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72702 (2001 FQ78)
Classification: Main-belt Asteroid          SPK-ID: 2072702
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04201010621197605 3.7564e-08  
a 3.076578991079664 1.9398e-08 au
q 2.947331580894873 1.1204e-07 au
i 11.21505388440037 4.3157e-06 deg
node 187.3643030274228 1.9636e-05 deg
peri 92.21241215823855 5.6655e-05 deg
M 217.9845965020226 5.4863e-05 deg
tp 2460174.059234028192
(2023-Aug-17.55923403)
0.00030182 TDB
period 1971.063119601218
5.40
1.8642e-05
5.104e-08
d
yr
n .1826425528538297 1.7274e-09 deg/d
Q 3.205826401264454 2.0213e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1249  
   data-arc span      7789 days (21.33 yr)  
   first obs. used      2000-01-07  
   last obs. used      2021-05-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5009  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:46:39  

Additional Information
 Earth MOID = 1.95993 au 
 Jupiter MOID = 1.85662 au 
 T_jup = 3.198 
[ 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 13.98   n/a MPCxxxxx  
diameter diameter 8.250 km 0.280 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.086   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72702 (2001 FQ78)          Discovered 2001-Mar-19 by LINEAR at Socorro
Reference: 20031109/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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