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249781 (2000 WV121)
Classification: Main-belt Asteroid          SPK-ID: 2249781
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06110556076753337 4.1135e-08  
a 2.261404266187974 1.1769e-08 au
q 2.123219890380466 9.1235e-08 au
i 5.950145601291846 4.2195e-06 deg
node 158.002932752557 4.122e-05 deg
peri 277.375254579676 5.5864e-05 deg
M 252.0677702801896 3.7206e-05 deg
tp 2459372.904041797871
(2021-Jun-07.40404180)
0.00012891 TDB
period 1242.126243433166
3.40
9.6962e-06
2.655e-08
d
yr
n .2898256130592496 2.2624e-09 deg/d
Q 2.399588641995482 1.2488e-08 au
  Orbit Determination Parameters
   # obs. used (total)      473  
   data-arc span      6769 days (18.53 yr)  
   first obs. used      2000-11-20  
   last obs. used      2019-06-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54517  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:26:59  

Additional Information
 Earth MOID = 1.14802 au 
 Jupiter MOID = 2.72421 au 
 T_jup = 3.610 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO433637  

249781 (2000 WV121)          Discovered 2000-Nov-29 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 2000 WV121 = 2003 RC21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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