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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2184049431680191 4.4051e-08  
a 2.261466450689483 1.0417e-08 au
q 1.767550999050264 9.7608e-08 au
i 7.438967298102803 4.3356e-06 deg
node 33.24050652282311 3.1702e-05 deg
peri 289.7659299562789 3.3177e-05 deg
M 155.6351944140334 1.2058e-05 deg
tp 2458063.481851941339
(2017-Nov-05.98185194)
3.9922e-05 TDB
period 1242.177478101868
3.40
8.5829e-06
2.35e-08
d
yr
n .2898136589548416 2.0025e-09 deg/d
Q 2.755381902328701 1.2692e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1487  
   data-arc span      15725 days (43.05 yr)  
   first obs. used      1976-05-02  
   last obs. used      2019-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51383  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:44:07  

Additional Information
 Earth MOID = .772007 au 
 Jupiter MOID = 2.60843 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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