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17750 (1998 DZ1)
Classification: Main-belt Asteroid          SPK-ID: 2017750
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1596686980528612 3.8054e-08  
a 2.571045031004639 1.3015e-08 au
q 2.16052961826885 9.5093e-08 au
i 12.39017129438501 5.7199e-06 deg
node 332.227905083312 1.432e-05 deg
peri 250.724655033341 2.3443e-05 deg
M 112.6546101245532 1.7246e-05 deg
tp 2458729.295510256155
(2019-Sep-02.79551026)
7.1584e-05 TDB
period 1505.784948527486
4.12
1.1434e-05
3.13e-08
d
yr
n .2390779641887412 1.8154e-09 deg/d
Q 2.981560443740428 1.5093e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1305  
   data-arc span      14172 days (38.80 yr)  
   first obs. used      1982-03-25  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4493  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:11:42  

Additional Information
 Earth MOID = 1.18949 au 
 Jupiter MOID = 2.13353 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 14.52   n/a E2021B10  
diameter diameter 6.250 km 0.123 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17750 (1998 DZ1)          Discovered 1998-Feb-18 by Zoltowski, F. B. at Woomera
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 DZ1 = 1982 FQ1 = 1990 DO4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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