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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2419817615915535 3.9825e-08  
a 3.140322385374402 1.7746e-08 au
q 2.380421642596115 1.2296e-07 au
i 12.73583622963827 5.8624e-06 deg
node 202.1579279023109 1.6949e-05 deg
peri 227.9040265316388 1.9962e-05 deg
M 105.4059161068778 1.0857e-05 deg
tp 2458405.355717410841
(2018-Oct-13.85571741)
5.917e-05 TDB
period 2032.636778327066
5.57
1.723e-05
4.717e-08
d
yr
n .1771098525021736 1.5013e-09 deg/d
Q 3.900223128152689 2.204e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1818  
   data-arc span      13827 days (37.86 yr)  
   first obs. used      1982-07-21  
   last obs. used      2020-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44476  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 19:35:40  

Additional Information
 Earth MOID = 1.41459 au 
 Jupiter MOID = 1.5906 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 1.95248417624363 1.95248292635061 1.95248542613421 2.08827272645913 1.86902307398062 2433213.478061668 2.63331207075167 153.99905018403 46.7837990824371 -43.572805508468 644438.086821741 T 28 CATAB v2.0f-lin.ifort 2020-Jun-23 19:35:56 2020-Jun-23 19:36
1960-Jan-23 19:00 00:02 Jupiter 1.64115517549967 1.64115423995908 1.64115611104287 2.27348312263599 2.03383831626206 2436957.291361851 1.8067696988632 175.886814245977 72.5235606491332 -78.9087888179469 1264935.31813478 T 28 CATAB v2.0f-lin.ifort 2020-Jun-23 19:35:56 2020-Jun-23 19:36
1970-Sep-17 17:41 00:01 Jupiter 1.68789323080515 1.68789253938948 1.68789392222322 3.20745248027631 3.04698322130883 2440847.237126836 1.17136945961304 172.634663733946 21.3784972799353 82.7146102933635 1961853.05285128 T 28 CATAB v2.0f-lin.ifort 2020-Jun-23 19:35:56 2020-Jun-23 19:36
2055-Sep-08 20:50 00:02 Jupiter 1.76048941214725 1.76048856314845 1.76049026117367 1.15894534030722 0.61716796388721 2471884.368148896 1.55096370402171 3813.01085772166 231.954871281911 63.3269370492534 5072081.60145835 T 28 CATAB v2.0f-lin.ifort 2020-Jun-23 19:35:56 2020-Jun-23 19:36
2066-Feb-27 14:32 00:02 Jupiter 1.62485586246286 1.62485519099361 1.62485653393461 2.78361539820609 2.58958161830834 2475709.105860199 1.51185060328147 222.599328485793 22.837124063334 87.1617207205999 1509404.79538485 T 28 CATAB v2.0f-lin.ifort 2020-Jun-23 19:35:56 2020-Jun-23 19:36
2076-Oct-25 20:58 00:02 Jupiter 1.93386770734225 1.93386623764587 1.93386917704379 3.66734328401966 3.54590167622897 2479602.373586750 1.88866944301632 189.827990387252 24.1740646531314 70.5695994545876 2248746.84483646 T 28 CATAB v2.0f-lin.ifort 2020-Jun-23 19:35:56 2020-Jun-23 19:36
2151-May-28 22:29 00:05 Jupiter 1.8588372499563 1.85883564441238 1.85883885549145 1.79613589875845 1.52143273066609 2506844.436608736 5.09279898207133 517.945113557903 87.4109022684156 -20.8513948962067 418974.277673768 T 28 CATAB v2.0f-lin.ifort 2020-Jun-23 19:35:56 2020-Jun-23 19:36
2161-Aug-27 22:30 00:05 Jupiter 1.63697225979139 1.6369714803315 1.63697303926608 2.0735641814904 1.80687674656067 2510588.437763839 4.63929877384475 466.012883059982 96.8260130731857 -69.2521528661666 814539.582717288 T 28 CATAB v2.0f-lin.ifort 2020-Jun-23 19:35:56 2020-Jun-23 19:36
2172-Apr-10 13:52 00:05 Jupiter 1.77508924584015 1.77508671470928 1.77509177702632 3.25722196540911 3.10727394167403 2514467.077750134 4.52532600907191 534.92321922254 21.4330581033617 78.955286342686 1824678.79159719 T 28 CATAB v2.0f-lin.ifort 2020-Jun-23 19:35:56 2020-Jun-23 19:36

Alternate Designations
 1990 YW = 2000 OD37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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