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JPL Small-Body Database Browser
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140416 (2001 TF87)
Classification: Main-belt Asteroid          SPK-ID: 2140416
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07241884838533305 4.4656e-08  
a 3.106636861033199 3.0718e-08 au
q 2.881657797205749 1.4053e-07 au
i 21.77397353711168 6.9581e-06 deg
node 9.700593187844941 1.4006e-05 deg
peri 263.1592892582742 6.3748e-05 deg
M 242.250143156079 6.6896e-05 deg
tp 2459654.672148984373
(2022-Mar-16.17214898)
0.00037534 TDB
period 2000.019192775201
5.48
2.9664e-05
8.122e-08
d
yr
n .1799982726668081 2.6697e-09 deg/d
Q 3.331615924860649 3.2943e-08 au
  Orbit Determination Parameters
   # obs. used (total)      588  
   data-arc span      7603 days (20.82 yr)  
   first obs. used      1999-04-11  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49341  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:59:25  

Additional Information
 Earth MOID = 1.96431 au 
 Jupiter MOID = 1.82999 au 
 T_jup = 3.106 
[ 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 14.4   n/a MPO325449  
diameter diameter 7.408 km 0.207 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 6.93437 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.047   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

140416 (2001 TF87)          Discovered 2001-Oct-14 by LINEAR at Socorro
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 2001 TF87 = 2001 SH152 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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