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72787 (2001 FB171)
Classification: Main-belt Asteroid          SPK-ID: 2072787
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .004800011711786395 3.77e-08  
a 3.128684862142418 2.0853e-08 au
q 3.113667138161646 1.2363e-07 au
i 8.165103999587689 4.4542e-06 deg
node 216.1811176048978 2.5313e-05 deg
peri 299.8674658727519 0.00043578 deg
M 244.7929210973656 0.00043646 deg
tp 2459847.371209932768
(2022-Sep-24.87120993)
0.0024525 TDB
period 2021.348321595812
5.53
2.0208e-05
5.533e-08
d
yr
n .1780989432418988 1.7805e-09 deg/d
Q 3.14370258612319 2.0953e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1049  
   data-arc span      8105 days (22.19 yr)  
   first obs. used      1998-10-13  
   last obs. used      2020-12-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52246  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:04:02  

Additional Information
 Earth MOID = 2.11342 au 
 Jupiter MOID = 1.83072 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 14.29   n/a E2021B10  
diameter diameter 7.505 km 0.205 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72787 (2001 FB171)          Discovered 2001-Mar-24 by LONEOS at Anderson Mesa
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 FB171 = 1998 VQ23 = 2000 AX164 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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