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109149 (2001 QR58)
Classification: Main-belt Asteroid          SPK-ID: 2109149
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09584473950957891 4.1826e-08  
a 2.660462348771555 1.2312e-08 au
q 2.405471027978503 1.0935e-07 au
i 15.07370210712067 4.8125e-06 deg
node 22.22538084987284 1.6086e-05 deg
peri 24.39004590626257 3.3268e-05 deg
M 137.4536985746531 2.7114e-05 deg
tp 2458595.315171592325
(2019-Apr-21.81517159)
0.00011928 TDB
period 1585.017649477337
4.34
1.1002e-05
3.012e-08
d
yr
n .2271268084104367 1.5766e-09 deg/d
Q 2.915453669564607 1.3492e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1422  
   data-arc span      7997 days (21.89 yr)  
   first obs. used      1999-03-20  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50235  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:14:14  

Additional Information
 Earth MOID = 1.41844 au 
 Jupiter MOID = 2.49883 au 
 T_jup = 3.330 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457320.5 (2015-Oct-25.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0937098627038136 4.1619e-08  
q 2.412307771100154 1.0846e-07 au
tp 2457008.128523537633
(2014-Dec-16.62852354)
0.00012374 TDB
node 22.26964041567663 1.6102e-05 deg
peri 24.19332088645304 3.4007e-05 deg
i 15.06406574730907 4.8102e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1422  
   data-arc span      7997 days (21.89 yr)  
   first obs. used      1999-03-20  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50235  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:14:14  

Additional Information
 Jupiter MOID = 2.49883 au 
 T_jup = 3.330 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.732104829244798E-15 -4.491421056975939E-15 -1.947264573943632E-12 3.232788348531568E-15 -5.149374574007024E-13 8.03259149104259E-16
q -4.491421056975939E-15 1.176430137208139E-14 5.049319133184157E-12 -6.807243380485856E-15 1.337679064769097E-12 -2.433149322333211E-15
tp -1.947264573943632E-12 5.049319133184157E-12 1.531203773430512E-8 -5.343404920159426E-12 3.720961511532511E-9 -1.800077639926025E-11
node 3.232788348531568E-15 -6.807243380485856E-15 -5.343404920159426E-12 2.592750952149595E-10 -2.513783502591741E-10 -1.807162768228732E-11
peri -5.149374574007024E-13 1.337679064769097E-12 3.720961511532511E-9 -2.513783502591741E-10 1.156447473563037E-9 1.306845348068853E-11
i 8.03259149104259E-16 -2.433149322333211E-15 -1.800077639926025E-11 -1.807162768228732E-11 1.306845348068853E-11 2.313806970649237E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.52   n/a E2021B55  
rotation period rot_per 14.1471 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

109149 (2001 QR58)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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