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109141 (2001 QZ55)
Classification: Main-belt Asteroid          SPK-ID: 2109141
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2090577926546751 4.6948e-08  
a 2.350765051896251 1.2352e-08 au
q 1.859319299097068 1.1442e-07 au
i 5.929507506096833 6.5106e-06 deg
node 349.9903169576438 4.6025e-05 deg
peri 79.0774866423873 4.9655e-05 deg
M 354.4425127384062 2.2786e-05 deg
tp 2459020.823019804466
(2020-Jun-20.32301980)
8.3442e-05 TDB
period 1316.473936012183
3.60
1.0376e-05
2.841e-08
d
yr
n .2734577496387809 2.1552e-09 deg/d
Q 2.842210804695434 1.4934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      484  
   data-arc span      7662 days (20.98 yr)  
   first obs. used      1998-12-14  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60754  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 09:04:22  

Additional Information
 Earth MOID = .884143 au 
 Jupiter MOID = 2.48618 au 
 T_jup = 3.521 
[ 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 16.0   n/a MPO449652  

109141 (2001 QZ55)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 QZ55 = 1998 XV42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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