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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1825181094776766 3.4001e-08  
a 2.438009953033881 1.1057e-08 au
q 1.993028985518378 8.3976e-08 au
i 10.64052025923533 4.565e-06 deg
node 186.6581808986036 2.4204e-05 deg
peri 106.2027548473583 2.814e-05 deg
M 125.278357386518 1.5656e-05 deg
tp 2458716.633909230083
(2019-Aug-21.13390923)
5.904e-05 TDB
period 1390.438031844086
3.81
9.459e-06
2.59e-08
d
yr
n .258911214851154 1.7613e-09 deg/d
Q 2.882990920549385 1.3075e-08 au
  Orbit Determination Parameters
   # obs. used (total)      779  
   data-arc span      12939 days (35.43 yr)  
   first obs. used      1985-08-16  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50727  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:39:47  

Additional Information
 Earth MOID = 1.00691 au 
 Jupiter MOID = 2.39605 au 
 T_jup = 3.457 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457120.5 (2015-Apr-08.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1823397944288584 3.3862e-08  
q 1.993174627253907 8.3596e-08 au
tp 2457327.287245700794
(2015-Oct-31.78724570)
5.6142e-05 TDB
node 186.6969849182128 2.4191e-05 deg
peri 106.3937224072403 2.8168e-05 deg
i 10.64348542422476 4.5671e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      779  
   data-arc span      12939 days (35.43 yr)  
   first obs. used      1985-08-16  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50727  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:39:47  

Additional Information
 Jupiter MOID = 2.39605 au 
 T_jup = 3.457 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.146657266115939E-15 -2.814159392206457E-15 -7.442294204828066E-13 6.634140250622093E-15 -1.911958267761458E-13 -1.797739641981398E-15
q -2.814159392206457E-15 6.988371358856442E-15 1.942698839600264E-12 -1.357036765433967E-14 4.902596667614947E-13 5.521425256009742E-15
tp -7.442294204828066E-13 1.942698839600264E-12 3.151940432631328E-9 -8.826335308779602E-12 8.322754164789384E-10 8.031711040401126E-12
node 6.634140250622093E-15 -1.357036765433967E-14 -8.826335308779602E-12 5.8521104626234E-10 -5.769618435178913E-10 4.628640662617191E-11
peri -1.911958267761458E-13 4.902596667614947E-13 8.322754164789384E-10 -5.769618435178913E-10 7.934344695724483E-10 -4.346186397820397E-11
i -1.797739641981398E-15 5.521425256009742E-15 8.031711040401126E-12 4.628640662617191E-11 -4.346186397820397E-11 2.085855532550226E-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

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