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JPL Small-Body Database Browser
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20463 (1999 MC1)
Classification: Main-belt Asteroid          SPK-ID: 2020463
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04437397628797172 3.2679e-08  
a 2.295738518151067 9.2633e-09 au
q 2.193867471583249 7.4636e-08 au
i 7.002718131394264 5.045e-06 deg
node 191.8267273895709 3.0074e-05 deg
peri 286.0039854492381 6.7165e-05 deg
M 73.80571605853875 6.0063e-05 deg
tp 2458340.022895486152
(2018-Aug-09.52289549)		 0.0002119 TDB
period 1270.521615840846
3.48		 7.6898e-06
2.105e-08		 d
yr
n .2833481898391377 1.715e-09 deg/d
Q 2.397609564718886 9.6743e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1057  
   data-arc span      8226 days (22.52 yr)  
   first obs. used      1996-11-01  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52902  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:52:40  

Additional Information
 Earth MOID = 1.2215 au 
 Jupiter MOID = 2.62611 au 
 T_jup = 3.584 
[ 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 15.4   n/a MPO384929  
diameter diameter 2.683 km 0.600 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.224   0.126 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20463 (1999 MC1)          Discovered 1999-Jun-23 by Zoltowski, F. B. at Woomera
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 MC1 = 1998 FC27 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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