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JPL Small-Body Database Browser
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39455 (4091 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2039455
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1017501226368596 4.7993e-08  
a 3.166577595049242 2.886e-08 au
q 2.844377936413849 1.5874e-07 au
i 8.045111338736559 5.274e-06 deg
node 59.29187092139873 3.9098e-05 deg
peri 195.1599581006545 4.9344e-05 deg
M 316.9283820203022 3.3886e-05 deg
tp 2459246.747774568657
(2021-Feb-01.24777457)
0.0001952 TDB
period 2058.181303671997
5.63
2.8138e-05
7.704e-08
d
yr
n .174911704502283 2.3912e-09 deg/d
Q 3.488777253684634 3.1797e-08 au
  Orbit Determination Parameters
   # obs. used (total)      698  
   data-arc span      15428 days (42.24 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5878  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 05:49:23  

Additional Information
 Earth MOID = 1.83084 au 
 Jupiter MOID = 1.54725 au 
 T_jup = 3.180 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456790.5 (2014-May-13.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1005485949772533 4.8045e-08  
q 2.848883247146736 1.5872e-07 au
tp 2457182.777724639151
(2015-Jun-09.27772464)
0.00018619 TDB
node 59.31857325648402 3.9089e-05 deg
peri 194.4405646430767 4.9517e-05 deg
i 8.045297372001933 5.2737e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      698  
   data-arc span      15428 days (42.24 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5878  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 05:49:23  

Additional Information
 Jupiter MOID = 1.54725 au 
 T_jup = 3.180 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.308333025430662E-15 -7.526524787011413E-15 -3.833615166524685E-13 -1.373518367720512E-15 -2.672748020655275E-14 8.00894789541619E-16
q -7.526524787011413E-15 2.519361079569959E-14 2.760627297841276E-12 -1.678193787711767E-14 3.244535340917218E-13 -1.916367842082342E-15
tp -3.833615166524685E-13 2.760627297841276E-12 3.466548336889672E-8 -5.314117198091925E-11 5.69957785467282E-9 2.153758707734096E-12
node -1.373518367720512E-15 -1.678193787711767E-14 -5.314117198091925E-11 1.527966252974312E-9 -1.521781739190211E-9 1.218262400159754E-11
peri -2.672748020655275E-14 3.244535340917218E-13 5.69957785467282E-9 -1.521781739190211E-9 2.451962875150508E-9 -1.171186540014935E-11
i 8.00894789541619E-16 -1.916367842082342E-15 2.153758707734096E-12 1.218262400159754E-11 -1.171186540014935E-11 2.781177588333846E-11

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 14.2   n/a MPO389951  

39455 (4091 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4091 T-3 = 2000 VT12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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