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72786 (2001 FZ170)
Classification: Main-belt Asteroid          SPK-ID: 2072786
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1695785056377468 5.0217e-08  
a 2.638544158043236 9.7506e-09 au
q 2.191103782663057 1.3523e-07 au
i 15.09257483512724 6.1979e-06 deg
node 207.8372228094605 1.145e-05 deg
peri 209.4454673336157 1.785e-05 deg
M 32.8206576509087 1.2287e-05 deg
tp 2459253.778383689638
(2021-Feb-08.27838369)
5.3368e-05 TDB
period 1565.470820792887
4.29
8.6776e-06
2.376e-08
d
yr
n .2299627659732844 1.2747e-09 deg/d
Q 3.085984533423415 1.1404e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1301  
   data-arc span      11080 days (30.34 yr)  
   first obs. used      1990-10-10  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48713  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:50:29  

Additional Information
 Earth MOID = 1.21214 au 
 Jupiter MOID = 2.34583 au 
 T_jup = 3.327 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457670.5 (2016-Oct-09.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1704592530643427 5.0845e-08  
q 2.188319940031751 1.3723e-07 au
tp 2457683.158409241491
(2016-Oct-21.65840924)
5.2236e-05 TDB
node 207.9741279362084 1.1413e-05 deg
peri 208.3224328746551 1.7695e-05 deg
i 15.12124775228692 6.2078e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1301  
   data-arc span      11080 days (30.34 yr)  
   first obs. used      1990-10-10  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48713  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:50:29  

Additional Information
 Jupiter MOID = 2.34583 au 
 T_jup = 3.327 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.585164513350135E-15 -6.966480318301991E-15 -1.272030276730259E-12 -7.029816257984715E-15 -2.834858361110304E-13 -1.856885036936703E-14
q -6.966480318301991E-15 1.883091318437588E-14 3.34520291319829E-12 1.789793329920999E-14 7.443297030452754E-13 5.078275343687221E-14
tp -1.272030276730259E-12 3.34520291319829E-12 2.728632209061393E-9 7.801507530769108E-12 7.086978695868642E-10 1.000127332984183E-11
node -7.029816257984715E-15 1.789793329920999E-14 7.801507530769108E-12 1.302481571827897E-10 -1.231583182740282E-10 -2.389293344400693E-12
peri -2.834858361110304E-13 7.443297030452754E-13 7.086978695868642E-10 -1.231583182740282E-10 3.131030335765565E-10 4.445455128140867E-12
i -1.856885036936703E-14 5.078275343687221E-14 1.000127332984183E-11 -2.389293344400693E-12 4.445455128140867E-12 3.853684711531213E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.72   n/a E2021B10  
diameter diameter 6.316 km 0.172 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

72786 (2001 FZ170)          Discovered 2001-Mar-24 by LONEOS at Anderson Mesa
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 FZ170 = 1990 TN2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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