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18225 (7069 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2018225
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1302830238984228 4.9437e-08  
a 2.513792534852052 9.6458e-09 au
q 2.186288041958245 1.2433e-07 au
i 11.49510343122074 6.3753e-06 deg
node 207.263112895025 1.5503e-05 deg
peri 216.8666915135328 2.7924e-05 deg
M 299.7809140752695 2.1375e-05 deg
tp 2459244.014167566197
(2021-Jan-29.51416757)
8.6568e-05 TDB
period 1455.769362447742
3.99
8.379e-06
2.294e-08
d
yr
n .2472919195075607 1.4233e-09 deg/d
Q 2.841297027745858 1.0903e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1289  
   data-arc span      21862 days (59.85 yr)  
   first obs. used      1960-09-26  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49011  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:18:35  

Additional Information
 Earth MOID = 1.20892 au 
 Jupiter MOID = 2.5376 au 
 T_jup = 3.421 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456560.5 (2013-Sep-25.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1314978680444418 5.0241e-08  
q 2.183395286592788 1.2689e-07 au
tp 2456328.170119045287
(2013-Feb-04.67011905)
8.4346e-05 TDB
node 207.3802350045732 1.547e-05 deg
peri 215.9802549074712 2.7634e-05 deg
i 11.50842490532019 6.3831e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1289  
   data-arc span      21862 days (59.85 yr)  
   first obs. used      1960-09-26  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49011  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 01:18:35  

Additional Information
 Jupiter MOID = 2.5376 au 
 T_jup = 3.421 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.524129786682681E-15 -6.361197932818601E-15 -3.008066165303158E-12 1.021643602234853E-14 -8.086536835451834E-13 7.433504785387202E-15
q -6.361197932818601E-15 1.610021831905676E-14 7.543948647870472E-12 -2.637570863698832E-14 2.030806119927927E-12 -1.804993542526849E-14
tp -3.008066165303158E-12 7.543948647870472E-12 7.114208775477632E-9 -2.058645559668177E-11 1.935576929567666E-9 -1.002433358337165E-11
node 1.021643602234853E-14 -2.637570863698832E-14 -2.058645559668177E-11 2.393255639122908E-10 -2.397140457217145E-10 -1.71370711969627E-11
peri -8.086536835451834E-13 2.030806119927927E-12 1.935576929567666E-9 -2.397140457217145E-10 7.636541165197076E-10 1.423106133423563E-11
i 7.433504785387202E-15 -1.804993542526849E-14 -1.002433358337165E-11 -1.71370711969627E-11 1.423106133423563E-11 4.074400630968594E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO449084  
diameter diameter 3.471 km 0.368 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.306   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18225 (7069 P-L)          Discovered 1960-Oct-22 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 7069 P-L = 1998 FS96 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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