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181910 (1999 TR34)
Classification: Main-belt Asteroid          SPK-ID: 2181910
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2073144295566947 5.5745e-08  
a 2.373307950780196 1.6297e-08 au
q 1.881286966801832 1.2606e-07 au
i 21.08508923729929 6.6251e-06 deg
node 23.6370542389977 1.4068e-05 deg
peri 55.67976746043877 2.1628e-05 deg
M 243.8494187283023 1.6056e-05 deg
tp 2459631.372180859945
(2022-Feb-20.87218086)
6.1671e-05 TDB
period 1335.455952189683
3.66
1.3755e-05
3.766e-08
d
yr
n .2695708528684345 2.7766e-09 deg/d
Q 2.865328934758561 1.9675e-08 au
  Orbit Determination Parameters
   # obs. used (total)      395  
   data-arc span      7178 days (19.65 yr)  
   first obs. used      1999-10-02  
   last obs. used      2019-05-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52269  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:32:33  

Additional Information
 Earth MOID = .956639 au 
 Jupiter MOID = 2.70458 au 
 T_jup = 3.425 
[ 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 16.2   n/a MPO314480  
diameter diameter 3.048 km 0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181910 (1999 TR34)          Discovered 1999-Oct-02 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

Alternate Designations
 1999 TR34 = 2001 FM1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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