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29877 (1999 GL17)
Classification: Main-belt Asteroid          SPK-ID: 2029877
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1223005711831725 5.5434e-08  
a 2.624360887055696 2.0147e-08 au
q 2.303400051578008 1.5056e-07 au
i 13.17498679403234 5.4988e-06 deg
node 111.8927462610369 2.4577e-05 deg
peri 262.9171685514885 3.4334e-05 deg
M 198.5717704900079 2.7438e-05 deg
tp 2458296.823006420134
(2018-Jun-27.32300642)
0.00012223 JED
period 1552.865214914173
4.25
1.7882e-05
4.896e-08
d
yr
n .2318295216754516 2.6696e-09 deg/d
Q 2.945321722533385 2.2611e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1258  
   data-arc span      12895 days (35.30 yr)  
   first obs. used      1980-12-27  
   last obs. used      2016-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .45827  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:54:50  

Additional Information
 Earth MOID = 1.34632 au 
 Jupiter MOID = 2.57998 au 
 T_jup = 3.355 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.9 mag n/a MPO365606  
rotation period rot_per 6.3607 h n/a LCDB (Rev. 2016-February); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2016) Astron. J. 150, A75.]

29877 (1999 GL17)          Discovered 1999-Apr-15 by LINEAR at Socorro
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 GL17 = 1980 YV = 2000 NV2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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