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190395 (1999 TR109)
Classification: Main-belt Asteroid          SPK-ID: 2190395
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1722942435476178 4.8126e-08  
a 2.763221028117085 2.4375e-08 au
q 2.287133951322781 1.3886e-07 au
i 8.23702653336797 5.2481e-06 deg
node 303.780169214042 3.7566e-05 deg
peri 92.12971658160909 4.1546e-05 deg
M 197.5621579460901 2.2143e-05 deg
tp 2459957.518643603741
(2023-Jan-13.01864360)
0.00011035 TDB
period 1677.729205531434
4.59
2.22e-05
6.078e-08
d
yr
n .2145757484658957 2.8393e-09 deg/d
Q 3.239308104911389 2.8575e-08 au
  Orbit Determination Parameters
   # obs. used (total)      450  
   data-arc span      7558 days (20.69 yr)  
   first obs. used      1999-09-08  
   last obs. used      2020-05-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48932  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:07:29  

Additional Information
 Earth MOID = 1.31102 au 
 Jupiter MOID = 2.26595 au 
 T_jup = 3.304 
[ 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 15.48   n/a E2021B55  
rotation period rot_per 126.015 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

190395 (1999 TR109)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1918-Jan-09 10:56 00:01 David 0.0410021896637504 0.0410011022175939 0.0410032775403472 8.05605268599252 8.056052640257 2421602.955707849 1.21510981111222 1205.32948581115 53.399161331323 89.5511149927568 114836.625122142 T 21 CATAB v2.0f-lin.ifort 2021-Apr-13 22:07:31 2021-Apr-13 22:07
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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