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18017 (1999 JC124)
Classification: Main-belt Asteroid          SPK-ID: 2018017
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2392770363509956 4.4315e-08  
a 2.720268142018343 1.4272e-08 au
q 2.069370442916165 1.1973e-07 au
i 9.631722250150895 5.1067e-06 deg
node 233.3889616986989 2.5742e-05 deg
peri 13.0337304348982 2.7469e-05 deg
M 250.2893534990255 1.2838e-05 deg
tp 2459499.915794765680
(2021-Oct-12.41579477)
6.0494e-05 TDB
period 1638.762434182244
4.49
1.2897e-05
3.531e-08
d
yr
n .2196779670383663 1.7288e-09 deg/d
Q 3.371165841120521 1.7687e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1705  
   data-arc span      14152 days (38.75 yr)  
   first obs. used      1981-05-05  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46982  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:17:25  

Additional Information
 Earth MOID = 1.05742 au 
 Jupiter MOID = 1.66243 au 
 T_jup = 3.297 
[ 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 13.4   n/a MPO458990  
diameter diameter 7.145 km 0.185 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.0300 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Owings, L.E. (2018) Minor Planet Bull. 45, 227-231.]
geometric albedo albedo 0.138   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18017 (1999 JC124)          Discovered 1999-May-14 by LINEAR at Socorro
Reference: 20001013/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
1929-Dec-25 18:13 00:02 Jupiter 1.7224648192959 1.72246372684114 1.7224659117532 2.59932231348862 2.40270180784787 2425971.258859831 1.70241007161336 231.747275978415 55.6110450728782 85.1286051269883 2244790.04283042 T 30 CATAB v2.0f-lin.ifort 2020-Feb-22 22:17:38 2020-Feb-22 22:17
1966-Jan-12 21:47 00:01 Jupiter 1.89962491250389 1.89962386198739 1.8996259630217 2.51692859996347 2.33305612428707 2439138.407649427 1.07442201957519 227.429010521234 45.4590794974396 -81.8978460877739 2115896.31741256 T 30 CATAB v2.0f-lin.ifort 2020-Feb-22 22:17:38 2020-Feb-22 22:17
2023-Jun-07 02:57 < 00:01 Jupiter 1.86496943020184 1.86496894957641 1.86496991082727 2.57029716942751 2.38706462261097 2460102.623218051 0.298317869571121 63.6147244662258 26.529969778878 -81.783477740899 2156412.79771657 T 30 CATAB v2.0f-lin.ifort 2020-Feb-22 22:17:38 2020-Feb-22 22:17
2059-Jun-23 06:17 00:01 Jupiter 1.71333074907106 1.7133300781826 1.71333141996282 2.61370793566469 2.4171730275794 2473267.761513645 1.03677306423755 166.473926922871 20.8665041102782 -78.8551888181449 2037662.31807023 T 30 CATAB v2.0f-lin.ifort 2020-Feb-22 22:17:38 2020-Feb-22 22:17
2095-Jun-17 21:56 00:02 Jupiter 1.65077388186302 1.65077343469744 1.65077432904005 2.63690065694774 2.43454973857643 2486411.414221685 1.81709643186057 352.825380906669 21.9114110265433 -87.1476741078578 2048743.6805829 T 30 CATAB v2.0f-lin.ifort 2020-Feb-22 22:17:38 2020-Feb-22 22:17
2131-Jun-06 15:38 00:03 Jupiter 1.66488807014486 1.66488718485108 1.66488895546628 2.59579244644143 2.39178292474985 2499548.151202264 2.83066332295457 458.911911810663 38.8039019869452 85.5358412015121 2063831.14222318 T 30 CATAB v2.0f-lin.ifort 2020-Feb-22 22:17:38 2020-Feb-22 22:17
2167-Jun-07 06:26 00:04 Jupiter 1.76755064442803 1.76754796960687 1.76755331926025 2.48521023342781 2.28426269214833 2512697.767740211 4.21037986077421 325.295425526302 105.921681987195 69.5252088834374 2116623.15801241 T 30 CATAB v2.0f-lin.ifort 2020-Feb-22 22:17:38 2020-Feb-22 22:17

Alternate Designations
 1999 JC124 = 1981 JW = 1986 RN8 = 1990 KV 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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