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JPL Small-Body Database Browser
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15018 (1998 SM34)
Classification: Main-belt Asteroid          SPK-ID: 2015018
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2230329762423294 4.3965e-08  
a 2.343444773366292 8.7411e-09 au
q 1.820779310902877 1.0467e-07 au
i 10.56797813449764 6.3715e-06 deg
node 14.76220834792636 2.2651e-05 deg
peri 51.89073903770363 2.6185e-05 deg
M 333.3550814356924 1.3665e-05 deg
tp 2459097.482284068233
(2020-Sep-04.98228407)
4.9963e-05 TDB
period 1310.329479157528
3.59
7.3313e-06
2.007e-08
d
yr
n .2747400602110096 1.5372e-09 deg/d
Q 2.866110235829707 1.0691e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1097  
   data-arc span      16777 days (45.93 yr)  
   first obs. used      1973-09-27  
   last obs. used      2019-09-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49485  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:18:56  

Additional Information
 Earth MOID = .853777 au 
 Jupiter MOID = 2.54065 au 
 T_jup = 3.507 
[ 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 14.4   n/a MPO395149  
diameter diameter 6.811 km 0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.077   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15018 (1998 SM34)          Discovered 1998-Sep-26 by LINEAR at Socorro
Reference: 20000523/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 SM34 = 1973 SZ4 = 1973 UH4 = 1991 VH13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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