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JPL Small-Body Database Browser
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19508 (1998 MC17)
Classification: Outer Main-belt Asteroid          SPK-ID: 2019508
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2136109959896504 3.4702e-08  
a 3.212156315626426 1.9849e-08 au
q 2.526004405771019 1.0656e-07 au
i 1.221853686757363 4.2086e-06 deg
node 47.58304913357085 0.000184 deg
peri 61.23455807861443 0.00018429 deg
M 144.2930731818163 1.2591e-05 deg
tp 2458157.676926396192
(2018-Feb-08.17692640)		 6.8695e-05 TDB
period 2102.778046143986
5.76		 1.949e-05
5.336e-08		 d
yr
n .1712020917567394 1.5868e-09 deg/d
Q 3.898308225481832 2.4089e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1155  
   data-arc span      8974 days (24.57 yr)  
   first obs. used      1994-12-04  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57291  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:49:31  

Additional Information
 Earth MOID = 1.54304 au 
 Jupiter MOID = 1.24324 au 
 T_jup = 3.155 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO347675  
diameter diameter 9.143 km 0.489 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19508 (1998 MC17)          Discovered 1998-Jun-27 by Spacewatch at Kitt Peak
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 MC17 = 1994 XA6 = 1999 SM14 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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