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JPL Small-Body Database Browser
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154242 (2002 KR2)
Classification: Main-belt Asteroid          SPK-ID: 2154242
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2778065408715388 4.1982e-08  
a 3.139410909769514 2.0764e-08 au
q 2.267262024552074 1.3519e-07 au
i 2.090610860562836 5.8386e-06 deg
node 204.6372043114499 0.00013875 deg
peri 73.71083160821567 0.00013952 deg
M 50.89051325998135 1.0178e-05 deg
tp 2458713.286399152607
(2019-Aug-17.78639915)
5.78e-05 TDB
period 2031.751886188373
5.56
2.0157e-05
5.519e-08
d
yr
n .1771869894386419 1.7579e-09 deg/d
Q 4.011559794986954 2.6533e-08 au
  Orbit Determination Parameters
   # obs. used (total)      315  
   data-arc span      7611 days (20.84 yr)  
   first obs. used      1998-10-18  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58755  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:37:20  

Additional Information
 Earth MOID = 1.25194 au 
 Jupiter MOID = 1.15082 au 
 T_jup = 3.149 
[ 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 15.7   n/a MPO436780  

154242 (2002 KR2)          Discovered 2002-May-18 by NEAT at Palomar
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ 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
1955-Aug-16 12:45 00:03 Jupiter 1.70429498600472 1.70429252303141 1.70429744898278 0.939299696269256 n/a 2435336.031064978 2.89911058560856 200.588558671193 54.9872548788178 55.2981412413371 3878733.58165224 F 16 CATAB v2.0f-lin.ifort 2019-Sep-24 03:37:22 2019-Sep-24 03:37
1966-Mar-09 03:42 00:02 Jupiter 1.16922407016858 1.16922330050862 1.16922483982891 0.588039900133924 n/a 2439193.654386378 1.67915840917804 197.668478671766 37.8381118698259 88.1020268803484 4618340.65104244 F 16 CATAB v2.0f-lin.ifort 2019-Sep-24 03:37:22 2019-Sep-24 03:37
1976-Nov-24 23:24 00:01 Jupiter 1.37502710128007 1.37502606142372 1.37502814114371 0.723937697168517 n/a 2443107.475070653 1.34153857521186 193.58001271892 27.626858677814 76.7602340378895 7249279.36603311 F 16 CATAB v2.0f-lin.ifort 2019-Sep-24 03:37:22 2019-Sep-24 03:37
2062-Jan-01 20:41 00:02 Jupiter 1.44453098687569 1.44452914114759 1.44453283438362 0.263927420739952 n/a 2474191.361952753 1.77782429199653 2890.48265104443 44.5463004700175 88.4021029169825 4847609.007803 F 16 CATAB v2.0f-lin.ifort 2019-Sep-24 03:37:22 2019-Sep-24 03:37
2072-Sep-22 11:08 00:02 Jupiter 1.15984597819643 1.15984527422828 1.15984668219809 0.564582720259631 n/a 2478107.963707641 1.88690862077632 370.857223791903 18.9416017861644 85.4228665265038 9127363.06472172 F 16 CATAB v2.0f-lin.ifort 2019-Sep-24 03:37:22 2019-Sep-24 03:37
2083-Apr-13 08:46 00:04 Jupiter 1.61970937466933 1.61970595451767 1.61971279477845 1.44807641390777 1.02519796094983 2481962.865189318 3.57677771911767 1032.77213407223 108.721074426143 -8.78874437159487 410185.478058281 T 16 CATAB v2.0f-lin.ifort 2019-Sep-24 03:37:22 2019-Sep-24 03:37
2158-Jan-09 20:30 00:06 Jupiter 1.89091771804988 1.89091204699604 1.89092338903299 1.62684548088605 1.32315573787789 2509262.354316679 6.16591520205545 630.35522763876 106.157210752236 -2.36033450109319 166706.101446642 T 16 CATAB v2.0f-lin.ifort 2019-Sep-24 03:37:22 2019-Sep-24 03:37
2168-Jul-04 12:59 00:05 Jupiter 1.27240053956584 1.27239692020464 1.27240415892933 0.307085426193317 n/a 2513091.041095778 5.4717785211283 228.278241220713 143.276612459159 -51.8602110407575 1164439.77193859 F 16 CATAB v2.0f-lin.ifort 2019-Sep-24 03:37:22 2019-Sep-24 03:37
2179-Apr-12 23:18 00:06 Jupiter 1.25347646200323 1.25347252464544 1.25348040257273 0.492106322617649 n/a 2517025.470709913 6.41273260017934 3183.92358507878 18.3510872181786 86.4785376103203 10195126.8700513 F 16 CATAB v2.0f-lin.ifort 2019-Sep-24 03:37:22 2019-Sep-24 03:37
2189-Sep-17 12:38 00:08 Jupiter 1.85009727743551 1.85008979039696 1.85010476446334 2.57488632913551 2.3904785583746 2520836.026340412 8.33447430609229 375.150604015122 18.0512710803301 -71.9360217534554 906123.206789659 T 16 CATAB v2.0f-lin.ifort 2019-Sep-24 03:37:22 2019-Sep-24 03:37
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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