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180008 (2002 YZ18)
Classification: Main-belt Asteroid          SPK-ID: 2180008
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2080811655979871 4.8194e-08  
a 2.578982472525759 1.3634e-08 au
q 2.04234479358582 1.2964e-07 au
i 2.909251914996779 3.4634e-06 deg
node 242.434107674544 8.9404e-05 deg
peri 132.3599024426263 8.9876e-05 deg
M 173.2132287876572 1.0769e-05 deg
tp 2458472.637123896494
(2018-Dec-20.13712390)
4.1515e-05 TDB
period 1512.763414383821
4.14
1.1996e-05
3.284e-08
d
yr
n .2379750835966873 1.8871e-09 deg/d
Q 3.115620151465698 1.6471e-08 au
  Orbit Determination Parameters
   # obs. used (total)      748  
   data-arc span      6313 days (17.28 yr)  
   first obs. used      2002-12-10  
   last obs. used      2020-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55352  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:24:46  

Additional Information
 Earth MOID = 1.04342 au 
 Jupiter MOID = 2.36081 au 
 T_jup = 3.393 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457034.5 (2015-Jan-12.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2067150514809955 4.8395e-08  
q 2.046361660098072 1.3019e-07 au
tp 2456954.455081254649
(2014-Oct-23.95508125)
3.5923e-05 TDB
node 242.7598512955641 8.9871e-05 deg
peri 131.2860270672122 9.0344e-05 deg
i 2.899727307536314 3.4518e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      748  
   data-arc span      6313 days (17.28 yr)  
   first obs. used      2002-12-10  
   last obs. used      2020-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55352  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:24:46  

Additional Information
 Jupiter MOID = 2.36081 au 
 T_jup = 3.393 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.342030588424648E-15 -6.283129978944882E-15 -7.513331914197593E-13 -3.457693394467667E-14 -2.012372929691382E-13 -2.888512842453976E-15
q -6.283129978944882E-15 1.694835651385795E-14 2.093205698325545E-12 9.58431811505495E-14 5.565106378789353E-13 7.882570199605E-15
tp -7.513331914197593E-13 2.093205698325545E-12 1.290489723104561E-9 1.557723725008641E-11 3.583959705756118E-10 1.040987575038635E-12
node -3.457693394467667E-14 9.58431811505495E-14 1.557723725008641E-11 8.076851818420435E-9 -8.061549218142306E-9 -9.531014884357936E-11
peri -2.012372929691382E-13 5.565106378789353E-13 3.583959705756118E-10 -8.061549218142306E-9 8.162059960267861E-9 9.55187156326443E-11
i -2.888512842453976E-15 7.882570199605E-15 1.040987575038635E-12 -9.531014884357936E-11 9.55187156326443E-11 1.191509693368551E-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 16.10   n/a E2021B55  

180008 (2002 YZ18)          Discovered 2002-Dec-31 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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