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JPL Small-Body Database Browser
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39380 (2169 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2039380
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05483961652913545 4.6505e-08  
a 2.357391724397313 1.2451e-08 au
q 2.228113266222407 1.1315e-07 au
i 6.710092728889741 5.3164e-06 deg
node 356.860998432297 3.4479e-05 deg
peri 152.3048142392409 5.5928e-05 deg
M 294.7054600732951 4.4605e-05 deg
tp 2458840.284123382065
(2019-Dec-22.78412338)
0.00016422 TDB
period 1322.044454474183
3.62
1.0474e-05
2.868e-08
d
yr
n .2723055180040695 2.1574e-09 deg/d
Q 2.486670182572219 1.3134e-08 au
  Orbit Determination Parameters
   # obs. used (total)      697  
   data-arc span      21303 days (58.32 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55895  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:06:27  

Additional Information
 Earth MOID = 1.24071 au 
 Jupiter MOID = 2.49519 au 
 T_jup = 3.542 
[ 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 15.8   n/a MPO452716  

39380 (2169 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2169 P-L = 2000 SB178 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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