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150223 (1998 TT22)
Classification: Main-belt Asteroid          SPK-ID: 2150223
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1610825190047287 3.2917e-08  
a 2.332295727493901 8.3087e-09 au
q 1.956603656645217 7.8022e-08 au
i 2.578898190448341 3.5227e-06 deg
node 220.9394098544909 8.0586e-05 deg
peri 91.01040742918327 8.1706e-05 deg
M 145.7035194270028 1.1372e-05 deg
tp 2458673.947846473161
(2019-Jul-09.44784647)
4.1225e-05 TDB
period 1300.989681066905
3.56
6.9521e-06
1.903e-08
d
yr
n .2767124176609718 1.4787e-09 deg/d
Q 2.707987798342585 9.6471e-09 au
  Orbit Determination Parameters
   # obs. used (total)      638  
   data-arc span      8159 days (22.34 yr)  
   first obs. used      1998-10-13  
   last obs. used      2021-02-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49679  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:17:38  

Additional Information
 Earth MOID = .94251 au 
 Jupiter MOID = 2.54983 au 
 T_jup = 3.551 
[ 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 16.4   n/a MPO245149  
diameter diameter 2.861 km 0.502 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.75 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]
geometric albedo albedo 0.065   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

150223 (1998 TT22)          Discovered 1998-Oct-13 by Spacewatch at Kitt Peak
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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