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85152 (1985 QL3)
Classification: Main-belt Asteroid          SPK-ID: 2085152
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1826130497337793 3.4739e-08  
a 2.437554962045083 1.1599e-08 au
q 1.992425616532324 8.636e-08 au
i 10.64136375686505 4.8971e-06 deg
node 186.6624715366797 2.4213e-05 deg
peri 106.1428438892661 2.844e-05 deg
M 73.5415297572937 1.5593e-05 deg
tp 2458716.538009992755
(2019-Aug-21.03800999)
5.946e-05 TDB
period 1390.048816498404
3.81
9.9215e-06
2.716e-08
d
yr
n .2589837103036829 1.8485e-09 deg/d
Q 2.882684307557842 1.3717e-08 au
  Orbit Determination Parameters
   # obs. used (total)      715  
   data-arc span      12875 days (35.25 yr)  
   first obs. used      1985-08-16  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52137  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:14:05  

Additional Information
 Earth MOID = 1.00819 au 
 Jupiter MOID = 2.39693 au 
 T_jup = 3.457 
[ 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 15.8   n/a MPO493472  
diameter diameter 4.463 km 0.299 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.051   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85152 (1985 QL3)          Discovered 1985-Aug-16 by Helin, E. F. at Palomar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1985 QL3 = 2000 NW9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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