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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2615186054524801 4.1337e-08  
a 2.61183447294753 1.3995e-08 au
q 1.928791163909578 1.1237e-07 au
i 2.719906214082734 3.5581e-06 deg
node 250.7592937385655 9.6773e-05 deg
peri 91.07312514132396 9.6958e-05 deg
M 265.8292994874363 7.7695e-06 deg
tp 2459603.801838436736
(2022-Jan-24.30183844)
3.5282e-05 TDB
period 1541.760452529019
4.22
1.2392e-05
3.393e-08
d
yr
n .2334993087995453 1.8768e-09 deg/d
Q 3.294877781985481 1.7655e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1029  
   data-arc span      16297 days (44.62 yr)  
   first obs. used      1975-10-03  
   last obs. used      2020-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48943  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:12:47  

Additional Information
 Earth MOID = .921205 au 
 Jupiter MOID = 2.13375 au 
 T_jup = 3.358 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457066.5 (2015-Feb-13.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2593364323050364 4.1298e-08  
q 1.93778678184306 1.121e-07 au
tp 2456513.271060247655
(2013-Aug-08.77106025)
2.7418e-05 TDB
node 251.2946443540548 9.6732e-05 deg
peri 89.98611816139793 9.6924e-05 deg
i 2.717601949207888 3.561e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1029  
   data-arc span      16297 days (44.62 yr)  
   first obs. used      1975-10-03  
   last obs. used      2020-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48943  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:12:47  

Additional Information
 Jupiter MOID = 2.13375 au 
 T_jup = 3.358 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.705562046687303E-15 -4.612446498771785E-15 -1.397932203046905E-13 -4.858639007966347E-15 -5.577757043603536E-14 -1.146394713151684E-15
q -4.612446498771785E-15 1.256635857613615E-14 3.543066342606016E-13 1.567236116068545E-14 1.507797438159665E-13 3.255019228151872E-15
tp -1.397932203046905E-13 3.543066342606016E-13 7.517374673834888E-10 -3.020044787353381E-12 1.944118466383291E-10 4.247486132293201E-13
node -4.858639007966347E-15 1.567236116068545E-14 -3.020044787353381E-12 9.357165883780443E-9 -9.346839083657066E-9 4.158312343271731E-11
peri -5.577757043603536E-14 1.507797438159665E-13 1.944118466383291E-10 -9.346839083657066E-9 9.394337340199904E-9 -4.143824238594291E-11
i -1.146394713151684E-15 3.255019228151872E-15 4.247486132293201E-13 4.158312343271731E-11 -4.143824238594291E-11 1.268075009030896E-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 15.12   n/a MPCxxxxx  
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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