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85661 (1998 QY36)
Classification: Main-belt Asteroid          SPK-ID: 2085661
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1690291307111398 3.1557e-08  
a 2.220713223698357 6.4643e-09 au
q 1.845347997937891 7.1925e-08 au
i 4.743823397929091 3.4605e-06 deg
node 213.185119363443 3.9189e-05 deg
peri 132.5444896396735 4.0434e-05 deg
M 319.7837675867909 9.4182e-06 deg
tp 2459531.531790435332
(2021-Nov-13.03179044)
3.1614e-05 TDB
period 1208.751830784451
3.31
5.2779e-06
1.445e-08
d
yr
n .2978278839638807 1.3004e-09 deg/d
Q 2.596078449458823 7.557e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1150  
   data-arc span      8393 days (22.98 yr)  
   first obs. used      1998-08-17  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47842  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 01:54:14  

Additional Information
 Earth MOID = .841709 au 
 Jupiter MOID = 2.82581 au 
 T_jup = 3.626 
[ 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 15.65   n/a MPO637175  
diameter diameter 2.382 km 0.385 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.179   0.091 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85661 (1998 QY36)          Discovered 1998-Aug-17 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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