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27227 (1999 GB48)
Classification: Main-belt Asteroid          SPK-ID: 2027227
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1322446602885121 3.6006e-08  
a 3.106232220370388 1.7435e-08 au
q 2.695449595610275 1.1318e-07 au
i 1.775094659693964 4.4142e-06 deg
node 46.03394586080947 0.0001609 deg
peri 46.52451862901355 0.00016227 deg
M 311.2505748344165 2.062e-05 deg
tp 2458871.279826418061
(2020-Jan-22.77982642)
0.00011518 TDB
period 1999.628450579602
5.47
1.6836e-05
4.609e-08
d
yr
n .1800334456611939 1.5158e-09 deg/d
Q 3.517014845130501 1.9741e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1501  
   data-arc span      10291 days (28.18 yr)  
   first obs. used      1991-10-01  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53348  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 01:35:58  

Additional Information
 Earth MOID = 1.71256 au 
 Jupiter MOID = 1.6658 au 
 T_jup = 3.206 
[ 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 13.7   n/a MPO337488  
diameter diameter 10.068 km 0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.82 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
geometric albedo albedo 0.058   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27227 (1999 GB48)          Discovered 1999-Apr-07 by LONEOS at Anderson Mesa
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 GB48 = 1996 RM11 = 1997 WK43 = 2000 KR25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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