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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1666421762829125 3.6991e-08  
a 2.282687447276679 8.8943e-09 au
q 1.902295443288807 8.3832e-08 au
i 6.379309173823023 5.131e-06 deg
node 301.5301324897225 3.8006e-05 deg
peri 86.99579516418603 4.1296e-05 deg
M 187.0425840349026 1.6465e-05 deg
tp 2459205.708181185662
(2020-Dec-22.20818119)
5.9159e-05 TDB
period 1259.702823444155
3.45
7.3625e-06
2.016e-08
d
yr
n .2857816885856647 1.6703e-09 deg/d
Q 2.663079451264551 1.0377e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1191  
   data-arc span      9244 days (25.31 yr)  
   first obs. used      1994-01-17  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50758  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:49:53  

Additional Information
 Earth MOID = .919097 au 
 Jupiter MOID = 2.81223 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 14.8   n/a MPO319337  
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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