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146826 (2001 YK145)
Classification: Main-belt Asteroid          SPK-ID: 2146826
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1468192596560595 7.866e-08  
a 3.088129430513431 3.4787e-08 au
q 2.634732553803361 2.4592e-07 au
i 11.00332823758232 1.1738e-05 deg
node 326.1749497408115 3.2045e-05 deg
peri 49.21397296074261 4.8748e-05 deg
M 220.8982367020395 3.6363e-05 deg
tp 2459766.399529712149
(2022-Jul-05.89952971)
0.00020545 TDB
period 1982.17351210541
5.43
3.3493e-05
9.17e-08
d
yr
n .1816188127837598 3.0689e-09 deg/d
Q 3.541526307223502 3.9895e-08 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      8121 days (22.23 yr)  
   first obs. used      1997-01-09  
   last obs. used      2019-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60482  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:31:53  

Additional Information
 Earth MOID = 1.64984 au 
 Jupiter MOID = 2.0012 au 
 T_jup = 3.181 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456599.5 (2013-Nov-03.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1470664429558036 7.769e-08  
q 2.633671444632657 2.4223e-07 au
tp 2455805.470707072537
(2011-Aug-31.97070707)
0.00018869 TDB
node 326.1978277320875 3.2055e-05 deg
peri 49.91652798754247 4.8884e-05 deg
i 11.00222353618802 1.1736e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      8121 days (22.23 yr)  
   first obs. used      1997-01-09  
   last obs. used      2019-04-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60482  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:31:53  

Additional Information
 Jupiter MOID = 2.0012 au 
 T_jup = 3.181 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.03575425613533E-15 -1.867618197386132E-14 -8.643268930985558E-12 1.336326635971521E-14 -1.769579518077544E-12 8.952497244214898E-16
q -1.867618197386132E-14 5.867469252461855E-14 2.713781203370252E-11 -3.907298749652832E-14 5.61633015343138E-12 2.856187799003976E-15
tp -8.643268930985558E-12 2.713781203370252E-11 3.560567821724203E-8 -5.492942444011729E-11 6.973421319485302E-9 -8.639429764800008E-12
node 1.336326635971521E-14 -3.907298749652832E-14 -5.492942444011729E-11 1.027549067373711E-9 -1.017596060889246E-9 -3.85628258828987E-11
peri -1.769579518077544E-12 5.61633015343138E-12 6.973421319485302E-9 -1.017596060889246E-9 2.38962491213704E-9 3.669412583503519E-11
i 8.952497244214898E-16 2.856187799003976E-15 -8.639429764800008E-12 -3.85628258828987E-11 3.669412583503519E-11 1.377370214606992E-10

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO385653  
diameter diameter 5.263 km 0.373 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

146826 (2001 YK145)          Discovered 2001-Dec-17 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

Alternate Designations
 2001 YK145 = 2000 SC304 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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