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JPL Small-Body Database Browser
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201989 (2004 PY74)
Classification: Main-belt Asteroid          SPK-ID: 2201989
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2030837238088178 4.9323e-08  
a 2.39029512150086 1.291e-08 au
q 1.904865087224414 1.1499e-07 au
i 2.322674842505232 4.5463e-06 deg
node 104.6995241809527 0.00015025 deg
peri 237.1220894936259 0.00015228 deg
M 342.5001783939798 1.7183e-05 deg
tp 2458666.115559328106
(2019-Jul-01.61555933)
6.4428e-05 TDB
period 1349.819551874281
3.70
1.0936e-05
2.994e-08
d
yr
n .2667023155058948 2.1607e-09 deg/d
Q 2.875725155777304 1.5532e-08 au
  Orbit Determination Parameters
   # obs. used (total)      207  
   data-arc span      5564 days (15.23 yr)  
   first obs. used      2004-08-08  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49242  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 16:24:36  

Additional Information
 Earth MOID = .896909 au 
 Jupiter MOID = 2.52135 au 
 T_jup = 3.503 
[ 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 17.7   n/a MPO446158  

201989 (2004 PY74)          Discovered 2004-Aug-08 by LONEOS at Anderson Mesa
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

Alternate Designations
 2004 PY74 = 2004 QK26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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