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JPL Small-Body Database Browser
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245449 (2005 KE9)
Classification: Main-belt Asteroid          SPK-ID: 2245449
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05714678352901844 5.0583e-08  
a 3.186763131148492 4.6781e-08 au
q 3.004649868334492 1.5731e-07 au
i 10.08574918963871 7.3952e-06 deg
node 67.76065773191772 3.9134e-05 deg
peri 236.7719744099556 8.5836e-05 deg
M 175.6230201406518 7.6825e-05 deg
tp 2457986.817279552203
(2017-Aug-21.31727955)
0.00044566 TDB
period 2077.892630868934
5.69
4.5754e-05
1.253e-07
d
yr
n .1732524552288609 3.8149e-09 deg/d
Q 3.368876393962492 4.9454e-08 au
  Orbit Determination Parameters
   # obs. used (total)      270  
   data-arc span      6673 days (18.27 yr)  
   first obs. used      2001-10-16  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59225  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:43:06  

Additional Information
 Earth MOID = 2.00357 au 
 Jupiter MOID = 1.77214 au 
 T_jup = 3.171 
[ 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 15.3   n/a MPO334448  
diameter diameter 3.924 km 1.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.105   0.080 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

245449 (2005 KE9)          Discovered 2005-May-21 by NEAT at Palomar
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ 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
1906-Jan-19 16:05 00:06 Jupiter 1.77320075903027 1.77320002237127 1.7732014956931 3.62595696013515 3.49173365284764 2417230.169891113 6.44435089962151 236.171904064666 24.1739703997624 -83.9152236770782 1965350.1541977 T 18 CATAB v2.0f-lin.ifort 2020-Feb-25 09:43:07 2020-Feb-25 09:43
1916-Dec-02 15:25 00:06 Jupiter 1.84628992577663 1.84628829904549 1.84629155252457 3.76096340541168 3.63693629901305 2421200.142425343 5.98796435121519 336.352331559453 33.8127276074701 -77.940946520699 1773688.8203237 T 18 CATAB v2.0f-lin.ifort 2020-Feb-25 09:43:07 2020-Feb-25 09:43
2025-Sep-13 03:50 < 00:01 Jupiter 1.86691795016974 1.86691733893488 1.86691856140481 3.3313496259353 3.19225443176283 2460931.660009603 0.776967307100134 86.5876529792139 18.6815492435625 -78.3381869166641 2192047.95967762 T 18 CATAB v2.0f-lin.ifort 2020-Feb-25 09:43:07 2020-Feb-25 09:43
2036-Aug-01 06:19 00:01 Jupiter 1.78469198638292 1.78469129580415 1.78469267696168 3.65650436783802 3.52431774448882 2464906.762879149 1.47334742807807 99.441047317809 27.1608694902266 -83.6454448685702 1910540.59684096 T 18 CATAB v2.0f-lin.ifort 2020-Feb-25 09:43:07 2020-Feb-25 09:43
2047-Jun-15 00:28 00:02 Jupiter 1.85464838372292 1.85464731234414 1.85464945510423 3.87023442156222 3.7503745837522 2468876.519420598 2.24982370758387 176.137251022714 34.3509376503799 -78.2735078568205 1813348.28894454 T 18 CATAB v2.0f-lin.ifort 2020-Feb-25 09:43:07 2020-Feb-25 09:43
2156-Mar-26 13:59 00:09 Jupiter 1.87779364719094 1.87779153250794 1.87779576191065 3.28110746975802 3.14062409298578 2508608.082626777 8.7330917212267 449.488670024343 17.9755453484104 -74.2026564644746 2169871.08730268 T 18 CATAB v2.0f-lin.ifort 2020-Feb-25 09:43:07 2020-Feb-25 09:43
2167-Feb-10 00:51 00:09 Jupiter 1.79718195723787 1.79718128014534 1.7971826343304 3.68439581908223 3.55417510673893 2512580.535396575 9.30955996222227 314.206773786281 27.0534246906534 -87.2489580764899 1881858.93338214 T 18 CATAB v2.0f-lin.ifort 2020-Feb-25 09:43:07 2020-Feb-25 09:43
2177-Dec-25 12:29 00:10 Jupiter 1.86309454473489 1.86309170782817 1.86309738167655 3.97387730003239 3.85777613015408 2516552.020139148 10.3034471189356 451.002567395024 36.2224507035604 -73.3594783944651 1742983.50054976 T 18 CATAB v2.0f-lin.ifort 2020-Feb-25 09:43:07 2020-Feb-25 09:43

Alternate Designations
 2005 KE9 = 2007 YD4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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