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109369 (2001 QA159)
Classification: Main-belt Asteroid          SPK-ID: 2109369
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05004967499220948 5.317e-08  
a 3.136879525091256 2.9495e-08 au
q 2.979879724370722 1.6781e-07 au
i 10.57905098233329 5.7799e-06 deg
node 165.38209348 2.3844e-05 deg
peri 209.2558279297756 4.9469e-05 deg
M 102.4569351899672 4.3577e-05 deg
tp 2458422.957370287409
(2018-Oct-31.45737029)
0.00024453 TDB
period 2029.295003906111
5.56
2.8621e-05
7.836e-08
d
yr
n .1774015110208471 2.5021e-09 deg/d
Q 3.29387932581179 3.0971e-08 au
  Orbit Determination Parameters
   # obs. used (total)      668  
   data-arc span      6769 days (18.53 yr)  
   first obs. used      2001-08-16  
   last obs. used      2020-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57488  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:12:31  

Additional Information
 Earth MOID = 1.98298 au 
 Jupiter MOID = 1.97764 au 
 T_jup = 3.183 
[ 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 14.7   n/a MPO453553  
diameter diameter 6.755 km 0.276 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109369 (2001 QA159)          Discovered 2001-Aug-23 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1982-May-13 02:27 00:02 Psych 0.0389035955035908 0.0388973839621231 0.0389098073366095 2.44575467651654 2.44575454935653 2445102.601749760 2.112141007943 352.69594569602 50.1603666710042 -29.12170139534 58135.5925628258 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 19:12:32 2020-Nov-12 19:12
2032-May-05 04:23 00:02 Psych 0.0374762791611054 0.0374730502337644 0.0374795086611834 2.26222801163824 2.26222786892629 2463357.682868559 2.11876475168495 289.051969636106 45.8738719828035 57.3797716867312 103174.234758869 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 19:12:32 2020-Nov-12 19:12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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