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376537 (2012 TW9)
Classification: Outer Main-belt Asteroid          SPK-ID: 2376537
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1469922079963691 8.9917e-08  
a 3.942406531390343 1.0967e-07 au
q 3.36290349052197 3.147e-07 au
i 7.177146111172221 9.2257e-06 deg
node 342.0215394808941 4.1351e-05 deg
peri 183.3254946070737 4.5143e-05 deg
M 184.9448013673162 1.8669e-05 deg
tp 2460390.814483931182
(2024-Mar-21.31448393)
0.00017722 TDB
period 2859.173667075414
7.83
0.0001193
3.266e-07
d
yr
n .1259105048936171 5.2536e-09 deg/d
Q 4.521909572258717 1.2579e-07 au
  Orbit Determination Parameters
   # obs. used (total)      198  
   data-arc span      9684 days (26.51 yr)  
   first obs. used      1993-03-21  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62247  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 12:28:48  

Additional Information
 Earth MOID = 2.37043 au 
 Jupiter MOID = .475958 au 
 T_jup = 3.028 
[ 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 14.8   n/a MPO494942  

376537 (2012 TW9)          Discovered 1993-Mar-21 by UESAC, Comets at La Silla
Reference: Last Updated: 2013-10-21

[ 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
2110-Jun-23 06:04 00:05 Jupiter 1.97883932678246 1.97883685177787 1.97884180178693 5.09801928236462 5.01335421365718 2491894.752525428 4.99835575097574 122.934090619275 61.1304682289392 -19.6313934583024 1067450.79576914 T 13 CATAB v2.0f-lin.ifort 2019-Nov-08 12:28:49 2019-Nov-08 12:28
2134-Apr-22 13:07 00:03 Jupiter 1.98433070233857 1.98432852265505 1.98433288202209 5.10417038586066 5.01984504600199 2500599.046744813 2.71944564091122 110.56673414167 62.4916457329281 -25.2609368334088 1181251.18410708 T 13 CATAB v2.0f-lin.ifort 2019-Nov-08 12:28:49 2019-Nov-08 12:28
2158-Apr-01 02:37 00:02 Jupiter 1.98926329310343 1.98926136691316 1.98926521929359 5.08698214159707 5.00257864851679 2509343.608840949 1.57720704206393 96.8595758294409 69.3244696740832 -29.8496649229269 1190508.10156652 T 13 CATAB v2.0f-lin.ifort 2019-Nov-08 12:28:49 2019-Nov-08 12:28
2182-Mar-17 13:02 00:04 Jupiter 1.99783120924288 1.99782929916582 1.99783311931972 5.04696994584715 4.96225388448307 2518095.042738030 3.7700193454824 89.4470354557739 85.1447486140631 22.2327084917505 1071482.33886713 T 13 CATAB v2.0f-lin.ifort 2019-Nov-08 12:28:49 2019-Nov-08 12:28

Alternate Designations
 2012 TW9 = 1993 FW65 = 1997 SO26 = 2010 FK81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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