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72189 (2000 YA121)
Classification: Main-belt Asteroid          SPK-ID: 2072189
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09454963462967277 6.0708e-08  
a 2.294118454553976 1.028e-08 au
q 2.077210392878708 1.361e-07 au
i 5.851839973979144 3.9096e-06 deg
node 276.2933873963476 5.6545e-05 deg
peri 252.0084017811247 5.9057e-05 deg
M 248.0604472897951 1.9302e-05 deg
tp 2459791.141952450073
(2022-Jul-30.64195245)
6.8639e-05 TDB
period 1269.176974914554
3.47
8.5311e-06
2.336e-08
d
yr
n .2836483856195363 1.9066e-09 deg/d
Q 2.511026516229244 1.1252e-08 au
  Orbit Determination Parameters
   # obs. used (total)      826  
   data-arc span      8795 days (24.08 yr)  
   first obs. used      1996-11-07  
   last obs. used      2020-12-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47462  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:49:03  

Additional Information
 Earth MOID = 1.09362 au 
 Jupiter MOID = 2.49125 au 
 T_jup = 3.583 
[ 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 15.71   n/a E2021B10  
diameter diameter 2.179 km 0.365 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.195   0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72189 (2000 YA121)          Discovered 2000-Dec-21 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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