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22180 (2000 YZ)
Classification: Jupiter Trojan          SPK-ID: 2022180
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07060921153037926 3.3807e-08  
a 5.17816584020181 9.2411e-08 au
q 4.812539633051617 1.6326e-07 au
i 29.29818284337494 1.6643e-06 deg
node 247.6191307502464 8.8595e-07 deg
peri 145.5410981838391 2.5024e-05 deg
M 209.0547293889456 2.447e-05 deg
tp 2461005.093420186244
(2025-Nov-25.59342019)
0.00032336 TDB
period 4303.901862159243
11.78
0.00011521
3.154e-07
d
yr
n .08364502991232008 2.2391e-09 deg/d
Q 5.543792047352005 9.8936e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1697  
   data-arc span      24219 days (66.31 yr)  
   first obs. used      1954-11-23  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42941  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:01:56  

Additional Information
 Earth MOID = 3.85003 au 
 Jupiter MOID = .122001 au 
 T_jup = 2.740 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.26   n/a E2021B10  
diameter diameter 39.753 km 2.824 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 19.39 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[French, L.M.; Stephens, R.D.; Coley, D.R.; Megna, R.; Wasserman, L.H. (2012) Minor Planet Bull. 39, 183-187.]
[Stephens, R.D.; French, L.M.; Davitt, C.; Coley, D.R. (2014) Minor Planet Bull. 41, 95-100.]
[Stephens, R.D.; Coley, D.R.; French, L.M. (2016) Minor Planet Bull. 43, 265-270.]
geometric albedo albedo 0.102   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

22180 (2000 YZ)          Discovered 2000-Dec-19 by LONEOS at Anderson Mesa
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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