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17756 (1998 DM13)
Classification: Main-belt Asteroid          SPK-ID: 2017756
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .092545670348539 3.4211e-08  
a 2.589774679159209 1.427e-08 au
q 2.350102245424748 9.3594e-08 au
i 12.94898625895916 5.5788e-06 deg
node 234.924951915206 1.8499e-05 deg
peri 73.76380723820529 3.9077e-05 deg
M 2.811676476079853 3.3369e-05 deg
tp 2458988.610755891856
(2020-May-19.11075589)
0.00014111 TDB
period 1522.26897914627
4.17
1.2582e-05
3.445e-08
d
yr
n .2364890863123926 1.9546e-09 deg/d
Q 2.82944711289367 1.559e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1576  
   data-arc span      11896 days (32.57 yr)  
   first obs. used      1987-10-02  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47038  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:40:31  

Additional Information
 Earth MOID = 1.37325 au 
 Jupiter MOID = 2.36583 au 
 T_jup = 3.378 
[ 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 13.6   n/a MPO395173  
diameter diameter 4.912 km 0.155 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.291   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17756 (1998 DM13)          Discovered 1998-Feb-25 by JPL/GEODSS NEAT at Haleakala
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 DM13 = 1987 TD = 1999 NM53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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