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39449 (3486 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2039449
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1830715878652836 4.4541e-08  
a 3.186840493098834 2.1768e-08 au
q 2.603420543753847 1.4534e-07 au
i .6934092851481956 5.0179e-06 deg
node 322.5449937777502 0.00045138 deg
peri 107.5306025371717 0.00045163 deg
M 143.9725872560577 1.4755e-05 deg
tp 2458169.470911716781
(2018-Feb-19.97091172)
8.2775e-05 TDB
period 2077.968295797028
5.69
2.1291e-05
5.829e-08
d
yr
n .1732461465981694 1.7751e-09 deg/d
Q 3.770260442443821 2.5754e-08 au
  Orbit Determination Parameters
   # obs. used (total)      509  
   data-arc span      15544 days (42.56 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60145  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:43:22  

Additional Information
 Earth MOID = 1.61794 au 
 Jupiter MOID = 1.53121 au 
 T_jup = 3.171 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456948.5 (2014-Oct-18.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1843685391204288 4.4504e-08  
q 2.599000703860441 1.4535e-07 au
tp 2456092.534724255122
(2012-Jun-14.03472426)
8.0122e-05 TDB
node 322.578481594431 0.00045128 deg
peri 107.8231544186063 0.00045153 deg
i .6937443032638615 5.018e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      509  
   data-arc span      15544 days (42.56 yr)  
   first obs. used      1977-10-07  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60145  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:43:22  

Additional Information
 Jupiter MOID = 1.53121 au 
 T_jup = 3.171 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.980570832107343E-15 -6.420806297604286E-15 -7.187771840882209E-13 -4.855635416973592E-15 -1.461301501632046E-13 -3.336412993682099E-16
q -6.420806297604286E-15 2.112765791963768E-14 2.239857091423939E-12 2.793705906456853E-14 4.756531623440775E-13 1.12554849422949E-15
tp -7.187771840882209E-13 2.239857091423939E-12 6.419539650411872E-9 -1.052200721113828E-11 1.234915261554789E-9 3.238869516679014E-13
node -4.855635416973592E-15 2.793705906456853E-14 -1.052200721113828E-11 2.036565222309645E-7 -2.036410945557226E-7 3.5457728118891E-10
peri -1.461301501632046E-13 4.756531623440775E-13 1.234915261554789E-9 -2.036410945557226E-7 2.038763117029136E-7 -3.544841786235403E-10
i -3.336412993682099E-16 1.12554849422949E-15 3.238869516679014E-13 3.5457728118891E-10 -3.544841786235403E-10 2.518066324746003E-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 15.2   n/a MPO436046  

39449 (3486 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

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Alternate Designations
 3486 T-3 = 2000 UU77 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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