lin.ifort 2020-Jun-24 05:18:52 2020-Jun-24 05:18
2000-Aug-30 12:25 < 00:01 Jupiter 1.4814652302762 1.48146440853271 1.4814660520234 4.18814317319528 4.0493271415411 2451787.017031073 0.811201016018375 194.958681085108 28.5310600259664 -81.8712852224665 1748637.593512 T 12 CATAB v2.0f-lin.ifort 2020-Jun-24 05:18:52 2020-Jun-24 05:18
2073-Jul-01 00:06 00:04 Jupiter 1.92510887947856 1.92510574526226 1.92511201370777 2.85609444714732 2.69764746954847 2478389.504247610 3.78887309168385 414.230108012382 127.480912031881 -67.3117124284538 1645794.89356739 T 12 CATAB v2.0f-lin.ifort 2020-Jun-24 05:18:52 2020-Jun-24 05:18
2083-Nov-12 21:18 00:03 Jupiter 1.47965570003306 1.47965493942906 1.47965646064858 4.13918124146283 3.998490963649 2482176.387160065 3.22145681812319 567.780509013601 33.7673091290545 -88.7130331665983 1726850.58944601 T 12 CATAB v2.0f-lin.ifort 2020-Jun-24 05:18:52 2020-Jun-24 05:18
2167-Jan-26 01:17 00:07 Jupiter 1.49140163310401 1.49140048412307 1.49140278228976 4.05794280499179 3.91548532673909 2512565.553368392 7.41652787810424 1199.59592899573 38.1955981243632 87.5916063979455 1660268.46234597 T 12 CATAB v2.0f-lin.ifort 2020-Jun-24 05:18:52 2020-Jun-24 05:18
2177-Jul-02 14:55 00:10 Jupiter 1.9276622053831 1.9276533199057 1.92767109096712 4.44258620952103 4.34255272802833 2516376.121512166 9.51108342350179 851.221547637045 42.8677574479263 -59.0661613684043 2186175.09357605 T 12 CATAB v2.0f-lin.ifort 2020-Jun-24 05:18:52 2020-Jun-24 05:18
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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