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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09218652247532121 1.6804e-08  
a 2.588685470797354 1.0467e-08 au
q 2.350043559462156 4.3623e-08 au
i 12.94947621151418 1.2731e-06 deg
node 234.91165983152 2.4909e-06 deg
peri 73.68272075963151 2.0594e-05 deg
M 50.22305640980701 1.7624e-05 deg
tp 2458988.264516842815
(2020-May-18.76451684)		 7.4782e-05 TDB
period 1521.308725481456
4.17		 9.2271e-06
2.526e-08		 d
yr
n .2366383587828756 1.4353e-09 deg/d
Q 2.827327382132552 1.1432e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2279  
   data-arc span      12182 days (33.35 yr)  
   first obs. used      1987-10-02  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43003  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:11:59  

Additional Information
 Earth MOID = 1.37126 au 
 Jupiter MOID = 2.36589 au 
 T_jup = 3.379 
[ 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 13.72   n/a E2021B10  
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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