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181922 (1999 TQ80)
Classification: Main-belt Asteroid          SPK-ID: 2181922
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1925330561940478 4.4937e-08  
a 2.345384567684684 1.3352e-08 au
q 1.893820508917996 1.072e-07 au
i 1.560852787575432 5.0101e-06 deg
node 114.541080767317 0.0002583 deg
peri 325.0886038266377 0.00025924 deg
M 278.7420650713493 2.2628e-05 deg
tp 2459496.630269595541
(2021-Oct-09.13026960)
8.3615e-05 TDB
period 1311.956760259807
3.59
1.1203e-05
3.067e-08
d
yr
n .2743992873124181 2.3431e-09 deg/d
Q 2.796948626451372 1.5922e-08 au
  Orbit Determination Parameters
   # obs. used (total)      289  
   data-arc span      7596 days (20.80 yr)  
   first obs. used      1999-10-09  
   last obs. used      2020-07-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5828  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:32:36  

Additional Information
 Earth MOID = .909339 au 
 Jupiter MOID = 2.44716 au 
 T_jup = 3.536 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.41   n/a E2021B55  

181922 (1999 TQ80)          Discovered 1999-Oct-11 by Spacewatch at Kitt Peak
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 1999 TQ80 = 2003 YM64 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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