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30408 (2000 KW55)
Classification: Main-belt Asteroid          SPK-ID: 2030408
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03293142090493534 3.815e-08  
a 2.994852808095135 1.6288e-08 au
q 2.896228049723426 1.1712e-07 au
i 9.851843714877415 3.5399e-06 deg
node 88.55481280074565 2.9783e-05 deg
peri 151.177748073941 7.6113e-05 deg
M 33.00456469136437 7.0348e-05 deg
tp 2459222.946586951845
(2021-Jan-08.44658695)
0.00036987 TDB
period 1893.048106575498
5.18
1.5443e-05
4.228e-08
d
yr
n .1901694937120409 1.5514e-09 deg/d
Q 3.093477566466843 1.6824e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1487  
   data-arc span      8283 days (22.68 yr)  
   first obs. used      1997-11-05  
   last obs. used      2020-07-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49673  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 19:47:49  

Additional Information
 Earth MOID = 1.88605 au 
 Jupiter MOID = 1.93757 au 
 T_jup = 3.232 
[ 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 13.63   n/a E2021B10  
diameter diameter 4.426 km 0.325 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.846427 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.394   0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30408 (2000 KW55)          Discovered 2000-May-27 by LINEAR at Socorro
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

[ 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
1940-Jan-03 09:35 00:02 Jupiter 1.96300247636136 1.96300195106675 1.96300300165708 3.13803119363183 2.99737436362645 2429631.899117685 1.9446373084303 151.760281933566 16.5577103844768 -85.0539548845799 3100508.30709831 T 29 CATAB v2.0g-lin.ifort 2021-Jul-08 19:47:57 2021-Jul-08 19:47
1976-Dec-09 09:33 < 00:01 Jupiter 1.94006694327223 1.94006657154817 1.9400673149963 3.68174138621302 3.56118388774118 2443121.897879596 0.944344117378049 59.1788950119076 15.549423055716 -84.868137282763 3674511.62101641 T 29 CATAB v2.0g-lin.ifort 2021-Jul-08 19:47:57 2021-Jul-08 19:47
2022-Oct-30 11:22 < 00:01 Jupiter 1.98338307122375 1.9833826273029 1.9833835151446 3.18972124968583 3.05290070635656 2459882.973378335 0.306291574017728 49.5353007582962 16.3765553437512 89.8703249998786 3203139.87858294 T 29 CATAB v2.0g-lin.ifort 2021-Jul-08 19:47:57 2021-Jul-08 19:47
2059-Oct-07 06:36 00:01 Jupiter 1.92443240715171 1.92443201154823 1.92443280275518 3.57021987538479 3.44473322856251 2473373.775221013 1.15754918209329 66.5946574099453 16.0817225208304 -84.4551722595809 3257656.55948366 T 29 CATAB v2.0g-lin.ifort 2021-Jul-08 19:47:57 2021-Jul-08 19:47
2142-Aug-06 22:09 00:03 Jupiter 1.92201408302733 1.92201367149894 1.92201449455584 3.4953636146643 3.36692385762144 2503627.422834481 3.2584418630521 117.155553249103 16.5255821838256 -84.9620389271863 3005851.64435549 T 29 CATAB v2.0g-lin.ifort 2021-Jul-08 19:47:57 2021-Jul-08 19:47

Alternate Designations
 2000 KW55 = 1999 CM109 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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