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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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1148646835881494 5.3489e-08  
a 2.675772784491336 1.3143e-08 au
q 2.368420990246957 1.455e-07 au
i 13.48732480226483 4.5198e-06 deg
node 20.94430071594471 1.7338e-05 deg
peri 166.8056231038023 2.584e-05 deg
M 299.8873451237356 2.234e-05 deg
tp 2459267.453539439638
(2021-Feb-21.95353944)
0.00010005 TDB
period 1598.719510826601
4.38
1.1779e-05
3.225e-08
d
yr
n .2251802130155189 1.659e-09 deg/d
Q 2.983124578735715 1.4652e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2781  
   data-arc span      23747 days (65.02 yr)  
   first obs. used      1955-04-13  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40094  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:09:36  

Additional Information
 Earth MOID = 1.37017 au 
 Jupiter MOID = 1.97335 au 
 T_jup = 3.330 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456711.5 (2014-Feb-23.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1152054074297772 5.3428e-08  
q 2.367098916095897 1.4534e-07 au
tp 2456073.159658355191
(2012-May-25.65965836)
9.282e-05 TDB
node 20.96789848443989 1.7343e-05 deg
peri 167.2976147353291 2.5906e-05 deg
i 13.48696367868723 4.5196e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2781  
   data-arc span      23747 days (65.02 yr)  
   first obs. used      1955-04-13  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40094  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:09:36  

Additional Information
 Jupiter MOID = 1.97335 au 
 T_jup = 3.330 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.854583175120439E-15 -7.741180173095991E-15 -2.108083168442563E-12 1.321737945197724E-15 -3.423701056449623E-13 -7.716305523297677E-15
q -7.741180173095991E-15 2.1123280177174E-14 5.86574131305241E-12 -2.828875462023431E-15 9.692622371746827E-13 2.193266019013402E-14
tp -2.108083168442563E-12 5.86574131305241E-12 8.615529334487719E-9 -6.878625584508306E-12 1.794297619126395E-9 1.970878702306626E-11
node 1.321737945197724E-15 -2.828875462023431E-15 -6.878625584508306E-12 3.007868962137745E-10 -2.93476865322183E-10 -1.113771890990722E-11
peri -3.423701056449623E-13 9.692622371746827E-13 1.794297619126395E-9 -2.93476865322183E-10 6.710961171637615E-10 1.485589931394798E-11
i -7.716305523297677E-15 2.193266019013402E-14 1.970878702306626E-11 -1.113771890990722E-11 1.485589931394798E-11 2.042657353533474E-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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