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JPL Small-Body Database Browser
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109146 (2001 QS57)
Classification: Main-belt Asteroid          SPK-ID: 2109146
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2640155895398602 2.7228e-08  
a 2.63756246378764 1.0853e-08 au
q 1.94120485496254 7.1146e-08 au
i 11.92951640641143 5.2643e-06 deg
node 142.4300453125389 1.8352e-05 deg
peri 290.8483648732579 2.1811e-05 deg
M 71.59587166459693 1.0834e-05 deg
tp 2458689.336937407527
(2019-Jul-24.83693741)
4.6449e-05 TDB
period 1564.59723066242
4.28
9.6573e-06
2.644e-08
d
yr
n .230091165281932 1.4202e-09 deg/d
Q 3.33392007261274 1.3719e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1140  
   data-arc span      6846 days (18.74 yr)  
   first obs. used      2001-08-01  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50051  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:01:38  

Additional Information
 Earth MOID = .992491 au 
 Jupiter MOID = 2.06962 au 
 T_jup = 3.317 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456842.5 (2014-Jul-04.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2622526497922488 2.7192e-08  
q 1.947019676093169 7.0921e-08 au
tp 2457124.883779909626
(2015-Apr-12.38377991)
4.5086e-05 TDB
node 142.488362150784 1.8328e-05 deg
peri 290.990831911724 2.1838e-05 deg
i 11.93205108465525 5.2656e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1140  
   data-arc span      6846 days (18.74 yr)  
   first obs. used      2001-08-01  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50051  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:01:38  

Additional Information
 Jupiter MOID = 2.06962 au 
 T_jup = 3.317 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.394104020284357E-16 -1.916413444679435E-15 -8.804696097334048E-14 1.370014417456393E-15 -3.517407901494484E-14 5.035702580768306E-16
q -1.916413444679435E-15 5.029722684721676E-15 2.602128267037307E-13 -5.027171559366005E-15 9.720711559535546E-14 -1.260560580733319E-15
tp -8.804696097334048E-14 2.602128267037307E-13 2.032766250821748E-9 -1.909492415618089E-11 5.48034445083441E-10 5.970684625766092E-13
node 1.370014417456393E-15 -5.027171559366005E-15 -1.909492415618089E-11 3.359194595006695E-10 -3.330826737216415E-10 3.724171749743531E-11
peri -3.517407901494484E-14 9.720711559535546E-14 5.48034445083441E-10 -3.330826737216415E-10 4.768939317118049E-10 -3.630529689106898E-11
i 5.035702580768306E-16 -1.260560580733319E-15 5.970684625766092E-13 3.724171749743531E-11 -3.630529689106898E-11 2.772640150196474E-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 14.8   n/a MPO412770  
diameter diameter 2.906 km 0.368 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.276   0.122 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

109146 (2001 QS57)          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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