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277232 (2005 QM181)
Classification: Main-belt Asteroid          SPK-ID: 2277232
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09394545188397704 4.6372e-08  
a 2.367006380065638 1.6411e-08 au
q 2.144636896078115 1.0806e-07 au
i 4.203064828136168 6.2896e-06 deg
node 168.4118825214159 6.9398e-05 deg
peri 264.8307531146402 7.725e-05 deg
M 311.6825228909155 3.4684e-05 deg
tp 2459179.025113755946
(2020-Nov-25.52511376)
0.00012864 TDB
period 1330.140661256852
3.64
1.3833e-05
3.787e-08
d
yr
n .2706480678966956 2.8147e-09 deg/d
Q 2.589375864053161 1.7953e-08 au
  Orbit Determination Parameters
   # obs. used (total)      241  
   data-arc span      5507 days (15.08 yr)  
   first obs. used      2005-08-30  
   last obs. used      2020-09-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52149  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:19:53  

Additional Information
 Earth MOID = 1.1642 au 
 Jupiter MOID = 2.61195 au 
 T_jup = 3.538 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456751.5 (2014-Apr-04.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09436346103993228 4.6511e-08  
q 2.144201920144921 1.0855e-07 au
tp 2456515.032986141151
(2013-Aug-10.53298614)
0.00012316 TDB
node 168.5109665360175 6.9389e-05 deg
peri 264.0245487786095 7.7172e-05 deg
i 4.202792828201276 6.2913e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      241  
   data-arc span      5507 days (15.08 yr)  
   first obs. used      2005-08-30  
   last obs. used      2020-09-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52149  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:19:53  

Additional Information
 Jupiter MOID = 2.61195 au 
 T_jup = 3.538 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.163247186685395E-15 -5.002535186689697E-15 -8.936650249465236E-13 1.989749576748264E-15 -2.73468949420779E-13 1.967009702423225E-15
q -5.002535186689697E-15 1.178396982259525E-14 2.247176175264073E-12 -5.79812090787953E-15 6.862775439350802E-13 -4.292573472745784E-15
tp -8.936650249465236E-13 2.247176175264073E-12 1.516868059765985E-8 -3.979900013634958E-11 4.179655721500022E-9 -4.390096676854328E-12
node 1.989749576748264E-15 -5.79812090787953E-15 -3.979900013634958E-11 4.814883053905669E-9 -4.812116055374141E-9 6.0984887030398E-11
peri -2.73468949420779E-13 6.862775439350802E-13 4.179655721500022E-9 -4.812116055374141E-9 5.955455184894027E-9 -6.201276179009021E-11
i 1.967009702423225E-15 -4.292573472745784E-15 -4.390096676854328E-12 6.0984887030398E-11 -6.201276179009021E-11 3.958072667897362E-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 17.1   n/a MPO437262  

277232 (2005 QM181)          Discovered 2005-Aug-30 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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