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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457177.5 (2015-Jun-04.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04583181773564816 3.7549e-08  
q 2.932684555848356 1.1252e-07 au
tp 2456229.350886228420
(2012-Oct-28.85088623)
0.00027206 TDB
node 187.4364859881234 1.9648e-05 deg
peri 91.3896781427849 5.2639e-05 deg
i 11.21250984166937 4.3154e-06 deg
  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
 Jupiter MOID = 1.85662 au 
 T_jup = 3.198 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.409941104636973E-15 -4.172305680846816E-15 3.26522314998418E-13 -5.336462494528831E-15 3.273505215993358E-14 6.47310696915849E-16
q -4.172305680846816E-15 1.26611171191285E-14 -5.2709338047795E-13 1.712727380893497E-14 7.732460741092687E-15 -1.302307671158993E-15
tp 3.26522314998418E-13 -5.2709338047795E-13 7.401640221115165E-8 4.172283963226866E-11 1.329680995839785E-8 -7.292103901630725E-12
node -5.336462494528831E-15 1.712727380893497E-14 4.172283963226866E-11 3.860247554334191E-10 -3.70871866575217E-10 1.254985554721045E-11
peri 3.273505215993358E-14 7.732460741092687E-15 1.329680995839785E-8 -3.70871866575217E-10 2.770862477872869E-9 -1.360802609806381E-11
i 6.47310696915849E-16 -1.302307671158993E-15 -7.292103901630725E-12 1.254985554721045E-11 -1.360802609806381E-11 1.862254043678617E-11

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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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