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JPL Small-Body Database Browser
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39404 (9582 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2039404
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2181938260270077 3.6753e-08  
a 3.108719547524192 2.2489e-08 au
q 2.43041613540494 1.1817e-07 au
i 16.22135798763881 6.2857e-06 deg
node 172.0445702094769 1.5745e-05 deg
peri 93.4573930550055 2.2558e-05 deg
M 13.15396897506492 1.5643e-05 deg
tp 2458927.348193542565
(2020-Mar-18.84819354)
8.6663e-05 TDB
period 2002.030746354753
5.48
2.1724e-05
5.948e-08
d
yr
n .1798174182167177 1.9512e-09 deg/d
Q 3.787022959643443 2.7396e-08 au
  Orbit Determination Parameters
   # obs. used (total)      990  
   data-arc span      21387 days (58.55 yr)  
   first obs. used      1960-10-17  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53136  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:08:34  

Additional Information
 Earth MOID = 1.48193 au 
 Jupiter MOID = 1.67692 au 
 T_jup = 3.122 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.8   n/a MPO302292  
diameter diameter 4.302 km 0.661 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.263   0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39404 (9582 P-L)          Discovered 1960-Oct-17 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 9582 P-L = 1999 TQ230 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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