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109257 (2001 QR105)
Classification: Main-belt Asteroid          SPK-ID: 2109257
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2244123889135341 4.5065e-08  
a 2.604458883009475 1.3956e-08 au
q 2.019986043246244 1.1407e-07 au
i 3.37855725634044 5.1044e-06 deg
node 202.3376702743195 6.9216e-05 deg
peri 193.5222875616235 7.0308e-05 deg
M 157.127679448396 1.6356e-05 deg
tp 2458330.422738042646
(2018-Jul-30.92273804)
6.5331e-05 TDB
period 1535.234372145564
4.20
1.234e-05
3.379e-08
d
yr
n .2344918838007012 1.8848e-09 deg/d
Q 3.188931722772705 1.7088e-08 au
  Orbit Determination Parameters
   # obs. used (total)      617  
   data-arc span      7682 days (21.03 yr)  
   first obs. used      1999-04-15  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55681  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:02:47  

Additional Information
 Earth MOID = 1.02707 au 
 Jupiter MOID = 2.24174 au 
 T_jup = 3.374 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456586.5 (2013-Oct-21.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2218636922050691 4.4916e-08  
q 2.028349762094996 1.1333e-07 au
tp 2456793.584100831016
(2014-May-16.08410083)
5.6942e-05 TDB
node 202.4545598057398 6.944e-05 deg
peri 193.4889626769925 7.0562e-05 deg
i 3.369930036856455 5.0959e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      617  
   data-arc span      7682 days (21.03 yr)  
   first obs. used      1999-04-15  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55681  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:02:47  

Additional Information
 Jupiter MOID = 2.24174 au 
 T_jup = 3.374 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.017423526558777E-15 -5.0700074018931E-15 3.199901459417057E-13 7.011771792471898E-15 3.13388453593431E-15 -9.957415787605368E-16
q -5.0700074018931E-15 1.284439053759485E-14 -3.905948245245108E-13 -1.68369488072233E-14 7.595696671259882E-14 2.373181563192678E-15
tp 3.199901459417057E-13 -3.905948245245108E-13 3.242405186396092E-9 1.668536816017286E-12 7.209782804512382E-10 -1.172619841893403E-12
node 7.011771792471898E-15 -1.68369488072233E-14 1.668536816017286E-12 4.821943874382157E-9 -4.813027742749369E-9 -4.413195613139248E-11
peri 3.13388453593431E-15 7.595696671259882E-14 7.209782804512382E-10 -4.813027742749369E-9 4.978990347654376E-9 4.380916040683463E-11
i -9.957415787605368E-16 2.373181563192678E-15 -1.172619841893403E-12 -4.413195613139248E-11 4.380916040683463E-11 2.596854353732982E-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 16.1   n/a MPO469116  

109257 (2001 QR105)          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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