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17757 (1998 DG15)
Classification: Main-belt Asteroid          SPK-ID: 2017757
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06260589631623405 4.1522e-08  
a 2.703806073648544 1.3878e-08 au
q 2.534531870942499 1.0894e-07 au
i 12.80452404617491 4.8241e-06 deg
node 162.9379122088606 1.8809e-05 deg
peri 160.3599323588398 4.4226e-05 deg
M 115.8413092161749 4.1301e-05 deg
tp 2458077.956208387978
(2017-Nov-20.45620839)
0.00018537 TDB
period 1623.909175864713
4.45
1.2502e-05
3.423e-08
d
yr
n .2216872749723236 1.7068e-09 deg/d
Q 2.873080276354589 1.4747e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1619  
   data-arc span      10310 days (28.23 yr)  
   first obs. used      1991-09-15  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51486  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:22:25  

Additional Information
 Earth MOID = 1.52576 au 
 Jupiter MOID = 2.38725 au 
 T_jup = 3.328 
[ 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 13.5   n/a MPO502304  
diameter diameter 5.849 km 0.176 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.156   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17757 (1998 DG15)          Discovered 1998-Feb-22 by JPL/GEODSS NEAT at Haleakala
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 DG15 = 1991 RF38 = 1995 OE10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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