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85395 (1996 SQ4)
Classification: Main-belt Asteroid          SPK-ID: 2085395
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .153026465021598 3.5848e-08  
a 2.662300383728898 1.3536e-08 au
q 2.254897967181221 9.2816e-08 au
i 27.30765504008008 7.0834e-06 deg
node 199.9814169752622 8.9333e-06 deg
peri 275.0697678641209 2.5098e-05 deg
M 175.6531848482067 2.2276e-05 deg
tp 2458622.327862765633
(2019-May-18.82786277)
9.8859e-05 TDB
period 1586.660496052017
4.34
1.2101e-05
3.313e-08
d
yr
n .2268916386938254 1.7304e-09 deg/d
Q 3.069702800276575 1.5607e-08 au
  Orbit Determination Parameters
   # obs. used (total)      846  
   data-arc span      9065 days (24.82 yr)  
   first obs. used      1996-09-20  
   last obs. used      2021-07-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52903  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:09:53  

Additional Information
 Earth MOID = 1.42711 au 
 Jupiter MOID = 2.27087 au 
 T_jup = 3.211 
[ 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 15.14   n/a MPO637172  
diameter diameter 6.447 km 1.662 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 100.278 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.031   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

85395 (1996 SQ4)          Discovered 1996-Sep-20 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1996 SQ4 = 1998 FK95 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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