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135576 (2002 GS56)
Classification: Main-belt Asteroid          SPK-ID: 2135576
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1879485253388554 3.0496e-08  
a 2.255442393523911 8.8191e-09 au
q 1.831535321674353 7.0083e-08 au
i 4.477716505004697 3.5716e-06 deg
node 311.7729781905091 5.3141e-05 deg
peri 331.1072917122889 5.4284e-05 deg
M 123.5469063510233 1.174e-05 deg
tp 2458775.904477624649
(2019-Oct-19.40447762)
3.9757e-05 TDB
period 1237.21744695763
3.39
7.2565e-06
1.987e-08
d
yr
n .2909755280975508 1.7066e-09 deg/d
Q 2.679349465373468 1.0477e-08 au
  Orbit Determination Parameters
   # obs. used (total)      614  
   data-arc span      7870 days (21.55 yr)  
   first obs. used      1999-07-16  
   last obs. used      2021-01-31  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55288  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:13:40  

Additional Information
 Earth MOID = .81474 au 
 Jupiter MOID = 2.47587 au 
 T_jup = 3.596 
[ 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 16.51   n/a E2021B55  
rotation period rot_per 7.22 h n/a LCDB (Rev. 2020-October); 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:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]

135576 (2002 GS56)          Discovered 2002-Apr-05 by NEAT at Palomar
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 2002 GS56 = 2005 CC48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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