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56246 (1999 JK72)
Classification: Main-belt Asteroid          SPK-ID: 2056246
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2320346762429505 3.15e-08  
a 2.598127045029535 1.0978e-08 au
q 1.995271477298053 8.1136e-08 au
i 6.164176236202652 3.7742e-06 deg
node 127.8759294539733 4.7532e-05 deg
peri 7.378209378859643 4.9079e-05 deg
M 71.63398574126246 1.3365e-05 deg
tp 2458696.127355394417
(2019-Jul-31.62735539)
5.5611e-05 TDB
period 1529.639191846522
4.19
9.6948e-06
2.654e-08
d
yr
n .2353496183406636 1.4916e-09 deg/d
Q 3.200982612761017 1.3525e-08 au
  Orbit Determination Parameters
   # obs. used (total)      758  
   data-arc span      8295 days (22.71 yr)  
   first obs. used      1997-10-29  
   last obs. used      2020-07-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54669  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:00:12  

Additional Information
 Earth MOID = 1.00955 au 
 Jupiter MOID = 1.84402 au 
 T_jup = 3.369 
[ 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 MPO468453  
diameter diameter 4.235 km 1.193 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.052   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

56246 (1999 JK72)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20030318/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
1950-Aug-04 03:12 00:01 Jupiter 1.8464970220349 1.846496616125 1.84649742794795 1.70169717268188 1.40653335603557 2433497.633215399 1.19689905822308 157.565294607074 64.4611394091035 -88.207010913484 2100717.66247831 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 23:00:14 2020-Nov-12 23:00
2008-Nov-29 09:26 < 00:01 Jupiter 1.97085522353363 1.97085483637251 1.97085561069476 1.8825547182802 1.6384334230121 2454799.893046283 0.2527783652944 69.5332281087767 36.1232373630781 82.0180061860927 2261539.18325655 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 23:00:14 2020-Nov-12 23:00
2022-Jan-19 20:38 < 00:01 Jupiter 1.87517640818986 1.87517604258502 1.87517677379492 1.75205732345302 1.47183530922746 2459599.359559307 0.196111232108381 72.4543742036734 48.8173301250765 59.8194604817587 2043742.07050584 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 23:00:14 2020-Nov-12 23:00
2080-May-17 04:00 00:01 Jupiter 1.9024448234975 1.90244425478385 1.90244539221094 1.77146408146113 1.49920917097615 2480901.666480585 1.09379730431212 80.7222449258509 48.6986964270367 79.7743555444323 1984375.04868222 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 23:00:14 2020-Nov-12 23:00
2093-Jul-09 08:00 00:01 Jupiter 1.92769892816364 1.9276983750635 1.92769948126564 1.87231559381587 1.62073267100773 2485702.833370985 1.3626550469146 129.774524288485 37.2932803831039 84.812289774003 2103522.70286726 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 23:00:14 2020-Nov-12 23:00
2151-Nov-03 15:28 00:02 Jupiter 1.85837605512446 1.85837538195434 1.85837672829647 1.70088432925766 1.40763444080887 2507003.144518646 2.31083729043965 158.658896820456 61.3277210076122 83.8702080378969 2072713.68412496 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 23:00:14 2020-Nov-12 23:00
2164-Dec-28 03:53 00:03 Jupiter 1.99815352638068 1.9981522115885 1.99815484117821 2.08815068952159 1.87418463907232 2511806.661603685 2.64505629429748 200.777990385591 20.5180593506424 87.6132500333342 1934274.02542042 T 21 CATAB v2.0f-lin.ifort 2020-Nov-12 23:00:14 2020-Nov-12 23:00

Alternate Designations
 1999 JK72 = 2001 TE146 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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