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541011 (2017 YJ2)
Classification: Main-belt Asteroid          SPK-ID: 2541011
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08700488265301715 4.3237e-08  
a 2.915610685647382 3.0003e-08 au
q 2.661938320080748 1.3108e-07 au
i 6.178436434051783 4.6632e-06 deg
node 177.296630758302 5.0667e-05 deg
peri 185.5879570864035 5.9673e-05 deg
M 314.2518375266361 3.3637e-05 deg
tp 2459627.580809784491
(2022-Feb-17.08080978)
0.00017141 TDB
period 1818.413834016874
4.98
2.8069e-05
7.685e-08
d
yr
n .1979747366993796 3.0559e-09 deg/d
Q 3.169283051214015 3.2614e-08 au
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      6806 days (18.63 yr)  
   first obs. used      2002-11-16  
   last obs. used      2021-07-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53704  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 17:12:35  

Additional Information
 Earth MOID = 1.65839 au 
 Jupiter MOID = 2.27927 au 
 T_jup = 3.267 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458096.5 (2017-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08673511968609682 4.3446e-08  
q 2.660544507398093 1.3114e-07 au
tp 2457818.485788173931
(2017-Mar-05.98578817)
0.00016132 TDB
node 177.3674891811172 5.0721e-05 deg
peri 186.8847007490811 5.9722e-05 deg
i 6.176095710105417 4.6632e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      6806 days (18.63 yr)  
   first obs. used      2002-11-16  
   last obs. used      2021-07-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53704  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 17:12:35  

Additional Information
 Jupiter MOID = 2.27927 au 
 T_jup = 3.267 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.887597833584092E-15 -5.571273631698658E-15 1.65501107514617E-12 -1.997957232227864E-14 3.743750658985796E-13 -7.883838951500492E-16
q -5.571273631698658E-15 1.719686167024405E-14 -3.596935821879454E-12 6.013212169699485E-14 -8.400887768981822E-13 3.546340197049606E-15
tp 1.65501107514617E-12 -3.596935821879454E-12 2.602488307183902E-8 -1.549241680879039E-11 5.132332629410578E-9 1.984348430859845E-12
node -1.997957232227864E-14 6.013212169699485E-14 -1.549241680879039E-11 2.572576886496004E-9 -2.560305237632271E-9 6.891325091317256E-11
peri 3.743750658985796E-13 -8.400887768981822E-13 5.132332629410578E-9 -2.560305237632271E-9 3.566709524467419E-9 -6.808080326502733E-11
i -7.883838951500492E-16 3.546340197049606E-15 1.984348430859845E-12 6.891325091317256E-11 -6.808080326502733E-11 2.174581797066873E-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 16.43   n/a E2021B25  

541011 (2017 YJ2)          Discovered 2009-Feb-01 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-05-29

Alternate Designations
 2017 YJ2 = 2009 CO9 = 2011 OZ51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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