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JPL Small-Body Database Browser
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109475 (2001 QL219)
Classification: Main-belt Asteroid          SPK-ID: 2109475
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04347919881763848 7.5735e-08  
a 2.548261338125889 1.5212e-08 au
q 2.437464976766212 1.9156e-07 au
i 7.161801594832294 6.3553e-06 deg
node 22.38939531128261 3.9678e-05 deg
peri 298.9851662947496 9.9876e-05 deg
M 197.4783815015472 9.6319e-05 deg
tp 2459271.269045391778
(2021-Feb-25.76904539)
0.00039737 TDB
period 1485.813755561012
4.07
1.3305e-05
3.643e-08
d
yr
n .2422914706857534 2.1696e-09 deg/d
Q 2.659057699485566 1.5874e-08 au
  Orbit Determination Parameters
   # obs. used (total)      912  
   data-arc span      10256 days (28.08 yr)  
   first obs. used      1991-04-09  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53196  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:46:32  

Additional Information
 Earth MOID = 1.43443 au 
 Jupiter MOID = 2.46481 au 
 T_jup = 3.429 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456567.5 (2013-Oct-02.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04254947014765299 7.3815e-08  
q 2.439791669675084 1.8618e-07 au
tp 2456289.562457513772
(2012-Dec-28.06245751)
0.00041578 TDB
node 22.5015762335719 3.9711e-05 deg
peri 296.7160951767816 0.0001037 deg
i 7.159196853823139 6.3507e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      912  
   data-arc span      10256 days (28.08 yr)  
   first obs. used      1991-04-09  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53196  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:46:32  

Additional Information
 Jupiter MOID = 2.46481 au 
 T_jup = 3.429 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.448704987215053E-15 -1.370214391922298E-14 2.038880963876568E-11 4.592583894775641E-14 4.581216328303759E-12 1.172961841132079E-14
q -1.370214391922298E-14 3.466203145222367E-14 -5.223696863214351E-11 -1.163118378020804E-13 -1.173881168804982E-11 -2.905726049932577E-14
tp 2.038880963876568E-11 -5.223696863214351E-11 1.728743592794334E-7 1.944436420525492E-10 3.984487085201923E-8 5.097946191137301E-11
node 4.592583894775641E-14 -1.163118378020804E-13 1.944436420525492E-10 1.576992118583829E-9 -1.519734385813444E-9 -5.900239307819209E-11
peri 4.581216328303759E-12 -1.173881168804982E-11 3.984487085201923E-8 -1.519734385813444E-9 1.075429298456412E-8 7.019576848981295E-11
i 1.172961841132079E-14 -2.905726049932577E-14 5.097946191137301E-11 -5.900239307819209E-11 7.019576848981295E-11 4.033082230116877E-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 14.9   n/a MPO338040  
diameter diameter 4.801 km 0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.101   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109475 (2001 QL219)          Discovered 2001-Aug-23 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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