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19565 (1999 KF4)
Classification: Main-belt Asteroid          SPK-ID: 2019565
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3011395023990233 2.0024e-08  
a 3.076370199259818 1.4538e-08 au
q 2.149953608259533 6.3426e-08 au
i 23.40688027545699 1.2161e-06 deg
node 247.2096655667019 1.3281e-06 deg
peri 54.97816407667794 6.4528e-06 deg
M 345.1095973402234 3.9451e-06 deg
tp 2459282.019266176675
(2021-Mar-08.51926618)
2.1955e-05 TDB
period 1970.862473912661
5.40
1.3971e-05
3.825e-08
d
yr
n .1826611469674538 1.2948e-09 deg/d
Q 4.002786790260104 1.8916e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1512  
   data-arc span      17503 days (47.92 yr)  
   first obs. used      1972-10-05  
   last obs. used      2020-09-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44597  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:58:20  

Additional Information
 Earth MOID = 1.2103 au 
 Jupiter MOID = 1.51492 au 
 T_jup = 3.037 
[ 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 12.64   n/a E2021B10  
diameter diameter 17.066 km 0.084 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.055   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

19565 (1999 KF4)          Discovered 1999-May-20 by LINEAR at Socorro
Reference: 20001211/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
1931-Mar-03 07:09 00:02 Jupiter 1.99250594420079 1.9925031534253 1.99250873498104 6.48949024501384 6.42364969272995 2426403.798200740 1.5692330579492 208.890241379773 12.2978018117019 48.426566697775 11188518.527546 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 02:58:53 2021-Apr-13 02:58
1941-Jul-28 09:38 00:01 Jupiter 1.67486527447585 1.67486360552258 1.67486694345692 6.06079410259736 5.97676949842517 2430203.901446817 1.4056115570703 355.65570737763 10.4525675443642 -76.5967452813855 11061349.3843625 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 02:58:53 2021-Apr-13 02:58
2001-Apr-08 16:39 < 00:01 Jupiter 1.5065225284655 1.50652218380899 1.50652287312294 6.05090561452357 5.95726321524286 2452008.193519940 0.29164186820211 73.4017899410645 9.19265090423831 -78.6632127159941 11796985.9062601 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 02:58:53 2021-Apr-13 02:58
2060-Nov-24 09:16 < 00:01 Jupiter 1.51600303276506 1.5160027033772 1.51600336215559 6.10830312868019 6.01613874517617 2473787.886014239 0.744586170193969 136.53194092287 10.7583522871673 84.9468896298859 10735958.3181884 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 02:58:53 2021-Apr-13 02:58
2120-Jul-25 04:40 00:02 Jupiter 1.694840996759 1.69483854615067 1.69484344738381 6.25005360928804 6.16957371011199 2495579.694185329 1.88485273950339 293.572031135091 11.9706428554197 65.6788467357238 10709980.9259696 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 02:58:53 2021-Apr-13 02:58
2130-Nov-20 09:45 00:03 Jupiter 1.99213665785645 1.99213291322071 1.99214040255979 6.1089265161244 6.03892517832324 2499349.905998451 2.72554426006382 613.035334619267 13.1352528215421 -72.3528255972758 9831912.08872945 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 02:58:53 2021-Apr-13 02:58
2190-Sep-06 03:15 00:03 Jupiter 1.67438941305959 1.67438595914081 1.67439286710839 6.01423917939492 5.92953066740594 2521189.635361488 3.22681250392101 762.207564474949 10.048355141253 -76.9965194560373 10937844.8826394 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 02:58:53 2021-Apr-13 02:58

Alternate Designations
 1999 KF4 = 1972 TB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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