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JPL Small-Body Database Browser
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212778 (2007 TW141)
Classification: Main-belt Asteroid          SPK-ID: 2212778
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1220168402609965 7.1607e-08  
a 2.372215265298145 1.9229e-08 au
q 2.082765054207563 1.7455e-07 au
i 2.063199484058565 8.0355e-06 deg
node 116.595102684239 0.00014551 deg
peri 62.82983945699735 0.00014835 deg
M 282.1330972410219 2.7209e-05 deg
tp 2458889.155589149909
(2020-Feb-09.65558915)
0.0001015 TDB
period 1334.533780232907
3.65
1.6226e-05
4.442e-08
d
yr
n .2697571281688889 3.2799e-09 deg/d
Q 2.661665476388726 2.1575e-08 au
  Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      5577 days (15.27 yr)  
   first obs. used      2003-09-26  
   last obs. used      2019-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5981  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:53:05  

Additional Information
 Earth MOID = 1.08754 au 
 Jupiter MOID = 2.29852 au 
 T_jup = 3.533 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456830.5 (2014-Jun-22.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1222163002068197 7.1587e-08  
q 2.082120300200176 1.7452e-07 au
tp 2456221.261396542677
(2012-Oct-20.76139654)
0.00010036 TDB
node 116.6085365892476 0.0001455 deg
peri 63.03298860154496 0.00014834 deg
i 2.063338353033621 8.0376e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      5577 days (15.27 yr)  
   first obs. used      2003-09-26  
   last obs. used      2019-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5981  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:53:05  

Additional Information
 Jupiter MOID = 2.29852 au 
 T_jup = 3.533 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.12471287067364E-15 -1.243780989516729E-14 -2.214480655586445E-12 2.262169068798302E-14 -4.678276981909741E-13 -4.551719483162759E-16
q -1.243780989516729E-14 3.045611596565215E-14 5.038544121241092E-12 -5.445473946570738E-14 1.071810431633017E-12 1.339370191551885E-15
tp -2.214480655586445E-12 5.038544121241092E-12 1.007221697919161E-8 -2.891506119791826E-11 2.898915965627127E-9 8.316455420699714E-13
node 2.262169068798302E-14 -5.445473946570738E-14 -2.891506119791826E-11 2.117115528829245E-8 -2.116483759478197E-8 4.093164353000134E-10
peri -4.678276981909741E-13 1.071810431633017E-12 2.898915965627127E-9 -2.116483759478197E-8 2.200595257086042E-8 -4.08777045080382E-10
i -4.551719483162759E-16 1.339370191551885E-15 8.316455420699714E-13 4.093164353000134E-10 -4.08777045080382E-10 6.460337779894721E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.7   n/a MPO418139  

212778 (2007 TW141)          Discovered 2007-Oct-09 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

Alternate Designations
 2007 TW141 = 2003 SQ379 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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