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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04475613139024322 3.163e-08  
a 2.295658273768696 7.9318e-09 au
q 2.192913490440805 7.2919e-08 au
i 7.003205713174238 3.9799e-06 deg
node 191.7441965287211 2.5733e-05 deg
peri 287.4963973469563 5.5472e-05 deg
M 242.2793055204786 5.1285e-05 deg
tp 2459615.941236638354
(2022-Feb-05.44123664)
0.00018181 TDB
period 1270.455002419516
3.48
6.5844e-06
1.803e-08
d
yr
n .2833630465576494 1.4686e-09 deg/d
Q 2.398403057096586 8.2868e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1317  
   data-arc span      8804 days (24.10 yr)  
   first obs. used      1996-11-01  
   last obs. used      2020-12-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49841  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:21:45  

Additional Information
 Earth MOID = 1.21964 au 
 Jupiter MOID = 2.62111 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 15.41   n/a E2021B10  
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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