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175903 (1999 YL5)
Classification: Main-belt Asteroid          SPK-ID: 2175903
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1941663337496631 4.7326e-08  
a 2.414333017923578 1.3452e-08 au
q 1.945550827382597 1.1222e-07 au
i 3.213529509526142 5.3848e-06 deg
node 57.08126990118648 6.7883e-05 deg
peri 352.9044885151173 6.8949e-05 deg
M 242.9120723517087 1.6392e-05 deg
tp 2459646.160154153454
(2022-Mar-07.66015415)		 6.5442e-05 TDB
period 1370.232258078441
3.75		 1.1452e-05
3.135e-08		 d
yr
n .2627291817701398 2.1958e-09 deg/d
Q 2.883115208464559 1.6064e-08 au
   Orbit Determination Parameters
   # obs. used (total)      532  
   data-arc span      7503 days (20.54 yr)  
   first obs. used      1999-12-07  
   last obs. used      2020-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5672  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:07:18  

Additional Information
 Earth MOID = .955247 au 
 Jupiter MOID = 2.4941 au 
 T_jup = 3.490 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.61   n/a E2021B55  

175903 (1999 YL5)          Discovered 1999-Dec-29 by Everstar at Everstar
Reference: 20080221/Numbers.arcLast Updated: 2008-02-22

Alternate Designations
 1999 YL5 = 2004 CW61 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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