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15181 (9525 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2015181
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1288827462567543 3.3099e-08  
a 2.269143703176515 6.3296e-09 au
q 1.976690231059905 7.4925e-08 au
i 3.496410923885596 3.506e-06 deg
node 57.10362610030907 5.7338e-05 deg
peri 337.233680252463 5.8917e-05 deg
M 249.2381726047495 1.3553e-05 deg
tp 2459780.630718735886
(2022-Jul-20.13071874)
4.7486e-05 TDB
period 1248.508281209964
3.42
5.2239e-06
1.43e-08
d
yr
n .2883441026527385 1.2065e-09 deg/d
Q 2.561597175293126 7.1454e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1658  
   data-arc span      22175 days (60.71 yr)  
   first obs. used      1960-10-17  
   last obs. used      2021-07-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50801  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 13:57:35  

Additional Information
 Earth MOID = .983114 au 
 Jupiter MOID = 2.84146 au 
 T_jup = 3.600 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456826.5 (2014-Jun-18.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1283314393860302 3.304e-08  
q 1.978274048172729 7.4722e-08 au
tp 2457281.995306038422
(2015-Sep-16.49530604)
4.5724e-05 TDB
node 57.14284835034399 5.7371e-05 deg
peri 336.9133753885769 5.897e-05 deg
i 3.495977081863894 3.5039e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1658  
   data-arc span      22175 days (60.71 yr)  
   first obs. used      1960-10-17  
   last obs. used      2021-07-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50801  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 13:57:35  

Additional Information
 Jupiter MOID = 2.84146 au 
 T_jup = 3.600 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.091645108705852E-15 -2.461973666073968E-15 -1.221529128054455E-13 2.63131968632218E-15 -6.23008708168607E-14 -9.423641931781239E-17
q -2.461973666073968E-15 5.583405908772355E-15 3.024981256905757E-13 -6.288478247621608E-15 1.4462715784563E-13 2.558651040332642E-16
tp -1.221529128054455E-13 3.024981256905757E-13 2.090663851746527E-9 -3.99473111383518E-12 6.324712622826758E-10 1.126830412028523E-13
node 2.63131968632218E-15 -6.288478247621608E-15 -3.99473111383518E-12 3.291412861683767E-9 -3.28614849490148E-9 -1.692185235895633E-11
peri -6.23008708168607E-14 1.4462715784563E-13 6.324712622826758E-10 -3.28614849490148E-9 3.477457961916406E-9 1.692431795376185E-11
i -9.423641931781239E-17 2.558651040332642E-16 1.126830412028523E-13 -1.692185235895633E-11 1.692431795376185E-11 1.227751957634836E-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 15.06   n/a E2021B10  
diameter diameter 2.910 km 0.451 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.275   0.100 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15181 (9525 P-L)          Discovered 1960-Oct-17 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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