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249883 (2001 QB279)
Classification: Main-belt Asteroid          SPK-ID: 2249883
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09927364972813847 5.2472e-08  
a 2.687991032356335 2.549e-08 au
q 2.421144352137815 1.3043e-07 au
i 14.01341460081047 4.3953e-06 deg
node 17.48512233878145 1.8685e-05 deg
peri 277.2206459955937 3.6335e-05 deg
M 172.4274957961275 3.6825e-05 deg
tp 2458429.518121653221
(2018-Nov-07.01812165)
0.00015809 TDB
period 1609.682231498684
4.41
2.2897e-05
6.269e-08
d
yr
n .2236466259957559 3.1813e-09 deg/d
Q 2.954837712574855 2.8021e-08 au
  Orbit Determination Parameters
   # obs. used (total)      481  
   data-arc span      7162 days (19.61 yr)  
   first obs. used      2001-07-26  
   last obs. used      2021-03-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51126  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 02:09:13  

Additional Information
 Earth MOID = 1.45339 au 
 Jupiter MOID = 2.28206 au 
 T_jup = 3.324 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457968.5 (2017-Aug-03.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1004571483862426 5.2393e-08  
q 2.417689308444317 1.306e-07 au
tp 2458428.642172213166
(2018-Nov-06.14217221)
0.00015723 TDB
node 17.52053690698742 1.8662e-05 deg
peri 276.9958744157186 3.6188e-05 deg
i 14.02464586988219 4.3987e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      481  
   data-arc span      7162 days (19.61 yr)  
   first obs. used      2001-07-26  
   last obs. used      2021-03-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51126  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 02:09:13  

Additional Information
 Jupiter MOID = 2.28206 au 
 T_jup = 3.324 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.745069530709229E-15 -6.765734590407737E-15 4.837706212954187E-12 9.696527064257622E-15 9.219058253395805E-13 7.965389320955063E-15
q -6.765734590407737E-15 1.705560561512294E-14 -1.094893026064933E-11 -2.273393327601666E-14 -2.097259757942723E-12 -1.867828597342413E-14
tp 4.837706212954187E-12 -1.094893026064933E-11 2.472268508919197E-8 4.76820580497014E-11 4.898258495072191E-9 1.408445483003882E-11
node 9.696527064257622E-15 -2.273393327601666E-14 4.76820580497014E-11 3.482812539710569E-10 -3.27970315831912E-10 -1.673139019386496E-11
peri 9.219058253395805E-13 -2.097259757942723E-12 4.898258495072191E-9 -3.27970315831912E-10 1.309592322851002E-9 1.886270166992215E-11
i 7.965389320955063E-15 -1.867828597342413E-14 1.408445483003882E-11 -1.673139019386496E-11 1.886270166992215E-11 1.934892549326882E-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 15.84   n/a MPCxxxxx  

249883 (2001 QB279)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 2001 QB279 = 2004 FV95 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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