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17591 (1995 DG)
Classification: Main-belt Asteroid          SPK-ID: 2017591
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2073977189052872 1.8429e-08  
a 3.130609353716511 1.4727e-08 au
q 2.481328114972151 6.179e-08 au
i 17.1570858534176 6.6714e-07 deg
node 147.7417586971631 2.4751e-06 deg
peri 296.8792185474552 2.8321e-06 deg
M 288.3009455870982 3.2653e-06 deg
tp 2459603.451402747103
(2022-Jan-23.95140275)
2.0252e-05 TDB
period 2023.213641752767
5.54
1.4276e-05
3.909e-08
d
yr
n .1779347433067532 1.2556e-09 deg/d
Q 3.77989059246087 1.7781e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2276  
   data-arc span      13997 days (38.32 yr)  
   first obs. used      1982-09-24  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45521  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:07:20  

Additional Information
 Earth MOID = 1.54956 au 
 Jupiter MOID = 1.62636 au 
 T_jup = 3.112 
[ 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 12.61   n/a E2021B10  
diameter diameter 8.590 km 1.491 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 6.558 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.289   0.216 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

17591 (1995 DG)          Discovered 1995-Feb-20 by Kobayashi, T. at Oizumi
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 DG = 1998 QP49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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