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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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1610832982121046 4.1326e-08  
a 2.609242098490518 7.8092e-09 au
q 2.188936775431792 1.0861e-07 au
i 13.27626340519799 4.5399e-06 deg
node 208.2511376751136 1.2223e-05 deg
peri 187.7060283404177 1.6282e-05 deg
M 6.207520432303191 8.9759e-06 deg
tp 2459173.954821546175
(2020-Nov-20.45482155)
3.8405e-05 TDB
period 1539.46561233169
4.21
6.9112e-06
1.892e-08
d
yr
n .2338473799715087 1.0498e-09 deg/d
Q 3.029547421549244 9.0672e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2039  
   data-arc span      12611 days (34.53 yr)  
   first obs. used      1986-09-09  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43738  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:54:49  

Additional Information
 Earth MOID = 1.19497 au 
 Jupiter MOID = 2.40602 au 
 T_jup = 3.355 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457385.5 (2015-Dec-29.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1633189155499378 4.1599e-08  
q 2.182803562392961 1.0963e-07 au
tp 2457631.488103431813
(2016-Aug-30.98810343)
3.8923e-05 TDB
node 208.3585269898774 1.2192e-05 deg
peri 187.0735736815379 1.61e-05 deg
i 13.29622958435622 4.5462e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2039  
   data-arc span      12611 days (34.53 yr)  
   first obs. used      1986-09-09  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43738  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:54:49  

Additional Information
 Jupiter MOID = 2.40602 au 
 T_jup = 3.355 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.730436548282624E-15 -4.552469404045821E-15 1.002662020132792E-13 -9.116226751135885E-15 4.591934283905405E-14 -4.924583633830882E-15
q -4.552469404045821E-15 1.201848821457887E-14 -3.443330398110129E-13 2.315585382475423E-14 -1.422555338262355E-13 1.334145201657363E-14
tp 1.002662020132792E-13 -3.443330398110129E-13 1.514992844058903E-9 9.929423038538667E-13 4.14166174350273E-10 -8.385465558053968E-14
node -9.116226751135885E-15 2.315585382475423E-14 9.929423038538667E-13 1.486408857285891E-10 -1.439180859657662E-10 5.638280677825414E-12
peri 4.591934283905405E-14 -1.422555338262355E-13 4.14166174350273E-10 -1.439180859657662E-10 2.592102806098474E-10 -5.563063361772705E-12
i -4.924583633830882E-15 1.334145201657363E-14 -8.385465558053968E-14 5.638280677825414E-12 -5.563063361772705E-12 2.066786636234024E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.65   n/a MPCxxxxx  
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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