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181955 (1999 TE272)
Classification: Main-belt Asteroid          SPK-ID: 2181955
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .129843037884726 5.3541e-08  
a 2.294281337429481 7.9211e-09 au
q 1.996384878815405 1.2209e-07 au
i 3.574812548952388 4.204e-06 deg
node 276.3917617923897 7.2463e-05 deg
peri 116.2885027601416 7.4268e-05 deg
M 24.99587238446959 1.4317e-05 deg
tp 2459112.367876684254
(2020-Sep-19.86787668)
5.0516e-05 TDB
period 1269.312145047659
3.48
6.5735e-06
1.8e-08
d
yr
n .2836181796609873 1.4688e-09 deg/d
Q 2.592177796043556 8.9496e-09 au
  Orbit Determination Parameters
   # obs. used (total)      491  
   data-arc span      7842 days (21.47 yr)  
   first obs. used      1999-10-03  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54022  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:09:55  

Additional Information
 Earth MOID = 1.00443 au 
 Jupiter MOID = 2.81876 au 
 T_jup = 3.582 
[ 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 16.88   n/a E2021B55  

181955 (1999 TE272)          Discovered 1999-Oct-03 by LINEAR at Socorro
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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