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61645 (2000 QT109)
Classification: Main-belt Asteroid          SPK-ID: 2061645
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1454551812600063 4.2913e-08  
a 2.624378351677107 1.1698e-08 au
q 2.242648922839077 1.1535e-07 au
i 3.179195134487012 4.7443e-06 deg
node 214.3314292109026 6.4676e-05 deg
peri 127.6359112413916 6.605e-05 deg
M 334.8132093961758 1.472e-05 deg
tp 2459505.144670627574
(2021-Oct-17.64467063)
6.3718e-05 TDB
period 1552.880715972926
4.25
1.0382e-05
2.842e-08
d
yr
n .2318272075227938 1.55e-09 deg/d
Q 3.006107780515137 1.3399e-08 au
  Orbit Determination Parameters
   # obs. used (total)      873  
   data-arc span      9018 days (24.69 yr)  
   first obs. used      1996-10-05  
   last obs. used      2021-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58411  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:19:18  

Additional Information
 Earth MOID = 1.23553 au 
 Jupiter MOID = 2.39386 au 
 T_jup = 3.386 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457492.5 (2016-Apr-14.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1442053195370698 4.2975e-08  
q 2.245126282803084 1.1513e-07 au
tp 2457954.725896871315
(2017-Jul-20.22589687)
6.1496e-05 TDB
node 214.376742190688 6.4668e-05 deg
peri 127.9456646789957 6.6051e-05 deg
i 3.179327691026602 4.7442e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      873  
   data-arc span      9018 days (24.69 yr)  
   first obs. used      1996-10-05  
   last obs. used      2021-06-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58411  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 22:19:18  

Additional Information
 Jupiter MOID = 2.39386 au 
 T_jup = 3.386 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.846848814292977E-15 -4.929532303485212E-15 8.314659406842645E-13 -6.485466777225879E-15 2.119938117797432E-13 -4.153194482012889E-17
q -4.929532303485212E-15 1.325420664302017E-14 -2.079206077904051E-12 1.791458036649714E-14 -5.448085502491457E-13 2.397083574942664E-16
tp 8.314659406842645E-13 -2.079206077904051E-12 3.781800619708536E-9 -5.727383154888414E-12 8.368930389021993E-10 -1.100724751540515E-12
node -6.485466777225879E-15 1.791458036649714E-14 -5.727383154888414E-12 4.181952340298849E-9 -4.176503970919156E-9 -8.287453891920296E-11
peri 2.119938117797432E-13 -5.448085502491457E-13 8.368930389021993E-10 -4.176503970919156E-9 4.362760717860983E-9 8.25202931536592E-11
i -4.153194482012889E-17 2.397083574942664E-16 -1.100724751540515E-12 -8.287453891920296E-11 8.25202931536592E-11 2.250776705201327E-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 15.54   n/a E2021B10  

61645 (2000 QT109)          Discovered 2000-Aug-27 by Kusnirak, P., Pravec, P. at Ondrejov
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 QT109 = 2001 XP199 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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