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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1250227179569965 3.4356e-08  
a 2.277938709795562 8.2038e-09 au
q 1.993144620957467 7.7628e-08 au
i 3.631611021027213 4.5412e-06 deg
node 137.2180507857256 6.866e-05 deg
peri 150.2628397848862 7.2141e-05 deg
M 247.9528558425363 2.4231e-05 deg
tp 2459591.349688383383
(2022-Jan-11.84968838)
8.5348e-05 TDB
period 1255.773976892076
3.44
6.7838e-06
1.857e-08
d
yr
n .2866757924789672 1.5486e-09 deg/d
Q 2.562732798633657 9.2294e-09 au
  Orbit Determination Parameters
   # obs. used (total)      950  
   data-arc span      22084 days (60.46 yr)  
   first obs. used      1960-09-27  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55368  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 08:42:26  

Additional Information
 Earth MOID = .975848 au 
 Jupiter MOID = 2.57343 au 
 T_jup = 3.595 
[ 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 15.58   n/a E2021B10  

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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