Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
101691 (1999 CO120)
Classification: Main-belt Asteroid          SPK-ID: 2101691
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 .2075155398599495 4.9799e-08  
a 3.084893443707402 2.0769e-08 au
q 2.444730115326042 1.6162e-07 au
i 19.58745188002492 5.639e-06 deg
node 79.05001648713194 1.5188e-05 deg
peri 13.86203949035239 2.3817e-05 deg
M 355.1011060570594 1.7058e-05 deg
tp 2459027.431107584290
(2020-Jun-26.93110758)
9.3936e-05 TDB
period 1979.058710653529
5.42
1.9986e-05
5.472e-08
d
yr
n .1819046590493114 1.837e-09 deg/d
Q 3.725056772088763 2.5079e-08 au
  Orbit Determination Parameters
   # obs. used (total)      858  
   data-arc span      8023 days (21.97 yr)  
   first obs. used      1998-11-25  
   last obs. used      2020-11-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53932  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:28:48  

Additional Information
 Earth MOID = 1.46491 au 
 Jupiter MOID = 1.55856 au 
 T_jup = 3.106 
[ 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 MPO333627  
diameter diameter 3.743 km 0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.317   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101691 (1999 CO120)          Discovered 1999-Feb-11 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
1925-Oct-10 22:35 00:03 Jupiter 1.77252775114871 1.7725251545866 1.77253034783425 3.91970356990661 3.79583368480499 2424434.440881950 3.11900240533331 770.512202839862 18.143260935268 79.8069627578846 2257556.38238756 T 21 CATAB v2.0f-lin.ifort 2020-Dec-18 04:28:50 2020-Dec-18 04:28
1935-Nov-22 14:08 00:02 Jupiter 1.81343057302173 1.81342801167796 1.81343313436549 4.41519266841165 4.30810403583747 2428129.088550301 2.45705806270542 155.987959736197 127.001954025759 -83.8829358602772 1770374.95218343 T 21 CATAB v2.0f-lin.ifort 2020-Dec-18 04:28:50 2020-Dec-18 04:28
1995-Nov-24 18:07 < 00:01 Jupiter 1.58596046951723 1.58595980641773 1.58596113261699 4.37775809741929 4.25401164836823 2450046.255024041 0.708446155395489 130.768189761726 29.5780049221434 84.9141396644556 2712711.83973564 T 21 CATAB v2.0f-lin.ifort 2020-Dec-18 04:28:50 2020-Dec-18 04:28
2055-Nov-18 19:50 00:01 Jupiter 1.6418375886579 1.64183673318067 1.64183844416313 4.12546133575786 3.99845383309599 2471955.326326366 1.14410638641413 416.907740082079 19.7180257631095 84.8840225910006 2417787.19007912 T 21 CATAB v2.0f-lin.ifort 2020-Dec-18 04:28:50 2020-Dec-18 04:28
2116-Jan-24 10:37 00:04 Jupiter 1.95229320603174 1.95229051305558 1.95229589901101 3.02640673845453 2.879482096978 2493935.942474896 4.12808462496233 197.808433146166 151.883489190121 34.0903261720229 747201.013911605 T 21 CATAB v2.0f-lin.ifort 2020-Dec-18 04:28:50 2020-Dec-18 04:28
2126-Jan-15 04:23 00:03 Jupiter 1.68013175774995 1.68012990894949 1.68013360656168 4.41742959488518 4.30179069279205 2497579.682392924 2.95874462477287 319.916524276114 64.2997523076897 -78.0161389887779 2591493.13724051 T 21 CATAB v2.0f-lin.ifort 2020-Dec-18 04:28:50 2020-Dec-18 04:28
2186-Jan-07 14:37 00:04 Jupiter 1.58282669514454 1.5828258631146 1.5828275273295 4.22977172112703 4.10130505683564 2519487.109342460 4.44350560735822 970.329749724751 20.809597597086 87.7596220424059 2619175.79504275 T 21 CATAB v2.0f-lin.ifort 2020-Dec-18 04:28:50 2020-Dec-18 04:28

Alternate Designations
 1999 CO120 = 2000 JT9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-23 08:32 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin