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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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2419817617880405 3.9821e-08  
a 3.140322385328575 1.7745e-08 au
q 2.380421641944344 1.2295e-07 au
i 12.73583622909209 5.8624e-06 deg
node 202.1579279183007 1.6942e-05 deg
peri 227.9040265694357 1.9955e-05 deg
M 105.4059160933097 1.0856e-05 deg
tp 2458405.355717500477
(2018-Oct-13.85571750)
5.9169e-05 TDB
period 2032.636778282571
5.57
1.7229e-05
4.717e-08
d
yr
n .1771098525060505 1.5012e-09 deg/d
Q 3.900223128712805 2.2039e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1822  
   data-arc span      13853 days (37.93 yr)  
   first obs. used      1982-07-21  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44434  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:21:28  

Additional Information
 Earth MOID = 1.41459 au 
 Jupiter MOID = 1.5906 au 
 T_jup = 3.127 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456941.5 (2014-Oct-11.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2427514630452773 3.9733e-08  
q 2.377359695837527 1.2265e-07 au
tp 2456374.359062459945
(2013-Mar-22.85906246)
5.4802e-05 TDB
node 202.1848123773864 1.6943e-05 deg
peri 228.1927473967017 1.9945e-05 deg
i 12.7375010957356 5.8632e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1822  
   data-arc span      13853 days (37.93 yr)  
   first obs. used      1982-07-21  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44434  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 01:21:28  

Additional Information
 Jupiter MOID = 1.5906 au 
 T_jup = 3.127 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.578728538840739E-15 -4.845511367271433E-15 -7.5043192395652E-13 1.286078086779887E-15 -1.613491862138542E-13 -1.270469310571269E-15
q -4.845511367271433E-15 1.5041838632131E-14 2.423153113451591E-12 -3.167514127360442E-15 5.247982843478603E-13 4.556321227317494E-15
tp -7.5043192395652E-13 2.423153113451591E-12 3.003288581511731E-9 -1.957936240190472E-12 5.870328584272111E-10 4.028687701781506E-13
node 1.286078086779887E-15 -3.167514127360442E-15 -1.957936240190472E-12 2.870620953477425E-10 -2.798675503752422E-10 -7.445012165125458E-12
peri -1.613491862138542E-13 5.247982843478603E-13 5.870328584272111E-10 -2.798675503752422E-10 3.978169651868424E-10 7.445963793548568E-12
i -1.270469310571269E-15 4.556321227317494E-15 4.028687701781506E-13 -7.445012165125458E-12 7.445963793548568E-12 3.437691257490469E-11

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 1.95248417623298 1.95248292634318 1.95248542612035 2.08827276305489 1.86902311486806 2433213.478065314 2.63320013742504 153.995046249095 46.7740159605295 -43.5737918814822 644485.939596697 T 29 CATAB v2.0f-lin.ifort 2020-Nov-13 01:21:32 2020-Nov-13 01:21
1960-Jan-23 19:00 00:02 Jupiter 1.64115517519868 1.64115423970427 1.6411561106957 2.27348307356855 2.03383826136652 2436957.291367538 1.8067156585282 175.874676998216 72.5160751658663 -78.9076451802818 1265006.44847545 T 29 CATAB v2.0f-lin.ifort 2020-Nov-13 01:21:32 2020-Nov-13 01:21
1970-Sep-17 17:41 00:01 Jupiter 1.68789323054863 1.68789253915282 1.68789392194684 3.20745250968331 3.04698325223952 2440847.237122945 1.17133516516577 172.628120229069 21.3754238445194 82.7137851974437 1961866.55225522 T 29 CATAB v2.0f-lin.ifort 2020-Nov-13 01:21:32 2020-Nov-13 01:21
2055-Sep-08 20:50 00:02 Jupiter 1.76048941112321 1.76048856223879 1.76049026003514 1.15894532184251 0.617167928759881 2471884.368150993 1.55081393954002 3812.46023046794 231.907647254796 63.3267641821816 5074449.6394863 T 29 CATAB v2.0f-lin.ifort 2020-Nov-13 01:21:32 2020-Nov-13 01:21
2066-Feb-27 14:32 00:02 Jupiter 1.62485586221907 1.62485519079933 1.6248565336414 2.78361532319347 2.58958153764492 2475709.105868644 1.51173721616919 222.587579778597 22.8308499261697 87.1610944360863 1509407.12698512 T 29 CATAB v2.0f-lin.ifort 2020-Nov-13 01:21:32 2020-Nov-13 01:21
2076-Oct-25 20:58 00:02 Jupiter 1.93386770783181 1.93386623828779 1.9338691773811 3.667343372619 3.54590176789397 2479602.373574405 1.88852459107058 189.810316656011 24.1703486642111 70.5697410017397 2248880.55744551 T 29 CATAB v2.0f-lin.ifort 2020-Nov-13 01:21:32 2020-Nov-13 01:21
2151-May-28 22:29 00:05 Jupiter 1.85883724955271 1.85883564417013 1.85883885492641 1.796135946796 1.52143278731206 2506844.436612758 5.09249760957082 517.906191240387 87.395253477266 -20.8514657295053 419024.635370856 T 29 CATAB v2.0f-lin.ifort 2020-Nov-13 01:21:32 2020-Nov-13 01:21
2161-Aug-27 22:30 00:05 Jupiter 1.63697225923954 1.63697147989829 1.63697303859559 2.07356421649314 1.80687678663313 2510588.437760950 4.6390174386575 465.993891094342 96.8135104949656 -69.2527940778113 814568.721507055 T 29 CATAB v2.0f-lin.ifort 2020-Nov-13 01:21:32 2020-Nov-13 01:21
2172-Apr-10 13:52 00:05 Jupiter 1.7750892457651 1.77508671480828 1.77509177677721 3.25722204138476 3.10727402130956 2514467.077741554 4.52505119685823 534.889377472127 21.4291062896501 78.9553331924971 1824706.43659232 T 29 CATAB v2.0f-lin.ifort 2020-Nov-13 01:21:32 2020-Nov-13 01:21

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