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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
27747 (1990 YW)
Classification: Main-belt Asteroid          SPK-ID: 2027747
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2420572124183119 4.2609e-08  
a 3.141661191779453 1.8566e-08 au
q 2.381199441334527 1.3344e-07 au
i 12.73394080766315 5.9116e-06 deg
node 202.1643463479675 1.9709e-05 deg
peri 227.9921989578646 2.2446e-05 deg
M 34.4831973660921 1.0525e-05 deg
tp 2458405.675991387012
(2018-Oct-14.17599139)
5.8846e-05 TDB
period 2033.936770887791
5.57
1.803e-05
4.936e-08
d
yr
n .1769966525767976 1.569e-09 deg/d
Q 3.90212294222438 2.3061e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1611  
   data-arc span      13626 days (37.31 yr)  
   first obs. used      1982-07-21  
   last obs. used      2019-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45386  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 01:07:38  

Additional Information
 Earth MOID = 1.41515 au 
 Jupiter MOID = 1.58783 au 
 T_jup = 3.127 
[ 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 13.3   n/a MPO431819  
diameter diameter 9.554 km 0.314 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.122   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27747 (1990 YW)          Discovered 1990-Dec-18 by Helin, E. F. at Palomar
Reference: 20010902/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
1949-Oct-23 23:28 00:03 Jupiter 1.9524842747841 1.95248302103081 1.95248552853494 2.08827368728021 1.86902415922715 2433213.478087559 2.69721262092637 156.873647949021 48.7125759401798 -43.0515504452207 641099.531210851 T 25 CATAB v2.0f-lin.ifort 2019-Dec-04 01:07:51 2019-Dec-04 01:07
1960-Jan-23 19:00 00:02 Jupiter 1.64115519353679 1.64115425355816 1.64115613351775 2.27348252075637 2.03383764625263 2436957.291442389 1.83891950327763 186.081636071987 77.2208681629725 -80.6710829778482 1193150.11700172 T 25 CATAB v2.0f-lin.ifort 2019-Dec-04 01:07:51 2019-Dec-04 01:07
1970-Sep-17 17:42 00:01 Jupiter 1.68789308526473 1.68789238566525 1.68789378486661 3.20745178205315 3.04698247211278 2440847.237181960 1.19083356439489 174.943597212227 22.4072462405772 82.8624150311895 1940918.79202014 T 25 CATAB v2.0f-lin.ifort 2019-Dec-04 01:07:51 2019-Dec-04 01:07
2055-Sep-08 20:50 00:02 Jupiter 1.76048947240543 1.76048856548909 1.76049037937651 1.15894557807119 0.617168437054162 2471884.368216930 1.6427498968697 4149.2052935259 258.496836537982 63.5974898194748 4005198.27272112 T 25 CATAB v2.0f-lin.ifort 2019-Dec-04 01:07:51 2019-Dec-04 01:07
2066-Feb-27 14:33 00:02 Jupiter 1.62485577166664 1.62485509194208 1.62485645139378 2.78361464045626 2.58958079253261 2475709.105948664 1.57871150901046 228.757704877439 25.7303662551046 87.4013578652627 1481945.55372554 T 25 CATAB v2.0f-lin.ifort 2019-Dec-04 01:07:51 2019-Dec-04 01:07
2076-Oct-25 20:58 00:02 Jupiter 1.93386748666725 1.93386593463964 1.9338690387007 3.66734235996371 3.54590070643044 2479602.373648162 1.97359658153514 199.827762220859 25.4378620229425 70.4488387486372 2244124.34065063 T 25 CATAB v2.0f-lin.ifort 2019-Dec-04 01:07:51 2019-Dec-04 01:07
2151-May-28 22:29 00:05 Jupiter 1.85883735122177 1.85883564737883 1.85883905505521 1.79613657831348 1.52143354923478 2506844.436649650 5.27214856780546 541.154056128222 90.056123589388 -20.8966498918178 411027.237086643 T 25 CATAB v2.0f-lin.ifort 2019-Dec-04 01:07:51 2019-Dec-04 01:07
2161-Aug-27 22:30 00:05 Jupiter 1.636972229728 1.63697139490598 1.63697306456594 2.07356371945108 1.80687621106704 2510588.437846200 4.80818199178645 476.551985902707 107.056206915659 -68.9561328647406 771716.421849927 T 25 CATAB v2.0f-lin.ifort 2019-Dec-04 01:07:51 2019-Dec-04 01:07
2172-Apr-10 13:52 00:05 Jupiter 1.77508905599612 1.77508643122188 1.77509168082989 3.25722114429805 3.10727306451478 2514467.077831076 4.68695437047462 554.691187538459 22.6809612353934 78.9366460991548 1820374.31296716 T 25 CATAB v2.0f-lin.ifort 2019-Dec-04 01:07:51 2019-Dec-04 01:07

Alternate Designations
 1990 YW = 2000 OD37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-29 20:34 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin