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47181 (1999 TB123)
Classification: Main-belt Asteroid          SPK-ID: 2047181
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 .1832778210103304 4.2056e-08  
a 2.210608652909279 8.4483e-09 au
q 1.805453115897484 9.2872e-08 au
i 4.941337939563422 5.0124e-06 deg
node 2.180435689060207 5.3352e-05 deg
peri 19.25225149672625 5.5265e-05 deg
M 99.44800960498743 1.6586e-05 deg
tp 2458668.865411436246
(2019-Jul-04.36541144)
5.427e-05 TDB
period 1200.511225485239
3.29
6.882e-06
1.884e-08
d
yr
n .2998722480537324 1.719e-09 deg/d
Q 2.615764189921073 9.9967e-09 au
  Orbit Determination Parameters
   # obs. used (total)      797  
   data-arc span      8021 days (21.96 yr)  
   first obs. used      1998-05-29  
   last obs. used      2020-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54247  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:43:28  

Additional Information
 Earth MOID = .808851 au 
 Jupiter MOID = 2.84945 au 
 T_jup = 3.631 
[ 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 16.0   n/a MPO452815  
diameter diameter 1.342 km 0.232 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.270   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

47181 (1999 TB123)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20020921/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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