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18558 (1997 CO19)
Classification: Main-belt Asteroid          SPK-ID: 2018558
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09237991040997304 4.2285e-08  
a 3.151135124610901 1.7224e-08 au
q 2.860033544109626 1.3296e-07 au
i 6.317186584836625 4.3547e-06 deg
node 62.95868283235598 3.9938e-05 deg
peri 155.8984466490658 4.6251e-05 deg
M 65.86632878934584 2.2157e-05 deg
tp 2459022.682245984428
(2020-Jun-22.18224598)
0.00012661 TDB
period 2043.143954113533
5.59
1.6751e-05
4.586e-08
d
yr
n .1761990383865021 1.4446e-09 deg/d
Q 3.442236705112175 1.8815e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1316  
   data-arc span      17786 days (48.70 yr)  
   first obs. used      1972-10-09  
   last obs. used      2021-06-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5419  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:01:31  

Additional Information
 Earth MOID = 1.85388 au 
 Jupiter MOID = 1.53252 au 
 T_jup = 3.192 
[ 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 13.91   n/a E2021B10  
diameter diameter 8.424 km 0.224 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.082   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18558 (1997 CO19)          Discovered 1997-Feb-06 by Urata, T. at Oohira
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
1917-Nov-19 09:06 00:02 Jupiter 1.68384647354647 1.68384532959331 1.68384761750173 2.51702272444236 2.30853778350435 2421551.879112506 2.38275658495542 127.476245484555 11.8557249084281 -72.9317655569597 2127164.57625965 T 24 CATAB v2.0g-lin.ifort 2021-Jul-08 18:01:37 2021-Jul-08 18:01
1928-Apr-01 19:19 00:02 Jupiter 1.53698941211475 1.53698884172241 1.53698998251339 1.93709869605803 1.62793348565121 2425338.305100103 2.12819397384805 237.077890589406 39.7295963830651 -83.7246838443489 1886278.50198314 T 24 CATAB v2.0g-lin.ifort 2021-Jul-08 18:01:37 2021-Jul-08 18:01
1938-Jul-29 05:23 00:02 Jupiter 1.86253686608934 1.86253589717624 1.86253783500276 2.82086878073869 2.65476257074458 2429108.724402470 1.83961977039461 83.0412172329767 21.8203716558445 -75.7523635612497 2378317.947661 T 24 CATAB v2.0g-lin.ifort 2021-Jul-08 18:01:37 2021-Jul-08 18:01
2001-Nov-13 11:05 < 00:01 Jupiter 1.94099475317565 1.94099429219256 1.94099521415885 3.15528743501397 3.01381274065148 2452226.961536300 0.401017535972483 47.4495297410938 14.1329975853035 -75.2141462618322 3537351.70477 T 24 CATAB v2.0g-lin.ifort 2021-Jul-08 18:01:37 2021-Jul-08 18:01
2012-Apr-01 07:22 < 00:01 Jupiter 1.55701224121259 1.55701182988678 1.55701265253893 2.18904043258257 1.9245487599988 2456018.806717553 0.24325825186372 101.937705067511 18.4914546477521 -79.90442542089 2140588.00876985 T 24 CATAB v2.0g-lin.ifort 2021-Jul-08 18:01:37 2021-Jul-08 18:01
2022-Aug-10 14:31 < 00:01 Jupiter 1.62916772666845 1.62916722959636 1.62916822374072 2.08336834114119 1.81675570450564 2459802.104676187 0.375065556913089 95.1023607723491 21.4872874505583 -88.2491173730887 2261914.39848183 T 24 CATAB v2.0g-lin.ifort 2021-Jul-08 18:01:37 2021-Jul-08 18:01
2096-Apr-02 09:24 00:02 Jupiter 1.76373360197509 1.7637323584382 1.76373484551328 2.63031849612522 2.44091936689811 2486700.891325073 2.02112123303427 112.4530945284 12.8913339083386 -68.5818947687433 2210142.15263894 T 24 CATAB v2.0g-lin.ifort 2021-Jul-08 18:01:37 2021-Jul-08 18:01
2106-Aug-18 01:52 00:02 Jupiter 1.52253441625209 1.52253397886461 1.52253485364122 2.05635071423461 1.76519975130685 2490489.577558771 2.3147770675447 157.783531093539 29.6288517773681 -80.9205811723879 1931226.47505995 T 24 CATAB v2.0g-lin.ifort 2021-Jul-08 18:01:37 2021-Jul-08 18:01
2116-Dec-18 12:35 00:03 Jupiter 1.78706578436786 1.78706423964792 1.78706732909096 2.57712868968662 2.38613589613304 2494265.024161029 2.69134066031647 159.511573379801 18.9079992593526 -75.9662740351629 2531720.21233029 T 24 CATAB v2.0g-lin.ifort 2021-Jul-08 18:01:37 2021-Jul-08 18:01
2190-Aug-15 22:26 00:04 Jupiter 1.60897772452756 1.60897592011211 1.60897952895308 2.27389804661557 2.0292219999929 2521168.435035726 4.33629426929613 241.656605797813 12.3713414109652 -77.1675937553147 1945290.15893427 T 24 CATAB v2.0g-lin.ifort 2021-Jul-08 18:01:37 2021-Jul-08 18:01
2200-Dec-31 21:01 00:05 Jupiter 1.57279611888699 1.57279460776681 1.57279763005884 2.10158446931113 1.82744794122228 2524958.375822362 4.72409202741494 509.036207988007 25.6430042092229 -84.6087829565176 2052682.15262014 T 24 CATAB v2.0g-lin.ifort 2021-Jul-08 18:01:37 2021-Jul-08 18:01

Alternate Designations
 1997 CO19 = 1972 TM10 = 1998 KR35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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