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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2256750021406894 6.4142e-08  
a 2.630425863791997 1.6149e-08 au
q 2.036804501349813 1.7097e-07 au
i 14.85156651300655 5.5588e-06 deg
node 269.3408372959521 2.5295e-05 deg
peri 97.83561799367456 2.845e-05 deg
M 129.2481700359844 1.3166e-05 deg
tp 2458441.052383245121
(2018-Nov-18.55238324)
5.5019e-05 TDB
period 1558.251400972903
4.27
1.435e-05
3.929e-08
d
yr
n .2310281895304135 2.1276e-09 deg/d
Q 3.224047226234181 1.9794e-08 au
  Orbit Determination Parameters
   # obs. used (total)      391  
   data-arc span      6804 days (18.63 yr)  
   first obs. used      2001-06-16  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52894  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:37:23  

Additional Information
 Earth MOID = 1.09865 au 
 Jupiter MOID = 2.50611 au 
 T_jup = 3.317 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457425.5 (2016-Feb-07.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2247179634724333 6.4633e-08  
q 2.040712176712726 1.7235e-07 au
tp 2456879.075025493383
(2014-Aug-09.57502549)
5.2147e-05 TDB
node 269.5946434551819 2.5299e-05 deg
peri 97.15530824855695 2.8449e-05 deg
i 14.83691360803177 5.5638e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      391  
   data-arc span      6804 days (18.63 yr)  
   first obs. used      2001-06-16  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52894  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 08:37:23  

Additional Information
 Jupiter MOID = 2.50611 au 
 T_jup = 3.317 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.177466532751219E-15 -1.111049420302456E-14 -1.444624824637068E-12 -2.189405629123569E-14 -4.908489356604027E-13 -1.410613935776743E-14
q -1.111049420302456E-14 2.970463106022275E-14 3.880255162600414E-12 6.469017136160354E-14 1.322753033537426E-12 3.871341588542542E-14
tp -1.444624824637068E-12 3.880255162600414E-12 2.719315496114432E-9 1.120911302710456E-11 7.203242719037609E-10 7.858951215067658E-12
node -2.189405629123569E-14 6.469017136160354E-14 1.120911302710456E-11 6.400539503092468E-10 -6.148657871800098E-10 4.637097390623544E-11
peri -4.908489356604027E-13 1.322753033537426E-12 7.203242719037609E-10 -6.148657871800098E-10 8.09355787511125E-10 -4.250132197231004E-11
i -1.410613935776743E-14 3.871341588542542E-14 7.858951215067658E-12 4.637097390623544E-11 -4.250132197231004E-11 3.095554645216197E-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 15.9   n/a MPO333913  

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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