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JPL Small-Body Database Browser
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382425 (1998 YQ21)
Classification: Main-belt Asteroid          SPK-ID: 2382425
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1957477443907073 6.7964e-08  
a 2.419972263003245 2.2266e-08 au
q 1.946268151032284 1.5925e-07 au
i 5.508430685892404 1.0099e-05 deg
node 114.2202952069909 6.226e-05 deg
peri 316.3757223242945 6.9171e-05 deg
M 175.0791059681892 3.103e-05 deg
tp 2457931.777664898312
(2017-Jun-27.27766490)
0.00011196 TDB
period 1375.035811985176
3.76
1.8977e-05
5.196e-08
d
yr
n .2618113629202561 3.6134e-09 deg/d
Q 2.893676374974206 2.6625e-08 au
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      7491 days (20.51 yr)  
   first obs. used      1998-12-26  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62215  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:59:34  

Additional Information
 Earth MOID = .965033 au 
 Jupiter MOID = 2.39636 au 
 T_jup = 3.482 
[ 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 17.4   n/a MPO437565  

382425 (1998 YQ21)          Discovered 1998-Dec-26 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-01-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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