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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1859998694043162 6.5804e-08  
a 3.12572302522485 3.5806e-08 au
q 2.544338950738964 2.2305e-07 au
i 15.35916474782781 8.2704e-06 deg
node 231.7483284840006 1.7592e-05 deg
peri 46.21008891512385 2.8202e-05 deg
M 332.5040199731861 1.8404e-05 deg
tp 2459154.666803443134
(2020-Nov-01.16680344)
0.00010347 TDB
period 2018.478671624177
5.53
3.4684e-05
9.496e-08
d
yr
n .1783521446428386 3.0646e-09 deg/d
Q 3.707107099710737 4.2466e-08 au
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      6286 days (17.21 yr)  
   first obs. used      2003-05-03  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54848  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:45:40  

Additional Information
 Earth MOID = 1.55481 au 
 Jupiter MOID = 1.47838 au 
 T_jup = 3.133 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457810.5 (2017-Feb-26.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1848825883359782 6.5855e-08  
q 2.549343934695967 2.2326e-07 au
tp 2457134.954062246931
(2015-Apr-22.45406225)
0.00010626 TDB
node 231.7490370532721 1.7585e-05 deg
peri 46.11956108785099 2.8309e-05 deg
i 15.35803958365224 8.2699e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      219  
   data-arc span      6286 days (17.21 yr)  
   first obs. used      2003-05-03  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54848  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:45:40  

Additional Information
 Jupiter MOID = 1.47838 au 
 T_jup = 3.133 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.336862519638704E-15 -1.461330755551939E-14 -1.530834367985335E-12 2.603195595965264E-14 -3.507852821700435E-13 -1.896342266062803E-14
q -1.461330755551939E-14 4.984504296431988E-14 4.111429465705655E-12 -8.829075131882156E-14 1.022964539223838E-12 6.871580136314713E-14
tp -1.530834367985335E-12 4.111429465705655E-12 1.129095815154903E-8 -2.53272968960711E-11 2.355324050843523E-9 -5.656685556498573E-12
node 2.603195595965264E-14 -8.829075131882156E-14 -2.53272968960711E-11 3.092218513147087E-10 -3.031052204528663E-10 1.439451906632594E-11
peri -3.507852821700435E-13 1.022964539223838E-12 2.355324050843523E-9 -3.031052204528663E-10 8.013815964902033E-10 -1.442177350467249E-11
i -1.896342266062803E-14 6.871580136314713E-14 -5.656685556498573E-12 1.439451906632594E-11 -1.442177350467249E-11 6.839111469536737E-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 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

[ 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
1906-Dec-17 11:21 00:06 Jupiter 1.73568319702875 1.73567813571745 1.7356882583735 3.62295789824511 3.48565824897227 2417561.973107828 6.06012479292881 482.65924066276 99.8537513588645 57.3723524239967 1410176.7974577 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 19:45:40 2020-Nov-11 19:45
1917-Jun-13 08:44 00:05 Jupiter 1.51363614612529 1.51363360942438 1.51363868300698 4.20953170545645 4.07442856222032 2421392.863901710 4.71858678501243 879.978269587747 31.0094343119904 -82.1238852969726 1751379.29945631 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 19:45:40 2020-Nov-11 19:45
1990-Mar-22 05:55 00:02 Jupiter 1.8260559727624 1.82605442946429 1.82605751606237 3.30294856622268 3.15939268904528 2447972.746855394 1.72435720694833 212.822939790204 79.377329943049 82.2468442510749 1387928.17378706 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 19:45:40 2020-Nov-11 19:45
2000-Aug-30 12:25 < 00:01 Jupiter 1.4814652248587 1.48146440445358 1.48146604526735 4.18814345631192 4.049327433847 2451787.017038390 0.797087512391712 188.778369330326 28.1883142955101 -81.5367996072993 1766883.97366892 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 19:45:40 2020-Nov-11 19:45
2073-Jul-01 00:06 00:04 Jupiter 1.92510885774989 1.92510577249885 1.92511194301373 2.85609478393322 2.69764782427466 2478389.504147303 3.71014743382572 412.059017011501 124.627042529685 -67.5570913780584 1670792.85116149 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 19:45:40 2020-Nov-11 19:45
2083-Nov-12 21:17 00:03 Jupiter 1.47965572568629 1.479654969265 1.47965648211817 4.13918160007019 3.99849133735635 2482176.387056720 3.14733443620277 555.907252633095 33.7335330175015 -88.7109107781326 1750588.26801497 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 19:45:40 2020-Nov-11 19:45
2167-Jan-26 01:17 00:07 Jupiter 1.49140162883007 1.49140049063185 1.49140276722261 4.05794325663166 3.91548579439534 2512565.553158813 7.25266524809945 1174.22307964073 38.1359600096898 87.5798024691164 1682833.79305191 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 19:45:40 2020-Nov-11 19:45
2177-Jul-02 14:55 00:09 Jupiter 1.92766251159672 1.92765379781973 1.92767122547561 4.44258664810034 4.34255319278417 2516376.121257581 9.30747368326826 833.172251664391 42.6242722713626 -59.0038456539733 2233583.80304574 T 13 CATAB v2.0f-lin.ifort 2020-Nov-11 19:45:40 2020-Nov-11 19:45
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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