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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456890.5 (2014-Aug-21.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1821979902804935 3.461e-08  
q 1.993903783461635 8.5958e-08 au
tp 2457327.187999769924
(2015-Oct-31.68799977)
5.7154e-05 TDB
node 186.6986727276212 2.4205e-05 deg
peri 106.3294003421836 2.8482e-05 deg
i 10.64190339368976 4.8981e-06 deg
  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
 Jupiter MOID = 2.39693 au 
 T_jup = 3.457 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.197840864149915E-15 -2.956954176358972E-15 -6.778454664531619E-13 6.358292031249935E-15 -1.636620316948935E-13 -3.251031257250411E-15
q -2.956954176358972E-15 7.388777023040614E-15 1.748193806629011E-12 -1.367130236605417E-14 4.109975668048394E-13 9.123658483221705E-15
tp -6.778454664531619E-13 1.748193806629011E-12 3.266531949630979E-9 -8.362355376697666E-12 8.762347928214307E-10 1.199036337196576E-11
node 6.358292031249935E-15 -1.367130236605417E-14 -8.362355376697666E-12 5.858754256645113E-10 -5.774796400199468E-10 4.671478522427784E-11
peri -1.636620316948935E-13 4.109975668048394E-13 8.762347928214307E-10 -5.774796400199468E-10 8.112477078610262E-10 -4.283359959273768E-11
i -3.251031257250411E-15 9.123658483221705E-15 1.199036337196576E-11 4.671478522427784E-11 -4.283359959273768E-11 2.399095560478213E-11

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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