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90600 (4560 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2090600
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0926312304038741 4.8065e-08  
a 2.424854453777091 1.151e-08 au
q 2.200237202173405 1.1854e-07 au
i 14.82654092664646 5.1685e-06 deg
node 181.3543124934026 1.4994e-05 deg
peri 1.940897057021572 2.5364e-05 deg
M 113.0155350150851 2.0064e-05 deg
tp 2458567.525234439044
(2019-Mar-25.02523444)
7.6787e-05 TDB
period 1379.199024108842
3.78
9.8202e-06
2.689e-08
d
yr
n .2610210663632184 1.8585e-09 deg/d
Q 2.649471705380777 1.2577e-08 au
  Orbit Determination Parameters
   # obs. used (total)      639  
   data-arc span      21859 days (59.85 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57191  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 08:13:20  

Additional Information
 Earth MOID = 1.20286 au 
 Jupiter MOID = 2.30704 au 
 T_jup = 3.460 
[ 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 15.7   n/a MPO436406  
diameter diameter 4.557 km 1.173 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.041   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

90600 (4560 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 4560 P-L = 1994 SX12 = 2004 EF38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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