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39401 (7572 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2039401
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1250092612378791 3.8575e-08  
a 2.27811577776491 9.1395e-09 au
q 1.993330207372163 8.5747e-08 au
i 3.631397195020714 4.5999e-06 deg
node 137.2184345027564 7.0148e-05 deg
peri 150.2038553774111 7.3656e-05 deg
M 190.6920993333541 2.5231e-05 deg
tp 2459591.159017504194
(2022-Jan-11.65901750)
8.9665e-05 TDB
period 1255.920399841092
3.44
7.5579e-06
2.069e-08
d
yr
n .2866423700463419 1.725e-09 deg/d
Q 2.562901348157658 1.0282e-08 au
  Orbit Determination Parameters
   # obs. used (total)      900  
   data-arc span      21689 days (59.38 yr)  
   first obs. used      1960-09-27  
   last obs. used      2020-02-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56217  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:21:27  

Additional Information
 Earth MOID = .977971 au 
 Jupiter MOID = 2.57399 au 
 T_jup = 3.594 
[ 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 15.6   n/a MPO351107  

39401 (7572 P-L)          Discovered 1960-Sep-27 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 7572 P-L = 2000 DD21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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