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JPL Small-Body Database Browser
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56213 (1999 GW50)
Classification: Main-belt Asteroid          SPK-ID: 2056213
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04619018645214843 4.526e-08  
a 2.641063164188527 1.2665e-08 au
q 2.519071964202757 1.1761e-07 au
i 11.54908982367201 5.3549e-06 deg
node 187.1208947970085 1.8608e-05 deg
peri 250.0939943251806 6.0752e-05 deg
M 5.016053233424063 5.589e-05 deg
tp 2458578.656297906509
(2019-Apr-05.15629791)		 0.0002434 TDB
period 1567.713177614898
4.29		 1.1277e-05
3.087e-08		 d
yr
n .2296338419172441 1.6518e-09 deg/d
Q 2.763054364174296 1.325e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1310  
   data-arc span      7597 days (20.80 yr)  
   first obs. used      1999-02-18  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53069  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 05:41:57  

Additional Information
 Earth MOID = 1.55649 au 
 Jupiter MOID = 2.3585 au 
 T_jup = 3.365 
[ 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 14.3   n/a MPO452934  
rotation period rot_per 2.417 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2019) Minor Planet Bull. 46, 46-51.]

56213 (1999 GW50)          Discovered 1999-Apr-10 by LONEOS at Anderson Mesa
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 GW50 = 2000 OX39 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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