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85390 (1996 QZ2)
Classification: Main-belt Asteroid          SPK-ID: 2085390
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2613545774825135 4.1425e-08  
a 2.612172911817723 1.4067e-08 au
q 1.929469564138335 1.126e-07 au
i 2.71973687252075 3.589e-06 deg
node 250.7641557549982 9.719e-05 deg
peri 91.05089628456207 9.7381e-05 deg
M 219.1424685241751 7.5746e-06 deg
tp 2459603.863287676484
(2022-Jan-24.36328768)
3.5354e-05 TDB
period 1542.060131877392
4.22
1.2456e-05
3.41e-08
d
yr
n .2334539312430803 1.8857e-09 deg/d
Q 3.294876259497111 1.7743e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1021  
   data-arc span      16276 days (44.56 yr)  
   first obs. used      1975-10-03  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48976  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:36:07  

Additional Information
 Earth MOID = .923702 au 
 Jupiter MOID = 2.13316 au 
 T_jup = 3.358 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457031.5 (2015-Jan-09.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2593665411512571 4.1388e-08  
q 1.937434244220766 1.1232e-07 au
tp 2456513.156797902486
(2013-Aug-08.65679790)
2.7609e-05 TDB
node 251.3185542806401 9.7105e-05 deg
peri 89.92379328078873 9.7302e-05 deg
i 2.718396217195152 3.5933e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1021  
   data-arc span      16276 days (44.56 yr)  
   first obs. used      1975-10-03  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48976  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 15:36:07  

Additional Information
 Jupiter MOID = 2.13316 au 
 T_jup = 3.358 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.712940787550046E-15 -4.631496867351618E-15 -1.446341220331185E-13 -5.192226573376142E-15 -5.697479207793353E-14 -1.17763293455833E-15
q -4.631496867351618E-15 1.261581081419927E-14 3.656516797055986E-13 1.64031058992564E-14 1.536186249889154E-13 3.379754393270274E-15
tp -1.446341220331185E-13 3.656516797055986E-13 7.622338692419003E-10 -3.399260824782112E-12 1.984270038472809E-10 4.402397178575814E-13
node -5.192226573376142E-15 1.64031058992564E-14 -3.399260824782112E-12 9.429351627881235E-9 -9.418998247876917E-9 4.494021523950517E-11
peri -5.697479207793353E-14 1.536186249889154E-13 1.984270038472809E-10 -9.418998247876917E-9 9.467736114417607E-9 -4.478648180029284E-11
i -1.17763293455833E-15 3.379754393270274E-15 4.402397178575814E-13 4.494021523950517E-11 -4.478648180029284E-11 1.291206647246136E-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 15.1   n/a MPO337902  
diameter diameter 4.938 km 0.214 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85390 (1996 QZ2)          Discovered 1996-Aug-18 by Elst, E. W. at Caussols
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1996 QZ2 = 1975 TS = 1992 XD1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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