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19511 (1998 MC45)
Classification: Main-belt Asteroid          SPK-ID: 2019511
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .161083299570263 4.1332e-08  
a 2.609242098269379 7.8098e-09 au
q 2.188936771702511 1.0862e-07 au
i 13.27626335370657 4.5408e-06 deg
node 208.251137740166 1.2224e-05 deg
peri 187.7060282257711 1.6283e-05 deg
M 6.207520590033748 8.9763e-06 deg
tp 2459173.954820875047
(2020-Nov-20.45482088)
3.8406e-05 TDB
period 1539.465612135981
4.21
6.9117e-06
1.892e-08
d
yr
n .2338473800012373 1.0499e-09 deg/d
Q 3.029547424836247 9.0678e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2036  
   data-arc span      12601 days (34.50 yr)  
   first obs. used      1986-09-09  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43631  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:56:11  

Additional Information
 Earth MOID = 1.19497 au 
 Jupiter MOID = 2.40602 au 
 T_jup = 3.355 
[ 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 13.64   n/a E2021B10  
diameter diameter 4.627 km 0.295 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.395   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19511 (1998 MC45)          Discovered 1998-Jun-19 by LINEAR at Socorro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 MC45 = 1986 RA12 = 1995 YW3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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