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JPL Small-Body Database Browser
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27225 (1999 GB17)
Classification: Main-belt Asteroid          SPK-ID: 2027225
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1148646817971589 5.4286e-08  
a 2.675772784355182 1.331e-08 au
q 2.368420994918726 1.4728e-07 au
i 13.48732530580931 4.6672e-06 deg
node 20.94430069230305 1.7454e-05 deg
peri 166.8056235616598 2.5937e-05 deg
M 299.8873446988258 2.2347e-05 deg
tp 2459267.453541306239
(2021-Feb-21.95354131)
0.00010008 TDB
period 1598.719510704577
4.38
1.1929e-05
3.266e-08
d
yr
n .2251802130327059 1.6802e-09 deg/d
Q 2.983124573791637 1.4839e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2651  
   data-arc span      23643 days (64.73 yr)  
   first obs. used      1955-04-13  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40954  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 02:47:02  

Additional Information
 Earth MOID = 1.37017 au 
 Jupiter MOID = 1.97335 au 
 T_jup = 3.330 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456620.5 (2013-Nov-24.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1151081645617134 5.4212e-08  
q 2.367567861692294 1.4709e-07 au
tp 2456073.145630995160
(2012-May-25.64563100)
9.3076e-05 TDB
node 20.97143141812615 1.746e-05 deg
peri 167.3130533671003 2.602e-05 deg
i 13.48628666630469 4.6668e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2651  
   data-arc span      23643 days (64.73 yr)  
   first obs. used      1955-04-13  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40954  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 02:47:02  

Additional Information
 Jupiter MOID = 1.97335 au 
 T_jup = 3.330 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.938921393439353E-15 -7.949259813155274E-15 -2.159328734162674E-12 2.469339111548095E-15 -3.546145679940176E-13 -8.439189321397119E-15
q -7.949259813155274E-15 2.16365634921955E-14 5.99496970656269E-12 -5.702798437427729E-15 1.000208875914012E-12 2.375767713584619E-14
tp -2.159328734162674E-12 5.99496970656269E-12 8.663153685013873E-9 -7.186722427533319E-12 1.804439238994866E-9 2.003059650409961E-11
node 2.469339111548095E-15 -5.702798437427729E-15 -7.186722427533319E-12 3.048679402119724E-10 -2.974761892483661E-10 -1.355518903307658E-11
peri -3.546145679940176E-13 1.000208875914012E-12 1.804439238994866E-9 -2.974761892483661E-10 6.770316286929001E-10 1.72571001094556E-11
i -8.439189321397119E-15 2.375767713584619E-14 2.003059650409961E-11 -1.355518903307658E-11 1.72571001094556E-11 2.177908808569669E-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 12.6   n/a MPO459047  
diameter diameter 7.301 km 1.240 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 3.853858 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.363   0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

27225 (1999 GB17)          Discovered 1999-Apr-15 by LINEAR at Socorro
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 GB17 = 1977 DF11 = 1979 UB5 = 1984 YC3 = 1984 YL7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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