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32777 (1987 QF1)
Classification: Main-belt Asteroid          SPK-ID: 2032777
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1929557878071058 4.5009e-08  
a 2.651014102921033 1.2365e-08 au
q 2.139485588204157 1.2124e-07 au
i 2.280638381687676 4.4995e-06 deg
node 200.8776398866036 9.6891e-05 deg
peri 132.8384222550901 9.7193e-05 deg
M 209.7777551066642 9.3841e-06 deg
tp 2459658.382343777081
(2022-Mar-19.88234378)
4.3752e-05 TDB
period 1576.58171017158
4.32
1.103e-05
3.02e-08
d
yr
n .2283421136230364 1.5975e-09 deg/d
Q 3.162542617637909 1.475e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1497  
   data-arc span      11962 days (32.75 yr)  
   first obs. used      1987-08-21  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5163  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:54:08  

Additional Information
 Earth MOID = 1.13024 au 
 Jupiter MOID = 2.21766 au 
 T_jup = 3.362 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO468133  
diameter diameter 3.866 km 0.277 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.373 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.297   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

32777 (1987 QF1)          Discovered 1987-Aug-21 by Vavrova, Z. at Klet
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1987 QF1 = 1999 FL6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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