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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1148646847916856 5.3821e-08  
a 2.675772785000612 1.322e-08 au
q 2.368420987477346 1.4623e-07 au
i 13.48732482005643 4.5883e-06 deg
node 20.94430167406309 1.7369e-05 deg
peri 166.8056222507284 2.5867e-05 deg
M 299.8873448469524 2.2343e-05 deg
tp 2459267.453540745014
(2021-Feb-21.95354075)
0.00010006 TDB
period 1598.719511283024
4.38
1.1848e-05
3.244e-08
d
yr
n .2251802129512315 1.6688e-09 deg/d
Q 2.983124582523878 1.4739e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2715  
   data-arc span      23671 days (64.81 yr)  
   first obs. used      1955-04-13  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40725  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:59:39  

Additional Information
 Earth MOID = 1.37017 au 
 Jupiter MOID = 1.97335 au 
 T_jup = 3.330 
[ 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 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

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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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