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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 | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1685037956449488 4.2073e-08  
a 2.220851010387781 7.6193e-09 au
q 1.84662918557552 9.3404e-08 au
i 4.743676044935198 5.1632e-06 deg
node 213.2044003044986 4.1646e-05 deg
peri 132.6076211424068 4.3736e-05 deg
M 82.59043355399346 1.3262e-05 deg
tp 2458323.164919077989
(2018-Jul-23.66491908)
4.4537e-05 TDB
period 1208.864330112194
3.31
6.2211e-06
1.703e-08
d
yr
n .2978001675064633 1.5325e-09 deg/d
Q 2.595072835200042 8.9032e-09 au
  Orbit Determination Parameters
   # obs. used (total)      896  
   data-arc span      7460 days (20.42 yr)  
   first obs. used      1998-08-17  
   last obs. used      2019-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5007  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:16:11  

Additional Information
 Earth MOID = .842901 au 
 Jupiter MOID = 2.8237 au 
 T_jup = 3.626 
[ 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 15.6   n/a MPO453287  
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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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