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20181 (1996 YC2)
Classification: Main-belt Asteroid          SPK-ID: 2020181
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1655709549919875 3.4664e-08  
a 2.282652206513266 5.5253e-09 au
q 1.904711300766297 7.9925e-08 au
i 6.382409913314342 3.6515e-06 deg
node 301.5001973033022 3.33e-05 deg
peri 87.10229783624742 3.5754e-05 deg
M 358.316576604917 1.14e-05 deg
tp 2459206.390455822509
(2020-Dec-22.89045582)
3.989e-05 TDB
period 1259.673652093154
3.45
4.5737e-06
1.252e-08
d
yr
n .2857883066791158 1.0377e-09 deg/d
Q 2.660593112260235 6.4402e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1818  
   data-arc span      9911 days (27.13 yr)  
   first obs. used      1994-01-17  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46322  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:14:40  

Additional Information
 Earth MOID = .921031 au 
 Jupiter MOID = 2.8163 au 
 T_jup = 3.578 
[ 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 14.89   n/a E2021B10  
diameter diameter 3.110 km 0.922 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.241   0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

20181 (1996 YC2)          Discovered 1996-Dec-22 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 YC2 = 1998 FB100 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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