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393707 (2004 TH172)
Classification: Main-belt Asteroid          SPK-ID: 2393707
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .290915458879366 5.1666e-08  
a 3.178256815068118 3.8313e-08 au
q 2.253652775276104 1.7865e-07 au
i 24.40641175674039 7.34e-06 deg
node 230.2040395758362 1.1507e-05 deg
peri 101.444373146568 1.7075e-05 deg
M 307.4626533793244 1.1651e-05 deg
tp 2459302.528232826363
(2021-Mar-29.02823283)
6.9596e-05 TDB
period 2069.578515308973
5.67
3.7423e-05
1.025e-07
d
yr
n .1739484621322785 3.1454e-09 deg/d
Q 4.102860854860132 4.9459e-08 au
  Orbit Determination Parameters
   # obs. used (total)      329  
   data-arc span      6258 days (17.13 yr)  
   first obs. used      2003-04-28  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54488  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 06:56:39  

Additional Information
 Earth MOID = 1.38662 au 
 Jupiter MOID = 2.04585 au 
 T_jup = 2.999 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO434463  
diameter diameter 5.993 km 1.891 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.034   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

393707 (2004 TH172)          Discovered 2004-Oct-08 by LINEAR at Socorro
Reference: Last Updated: 2014-05-15
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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