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68950 (2002 QF15)
Classification: Apollo [NEO, PHA]          SPK-ID: 2068950
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 509 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3443286196508078 1.2139e-09  
a 1.057087495412743 4.1452e-11 au
q .6931020172671435 1.2838e-09 au
i 25.15222553433754 1.9969e-06 deg
node 236.2316774204776 4.4751e-07 deg
peri 255.5403460103824 9.9819e-07 deg
M 43.53040618067697 8.448e-07 deg
tp 2458952.498473473781
(2020-Apr-12.99847347)
9.2982e-07 TDB
period 396.9765289511511
1.09
2.335e-08
6.393e-11
d
yr
n .9068546217358328 5.3341e-11 deg/d
Q 1.421072973558342 5.5724e-11 au
  Orbit Determination Parameters
   # obs. used (total)      2851  
   # delay obs. used      12  
   # Doppler obs. used      1  
   data-arc span      23813 days (65.20 yr)  
   first obs. used      1955-07-23  
   last obs. used      2020-10-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35007  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-04 06:54:33  

Additional Information
 Earth MOID = .00616529 au 
 Jupiter MOID = 3.81511 au 
 T_jup = 5.688 
[ 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 16.4   n/a MPO236693  
diameter diameter 1.650 km 0.555 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
rotation period rot_per 45.24 h n/a LCDB (Rev. 2019-August); 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:
[Warner, B.D. (2006) Minor Planet Bull. 33, 85-88.]
[Shepard, M.K.; Benner, L.A.M.; Ostro, S.J.; Nolan, M.C.; Giorgini, J.D.; Magri, C.; Warner, B.D. (2008). ACM 2008, id.8029.]
[Warner, B.D.; Stephens, R.D. (2019) Minor Planet Bull. 46-4, submitted. (NEA Gaggle) http://www.planetarysciences.org/lightcurves.html]
geometric albedo albedo 0.178   0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

68950 (2002 QF15)          Discovered 2002-Aug-27 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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