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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456939.5 (2014-Oct-09.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2427525454196363 3.9737e-08  
q 2.377357896908347 1.2266e-07 au
tp 2456374.360655435633
(2013-Mar-22.86065544)
5.4804e-05 TDB
node 202.1848130170599 1.695e-05 deg
peri 228.192957003189 1.9952e-05 deg
i 12.73749980112756 5.8632e-06 deg
  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
 Jupiter MOID = 1.5906 au 
 T_jup = 3.127 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.578993660368102E-15 -4.84645713252885E-15 -7.501934281642546E-13 1.302274213364972E-15 -1.612890198281242E-13 -1.27105289976577E-15
q -4.84645713252885E-15 1.504518414813865E-14 2.422316018451942E-12 -3.222073601236914E-15 5.245828950144151E-13 4.558004091196205E-15
tp -7.501934281642546E-13 2.422316018451942E-12 3.003490775271445E-9 -1.992727612860753E-12 5.871342305390633E-10 4.036327241623114E-13
node 1.302274213364972E-15 -3.222073601236914E-15 -1.992727612860753E-12 2.872990208995729E-10 -2.801058833354164E-10 -7.452160446904058E-12
peri -1.612890198281242E-13 5.245828950144151E-13 5.871342305390633E-10 -2.801058833354164E-10 3.980784326300743E-10 7.453056209835371E-12
i -1.27105289976577E-15 4.558004091196205E-15 4.036327241623114E-13 -7.452160446904058E-12 7.453056209835371E-12 3.437712556756869E-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 ]
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