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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0443809268187831 3.1599e-08  
a 2.296708456594939 7.9836e-09 au
q 2.194778406658719 7.2863e-08 au
i 7.000892152698765 3.9817e-06 deg
node 191.7642140496813 2.5915e-05 deg
peri 287.0815203219969 5.603e-05 deg
M 186.0286502437475 5.1717e-05 deg
tp 2459614.873483674090
(2022-Feb-04.37348367)
0.00018384 TDB
period 1271.326884757492
3.48
6.6289e-06
1.815e-08
d
yr
n .2831687147626638 1.4765e-09 deg/d
Q 2.398638506531159 8.3379e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1302  
   data-arc span      8772 days (24.02 yr)  
   first obs. used      1996-11-01  
   last obs. used      2020-11-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49928  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:13:52  

Additional Information
 Earth MOID = 1.2217 au 
 Jupiter MOID = 2.62204 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 15.4   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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