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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1323233692399622 3.5878e-08  
a 3.106723977307856 1.6839e-08 au
q 2.695631793331904 1.1306e-07 au
i 1.774792735661492 4.321e-06 deg
node 46.0277832776875 0.00015646 deg
peri 46.40619465568456 0.0001578 deg
M 23.35309859071709 1.9758e-05 deg
tp 2458870.753861036702
(2020-Jan-22.25386104)
0.00010953 TDB
period 2000.103320137316
5.48
1.6261e-05
4.452e-08
d
yr
n .1799907016679941 1.4634e-09 deg/d
Q 3.517816161283807 1.9067e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1571  
   data-arc span      10347 days (28.33 yr)  
   first obs. used      1991-10-01  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52631  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:59:39  

Additional Information
 Earth MOID = 1.71269 au 
 Jupiter MOID = 1.66455 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-August); 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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