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18354 (1990 RK5)
Classification: Main-belt Asteroid          SPK-ID: 2018354
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2675265021473405 3.9905e-08  
a 2.863503812731335 9.9262e-09 au
q 2.097440653825748 1.1437e-07 au
i 4.694367000030449 3.8414e-06 deg
node 207.6752182568171 5.0224e-05 deg
peri 119.7844806919139 5.0688e-05 deg
M 63.79479835055433 5.6003e-06 deg
tp 2458686.862600938131
(2019-Jul-22.36260094)
2.7358e-05 TDB
period 1769.88510946977
4.85
9.2028e-06
2.52e-08
d
yr
n .2034030333798618 1.0576e-09 deg/d
Q 3.629566971636922 1.2582e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1345  
   data-arc span      12567 days (34.41 yr)  
   first obs. used      1985-09-07  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50913  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:24:05  

Additional Information
 Earth MOID = 1.09106 au 
 Jupiter MOID = 1.7781 au 
 T_jup = 3.242 
[ 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 14.3   n/a MPO502308  
diameter diameter 7.100 km 2.255 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.041   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

18354 (1990 RK5)          Discovered 1990-Sep-15 by Holt, H. E. at Palomar
Reference: 20001111/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
1919-Dec-05 10:49 00:02 Jupiter 1.75582844006957 1.75582805888669 1.75582882125252 0.757110447513883 n/a 2422297.950618001 1.52453192908628 109.728677142634 18.8080641381336 -88.5423154412425 13957523.173365 F 27 CATAB v2.0f-lin.ifort 2020-Feb-22 22:24:23 2020-Feb-22 22:24
1944-Aug-04 06:13 00:01 Jupiter 1.82002628473253 1.82002574021118 1.82002682925413 0.941016591314677 n/a 2431306.759072962 1.09775590564781 63.9810925982201 22.0734019123324 74.7328412341502 11948941.4561136 F 27 CATAB v2.0f-lin.ifort 2020-Feb-22 22:24:23 2020-Feb-22 22:24
2026-Apr-10 15:25 < 00:01 Jupiter 1.82061513322847 1.82061471475081 1.82061555172702 1.13726699583189 0.602409109136652 2461141.142218874 0.331382758149233 1013.76220560113 167.443377500791 -29.7641764918112 4421919.5734601 T 27 CATAB v2.0f-lin.ifort 2020-Feb-22 22:24:23 2020-Feb-22 22:24
2050-Dec-12 01:05 < 00:01 Jupiter 1.75781997952336 1.75781958730498 1.75782037174175 0.717516642469225 n/a 2470152.545146328 0.710639301577855 44.9834606194962 19.5560914051648 -89.5800693932039 13442803.7240472 F 27 CATAB v2.0f-lin.ifort 2020-Feb-22 22:24:23 2020-Feb-22 22:24
2075-Aug-15 16:51 00:01 Jupiter 1.92097345228109 1.92097267116593 1.92097423339712 1.4308207743884 1.07952771178313 2479165.201874027 1.18498404845447 249.97243517822 119.6168449928 27.129677135871 1288659.16742742 T 27 CATAB v2.0f-lin.ifort 2020-Feb-22 22:24:23 2020-Feb-22 22:24
2132-Aug-10 06:36 00:02 Jupiter 1.93163441960775 1.9316332123394 1.93163562687314 1.78670014611252 1.52160985807334 2499978.774677251 2.16890649588025 128.581257061829 44.0665443656508 -13.428452836011 709508.908126852 T 27 CATAB v2.0f-lin.ifort 2020-Feb-22 22:24:23 2020-Feb-22 22:24
2157-Apr-22 21:52 00:02 Jupiter 1.77062908303512 1.77062852725048 1.7706296388211 0.763592799885814 n/a 2509000.411015168 2.47208147215399 101.741756565018 17.2696556269234 -77.514618316466 14981719.8012914 F 27 CATAB v2.0f-lin.ifort 2020-Feb-22 22:24:23 2020-Feb-22 22:24
2181-Dec-20 05:09 00:03 Jupiter 1.81360083271267 1.81359981096255 1.81360185445464 1.05118589378016 0.413416940372095 2518007.714306206 2.9086898070461 6179.07481389219 506.607310685894 0.939731767982901 574885.394420589 T 27 CATAB v2.0f-lin.ifort 2020-Feb-22 22:24:23 2020-Feb-22 22:24

Alternate Designations
 1990 RK5 = 1995 UT5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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