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193855 (2001 QZ120)
Classification: Main-belt Asteroid          SPK-ID: 2193855
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1269862556185862 6.0356e-08  
a 2.26330861729432 1.1461e-08 au
q 1.975899530674834 1.3566e-07 au
i 5.958040017913982 6.3409e-06 deg
node 347.2135115050218 5.1784e-05 deg
peri 322.9005100306204 5.5822e-05 deg
M 193.1305821908124 2.2385e-05 deg
tp 2459576.985439015497
(2021-Dec-28.48543902)
7.8735e-05 TDB
period 1243.695584069762
3.41
9.4466e-06
2.586e-08
d
yr
n .2894599004862323 2.1986e-09 deg/d
Q 2.550717703913805 1.2916e-08 au
  Orbit Determination Parameters
   # obs. used (total)      308  
   data-arc span      8332 days (22.81 yr)  
   first obs. used      1997-04-12  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63532  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:10:29  

Additional Information
 Earth MOID = .965614 au 
 Jupiter MOID = 2.69552 au 
 T_jup = 3.600 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457262.5 (2015-Aug-28.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1276853308830175 6.04e-08  
q 1.97414804293452 1.3586e-07 au
tp 2457089.595840478322
(2015-Mar-08.09584048)
7.392e-05 TDB
node 347.2603909269464 5.1735e-05 deg
peri 322.8387192317697 5.5732e-05 deg
i 5.961981965194511 6.3438e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      308  
   data-arc span      8332 days (22.81 yr)  
   first obs. used      1997-04-12  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63532  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 22:10:29  

Additional Information
 Jupiter MOID = 2.69552 au 
 T_jup = 3.600 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.648105551865509E-15 -8.184365724524612E-15 1.066304256072263E-12 -1.948025286533365E-14 2.580302719973821E-13 -2.807003802041089E-15
q -8.184365724524612E-15 1.845893074366211E-14 -2.331950060351489E-12 4.407584552246989E-14 -5.608595261332487E-13 6.353099635323081E-15
tp 1.066304256072263E-12 -2.331950060351489E-12 5.464150169708925E-9 8.184126080470458E-12 1.55656540132208E-9 -5.961311062717099E-12
node -1.948025286533365E-14 4.407584552246989E-14 8.184126080470458E-12 2.676486815186157E-9 -2.657883387688909E-9 -4.25768278746516E-11
peri 2.580302719973821E-13 -5.608595261332487E-13 1.55656540132208E-9 -2.657883387688909E-9 3.106092057320058E-9 4.069519772549099E-11
i -2.807003802041089E-15 6.353099635323081E-15 -5.961311062717099E-12 -4.25768278746516E-11 4.069519772549099E-11 4.024333613904188E-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 17.0   n/a MPO360008  

193855 (2001 QZ120)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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