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146434 (2001 QM275)
Classification: Main-belt Asteroid          SPK-ID: 2146434
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ hide orbit diagram ]

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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2261063885964946 5.6913e-08  
a 2.629511012146347 1.6005e-08 au
q 2.034961773415223 1.5277e-07 au
i 14.85185185056465 4.7009e-06 deg
node 269.329054677283 2.3366e-05 deg
peri 97.84932142756811 2.543e-05 deg
M 220.7509616764962 1.2334e-05 deg
tp 2459998.921719753253
(2023-Feb-23.42171975)
5.6672e-05 TDB
period 1557.438541207973
4.26
1.4219e-05
3.893e-08
d
yr
n .2311487679769235 2.1103e-09 deg/d
Q 3.224060250877471 1.9623e-08 au
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      7270 days (19.90 yr)  
   first obs. used      2001-06-16  
   last obs. used      2021-05-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53024  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:37:29  

Additional Information
 Earth MOID = 1.09614 au 
 Jupiter MOID = 2.50838 au 
 T_jup = 3.318 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457747.5 (2016-Dec-25.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2247508182730508 5.7013e-08  
q 2.040949613438984 1.5287e-07 au
tp 2458440.508565350782
(2018-Nov-18.00856535)
4.9323e-05 TDB
node 269.4149683240145 2.3385e-05 deg
peri 97.53928420157308 2.5453e-05 deg
i 14.83485462247546 4.6988e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      7270 days (19.90 yr)  
   first obs. used      2001-06-16  
   last obs. used      2021-05-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53024  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:37:29  

Additional Information
 Jupiter MOID = 2.50838 au 
 T_jup = 3.318 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.250434002655042E-15 -8.687922640206414E-15 -7.979835691813734E-13 1.119888507110632E-15 -2.480879707387166E-13 -4.834565078413901E-15
q -8.687922640206414E-15 2.33696463291899E-14 2.369004224801165E-12 -1.438218256018665E-15 6.934835518939548E-13 1.330375993168951E-14
tp -7.979835691813734E-13 2.369004224801165E-12 2.432719390799819E-9 7.827844140579524E-12 5.370364857671935E-10 3.201208607683735E-12
node 1.119888507110632E-15 -1.438218256018665E-15 7.827844140579524E-12 5.468438529349046E-10 -5.269852440670817E-10 1.885562332601817E-11
peri -2.480879707387166E-13 6.934835518939548E-13 5.370364857671935E-10 -5.269852440670817E-10 6.478696795039157E-10 -1.7430279924897E-11
i -4.834565078413901E-15 1.330375993168951E-14 3.201208607683735E-12 1.885562332601817E-11 -1.7430279924897E-11 2.20790512958284E-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 15.99   n/a E2021B55  

146434 (2001 QM275)          Discovered 2001-Aug-19 by LONEOS at Anderson Mesa
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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