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JPL Small-Body Database Browser
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39402 (9074 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2039402
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1478423840599901 3.2622e-08  
a 2.69059959743565 1.1786e-08 au
q 2.292814938399915 8.8723e-08 au
i .7499556849721749 3.6723e-06 deg
node 245.5534940524266 0.00040941 deg
peri 174.076984001224 0.00040986 deg
M 137.7971620495008 2.0161e-05 deg
tp 2458383.464986402353
(2018-Sep-21.96498640)
8.8401e-05 TDB
period 1612.025977830781
4.41
1.0592e-05
2.9e-08
d
yr
n .223321463146911 1.4674e-09 deg/d
Q 3.088384256471386 1.3529e-08 au
  Orbit Determination Parameters
   # obs. used (total)      981  
   data-arc span      21765 days (59.59 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51694  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:43:01  

Additional Information
 Earth MOID = 1.30533 au 
 Jupiter MOID = 2.23218 au 
 T_jup = 3.356 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456558.5 (2013-Sep-23.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1462227649899516 3.2552e-08  
q 2.298039460205001 8.8261e-08 au
tp 2456772.907908906932
(2014-Apr-25.40790891)
8.5406e-05 TDB
node 245.8055601024342 0.00040953 deg
peri 174.4558801879713 0.00040999 deg
i .7495166948051115 3.6702e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      981  
   data-arc span      21765 days (59.59 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51694  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:43:01  

Additional Information
 Jupiter MOID = 2.23218 au 
 T_jup = 3.356 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.059610498804865E-15 -2.854570356595607E-15 -4.425200134484022E-13 4.671124778283185E-15 -1.262908288346306E-13 2.084485446505927E-17
q -2.854570356595607E-15 7.790042837643847E-15 1.457286438610377E-12 -1.842096833809866E-14 4.014577425113047E-13 -7.637511858774623E-18
tp -4.425200134484022E-13 1.457286438610377E-12 7.294104550892824E-9 -9.58262251091007E-12 1.700831246647187E-9 -1.015827972988458E-13
node 4.671124778283185E-15 -1.842096833809866E-14 -9.58262251091007E-12 1.677158774758505E-7 -1.677036585354266E-7 -1.572122523082631E-10
peri -1.262908288346306E-13 4.014577425113047E-13 1.700831246647187E-9 -1.677036585354266E-7 1.68093638121515E-7 1.571746593485961E-10
i 2.084485446505927E-17 -7.637511858774623E-18 -1.015827972988458E-13 -1.572122523082631E-10 1.571746593485961E-10 1.34704568253637E-11

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 15.2   n/a MPO468233  
diameter diameter 5.851 km 0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39402 (9074 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
 9074 P-L = 2000 SA153 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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