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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1268413825089669 6.2137e-08  
a 2.263267005606624 1.1835e-08 au
q 1.97619108962855 1.4038e-07 au
i 5.957614091107962 7.497e-06 deg
node 347.22671010 5.2561e-05 deg
peri 322.8081700312626 5.8061e-05 deg
M 77.45228179586613 2.4496e-05 deg
tp 2458332.932210139180
(2018-Aug-02.43221014)
8.4408e-05 TDB
period 1243.661285587024
3.40
9.7553e-06
2.671e-08
d
yr
n .289467883395659 2.2706e-09 deg/d
Q 2.550342921584698 1.3337e-08 au
  Orbit Determination Parameters
   # obs. used (total)      280  
   data-arc span      7878 days (21.57 yr)  
   first obs. used      1997-04-12  
   last obs. used      2018-11-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64768  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:29:48  

Additional Information
 Earth MOID = .965091 au 
 Jupiter MOID = 2.69402 au 
 T_jup = 3.600 
[ show covariance matrix ]

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2016-Mar-13 03:36 00:02 Amphi 0.0109339940328031 0.0109311325065421 0.0109368555765398 2.29367036975653 2.29367014053088 2457460.650209749 2.10108386046302 147.0823660383 114.741158476179 23.4210688669143 11653.6550931948 T 14 CATAB v2.0e-lin.ifort 2019-Jul-13 09:29:50 2019-Jul-13 09:29
2036-Jul-27 22:31 00:02 Amphi 0.0306351645460238 0.0306279055719369 0.0306424235550352 2.6507202281187 2.65072015732592 2464902.438521792 2.16765625972166 365.745542491313 113.350393730528 -9.04997335951076 13896.5556924176 T 14 CATAB v2.0e-lin.ifort 2019-Jul-13 09:29:50 2019-Jul-13 09:29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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