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78395 (2002 QF1)
Classification: Outer Main-belt Asteroid          SPK-ID: 2078395
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1132755865153279 3.9489e-08  
a 3.233400621726643 2.3294e-08 au
q 2.867135269861532 1.3392e-07 au
i 9.406333139034166 6.5102e-06 deg
node 201.278101622185 2.4703e-05 deg
peri 260.9131857966617 3.7925e-05 deg
M 276.5638275882629 2.9595e-05 deg
tp 2459492.697694606196
(2021-Oct-05.19769461)
0.00017593 TDB
period 2123.673281461613
5.81
2.2949e-05
6.283e-08
d
yr
n .1695176010088666 1.8319e-09 deg/d
Q 3.599665973591754 2.5933e-08 au
  Orbit Determination Parameters
   # obs. used (total)      788  
   data-arc span      10583 days (28.97 yr)  
   first obs. used      1991-11-03  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54782  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:02  

Additional Information
 Earth MOID = 1.90344 au 
 Jupiter MOID = 1.67306 au 
 T_jup = 3.155 
[ 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 14.2   n/a MPO493423  
diameter diameter 7.763 km 0.251 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.056   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78395 (2002 QF1)          Discovered 2002-Aug-16 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 QF1 = 1999 CV80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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