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5263 Arrius (1991 GY9)
Classification: Main-belt Asteroid          SPK-ID: 2005263
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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01490719238526389 3.7066e-08  
a 3.1958590763971 1.85e-08 au
q 3.148217790309057 1.1814e-07 au
i 14.7829933034317 4.2259e-06 deg
node 226.2540482599491 1.3455e-05 deg
peri 314.5885509838498 0.00013298 deg
M 73.39394260923733 0.00013055 deg
tp 2458775.060729912205
(2019-Oct-18.56072991)
0.00075807 TDB
period 2086.795337416983
5.71
1.812e-05
4.961e-08
d
yr
n .1725133239206892 1.498e-09 deg/d
Q 3.243500362485144 1.8776e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2448  
   data-arc span      14896 days (40.78 yr)  
   first obs. used      1980-06-06  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .413  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 22:09:12  

Additional Information
 Earth MOID = 2.15042 au 
 Jupiter MOID = 1.75674 au 
 T_jup = 3.144 
[ 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 11.78   n/a E2021B10  
diameter diameter 25.615 km 0.429 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 6.907 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.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.062   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

5263 Arrius (1991 GY9)          Discovered 1991-Apr-13 by Steel, D. I. at Siding Spring
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 GY9 = 1980 JS = 1986 LQ = 1988 UQ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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