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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .130387294064242 4.9006e-08  
a 2.513924566235879 7.6397e-09 au
q 2.18614074456276 1.2332e-07 au
i 11.49492967402969 6.0804e-06 deg
node 207.2628933520841 1.2782e-05 deg
peri 216.8930607448449 2.6048e-05 deg
M 349.2234484173351 2.0248e-05 deg
tp 2459244.081693397102
(2021-Jan-29.58169340)
8.1865e-05 TDB
period 1455.884055544678
3.99
6.6366e-06
1.817e-08
d
yr
n .2472724380962577 1.1272e-09 deg/d
Q 2.841708387908999 8.6358e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1748  
   data-arc span      22028 days (60.31 yr)  
   first obs. used      1960-09-26  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43882  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:37:17  

Additional Information
 Earth MOID = 1.20806 au 
 Jupiter MOID = 2.5378 au 
 T_jup = 3.420 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457236.5 (2015-Aug-02.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1310683340710936 4.9896e-08  
q 2.184575815412546 1.2591e-07 au
tp 2457783.431530207489
(2017-Jan-29.93153021)
8.1472e-05 TDB
node 207.367066680131 1.2755e-05 deg
peri 215.8705374462055 2.5793e-05 deg
i 11.50761008963204 6.0874e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1748  
   data-arc span      22028 days (60.31 yr)  
   first obs. used      1960-09-26  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43882  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:37:17  

Additional Information
 Jupiter MOID = 2.5378 au 
 T_jup = 3.420 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.489587116410049E-15 -6.274023278882932E-15 -2.986848630282955E-12 2.836826519589574E-15 -7.905300596835939E-13 2.796514363124009E-15
q -6.274023278882932E-15 1.585439741113143E-14 7.451283633275975E-12 -7.506490509928928E-15 1.966943814955261E-12 -6.282072026224279E-15
tp -2.986848630282955E-12 7.451283633275975E-12 6.637628662931819E-9 -6.503540440405662E-12 1.827223632212063E-9 -3.112892382337134E-12
node 2.836826519589574E-15 -7.506490509928928E-15 -6.503540440405662E-12 1.626792179745657E-10 -1.607551090999536E-10 -8.474480491241824E-12
peri -7.905300596835939E-13 1.966943814955261E-12 1.827223632212063E-9 -1.607551090999536E-10 6.652982213068708E-10 7.408855921795932E-12
i 2.796514363124009E-15 -6.282072026224279E-15 -3.112892382337134E-12 -8.474480491241824E-12 7.408855921795932E-12 3.705687734401609E-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 14.54   n/a E2021B10  
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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