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30598 (2001 QA117)
Classification: Main-belt Asteroid          SPK-ID: 2030598
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 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1643392502986491 2.3288e-08  
a 2.698377048257164 1.1387e-08 au
q 2.2549277871235 6.3204e-08 au
i 12.42393441618919 4.0432e-07 deg
node 332.7471197374265 3.8969e-06 deg
peri 303.0883128809356 4.2327e-06 deg
M 192.8903109366045 7.1813e-06 deg
tp 2459952.038975683638
(2023-Jan-07.53897568)
3.5795e-05 TDB
period 1619.020613122386
4.43
1.0248e-05
2.806e-08
d
yr
n .2223566501143655 1.4075e-09 deg/d
Q 3.141826309390828 1.3258e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2178  
   data-arc span      9523 days (26.07 yr)  
   first obs. used      1995-02-22  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47971  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 04:30:42  

Additional Information
 Earth MOID = 1.26398 au 
 Jupiter MOID = 2.1505 au 
 T_jup = 3.316 
[ 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 13.51   n/a MPCxxxxx  
diameter diameter 6.275 km 0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.709 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.310   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30598 (2001 QA117)          Discovered 2001-Aug-17 by LINEAR at Socorro
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 QA117 = 1995 DK12 = 1999 CT17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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