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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1216772205529844 5.5537e-08  
a 2.625741571562994 2.176e-08 au
q 2.306248635244784 1.515e-07 au
i 13.17728889471003 6.3307e-06 deg
node 111.9377936762689 2.4799e-05 deg
peri 262.771836976792 3.6161e-05 deg
M 152.3587848805063 2.8168e-05 deg
tp 2456742.779472242552
(2014-Mar-26.27947224)
0.0001194 JED
period 1554.090826980441
4.25
1.9318e-05
5.289e-08
d
yr
n .231646692554946 2.8795e-09 deg/d
Q 2.945234507881205 2.4407e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1088  
   data-arc span      12768 days (34.96 yr)  
   first obs. used      1980-12-27  
   last obs. used      2015-12-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46204  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 14:11:37  

Additional Information
 Earth MOID = 1.34843 au 
 Jupiter MOID = 2.57747 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 12.8 mag n/a MPO324583  
rotation period rot_per 6.3607 h n/a LCDB (Rev. 2015-December); 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. (2015) 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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