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34858 (2001 TW44)
Classification: Main-belt Asteroid          SPK-ID: 2034858
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2186972217983356 3.5473e-08  
a 2.261025074584913 8.3167e-09 au
q 1.766545172356818 8.1159e-08 au
i 7.439630448729329 4.2942e-06 deg
node 33.23286231461018 2.6189e-05 deg
peri 289.7828981230263 2.7943e-05 deg
M 271.5813953746971 1.1633e-05 deg
tp 2459305.498463096634
(2021-Mar-31.99846310)
4.0888e-05 TDB
period 1241.813837484684
3.40
6.8517e-06
1.876e-08
d
yr
n .2898985251518749 1.5995e-09 deg/d
Q 2.755504976813008 1.0136e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1675  
   data-arc span      16066 days (43.99 yr)  
   first obs. used      1976-05-02  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49873  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 07:52:58  

Additional Information
 Earth MOID = .771861 au 
 Jupiter MOID = 2.61121 au 
 T_jup = 3.577 
[ 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 14.1   n/a MPO333130  
diameter diameter 3.180 km 0.187 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.271   0.139 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

34858 (2001 TW44)          Discovered 2001-Oct-14 by LINEAR at Socorro
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2001 TW44 = 1976 JS9 = 1999 CL35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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