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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456420.5 (2013-May-08.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2431938708426673 4.2566e-08  
q 2.378440423465053 1.3362e-07 au
tp 2456375.171546329190
(2013-Mar-23.67154633)
5.5142e-05 TDB
node 202.2323268369473 1.9706e-05 deg
peri 228.371562266415 2.2424e-05 deg
i 12.73531831766796 5.9126e-06 deg
  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
 Jupiter MOID = 1.58783 au 
 T_jup = 3.127 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.811860247160922E-15 -5.656536344447876E-15 -6.214024227653388E-13 6.495884409218334E-16 -1.129690640901118E-13 -2.074517349698109E-15
q -5.656536344447876E-15 1.785426634533958E-14 1.96909083298575E-12 -1.262994788193941E-16 3.557133922848672E-13 6.055611378159718E-15
tp -6.214024227653388E-13 1.96909083298575E-12 3.040628239610179E-9 -2.614343836950283E-12 6.075903676461397E-10 9.666253176420098E-14
node 6.495884409218334E-16 -1.262994788193941E-16 -2.614343836950283E-12 3.883453966139652E-10 -3.787453782116734E-10 5.38056550102616E-13
peri -1.129690640901118E-13 3.557133922848672E-13 6.075903676461397E-10 -3.787453782116734E-10 5.028210362202588E-10 -4.891089440560687E-13
i -2.074517349698109E-15 6.055611378159718E-15 9.666253176420098E-14 5.38056550102616E-13 -4.891089440560687E-13 3.495869593350794E-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

[ show close-approach data ]
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-25 02:27 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin