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46389 (2001 YJ45)
Classification: Main-belt Asteroid          SPK-ID: 2046389
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04343553094273889 3.3575e-08  
a 2.543818937025914 1.017e-08 au
q 2.433326810874 8.3055e-08 au
i 6.405226928526168 3.3641e-06 deg
node 75.89269899657049 3.6622e-05 deg
peri 135.3815565942995 5.8555e-05 deg
M 169.2169367978807 4.5934e-05 deg
tp 2458699.923130436468
(2019-Aug-04.42313044)
0.00018885 TDB
period 1481.930105745846
4.06
8.8867e-06
2.433e-08
d
yr
n .2429264366815832 1.4568e-09 deg/d
Q 2.654311063177828 1.0611e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1111  
   data-arc span      10722 days (29.36 yr)  
   first obs. used      1991-05-13  
   last obs. used      2020-09-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53505  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:48:42  

Additional Information
 Earth MOID = 1.43066 au 
 Jupiter MOID = 2.31582 au 
 T_jup = 3.434 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457230.5 (2015-Jul-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04169153679657502 3.3671e-08  
q 2.438258606991239 8.3146e-08 au
tp 2457214.626942498550
(2015-Jul-11.12694250)
0.00019601 TDB
node 75.94892425994254 3.6569e-05 deg
peri 134.8990780892398 5.9883e-05 deg
i 6.40946642013138 3.366e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1111  
   data-arc span      10722 days (29.36 yr)  
   first obs. used      1991-05-13  
   last obs. used      2020-09-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53505  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:48:42  

Additional Information
 Jupiter MOID = 2.31582 au 
 T_jup = 3.434 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.133760011436486E-15 -2.782109066202302E-15 -1.30891516046483E-12 -1.28400453167831E-14 -3.160810539669081E-13 -1.816779223580352E-15
q -2.782109066202302E-15 6.913178171291893E-15 3.331418363001169E-12 3.179734327182486E-14 8.040224623784998E-13 4.685874604532025E-15
tp -1.30891516046483E-12 3.331418363001169E-12 3.842050770369138E-8 1.384450440977767E-10 9.317465817732656E-9 -1.439593377242592E-12
node -1.28400453167831E-14 3.179734327182486E-14 1.384450440977767E-10 1.337308224486159E-9 -1.29448754553012E-9 1.216455249240422E-11
peri -3.160810539669081E-13 8.040224623784998E-13 9.317465817732656E-9 -1.29448754553012E-9 3.586017829802796E-9 -1.241780232966756E-11
i -1.816779223580352E-15 4.685874604532025E-15 -1.439593377242592E-12 1.216455249240422E-11 -1.241780232966756E-11 1.132985439047653E-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 15.17   n/a E2021B10  
diameter diameter 2.944 km 0.423 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.224   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46389 (2001 YJ45)          Discovered 2001-Dec-18 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 YJ45 = 1999 JG67 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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