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192917 (1999 YA4)
Classification: Main-belt Asteroid          SPK-ID: 2192917
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1948995973376438 6.3103e-08  
a 2.779255328999895 1.5175e-08 au
q 2.237579584479315 1.7646e-07 au
i 25.59617124640907 9.2138e-06 deg
node 347.8762444313916 1.0235e-05 deg
peri 52.38457196238033 2.4987e-05 deg
M 225.4527231236426 1.9666e-05 deg
tp 2459833.004338989160
(2022-Sep-10.50433899)
9.3829e-05 TDB
period 1692.353552761565
4.63
1.3861e-05
3.795e-08
d
yr
n .2127215081107347 1.7422e-09 deg/d
Q 3.320931073520475 1.8133e-08 au
  Orbit Determination Parameters
   # obs. used (total)      660  
   data-arc span      7459 days (20.42 yr)  
   first obs. used      1999-12-19  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53822  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:18:05  

Additional Information
 Earth MOID = 1.30687 au 
 Jupiter MOID = 2.36107 au 
 T_jup = 3.165 
[ 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 15.05   n/a E2021B55  

192917 (1999 YA4)          Discovered 1999-Dec-19 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

Alternate Designations
 1999 YA4 = 2003 QU36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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