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215285 (2001 QX243)
Classification: Main-belt Asteroid          SPK-ID: 2215285
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1921914802760969 4.1322e-08  
a 2.68468402346827 1.3232e-08 au
q 2.168710626924315 1.0989e-07 au
i 11.46237304896046 4.8085e-06 deg
node 184.276141517491 1.999e-05 deg
peri 139.3518096737864 2.3315e-05 deg
M 207.5376538218265 1.3361e-05 deg
tp 2460076.953249284918
(2023-May-12.45324928)
6.2718e-05 TDB
period 1606.712581061141
4.40
1.1879e-05
3.252e-08
d
yr
n .2240599869842562 1.6565e-09 deg/d
Q 3.200657420012224 1.5776e-08 au
  Orbit Determination Parameters
   # obs. used (total)      537  
   data-arc span      10938 days (29.95 yr)  
   first obs. used      1991-04-09  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5208  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 03:32:28  

Additional Information
 Earth MOID = 1.17101 au 
 Jupiter MOID = 2.2453 au 
 T_jup = 3.320 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457405.5 (2016-Jan-18.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1942358710206516 4.1448e-08  
q 2.16132052326452 1.1039e-07 au
tp 2456863.137342826278
(2014-Jul-24.63734283)
5.0017e-05 TDB
node 184.3377060141839 1.9977e-05 deg
peri 139.0704732447091 2.3217e-05 deg
i 11.46924014243259 4.8128e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      537  
   data-arc span      10938 days (29.95 yr)  
   first obs. used      1991-04-09  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5208  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 03:32:28  

Additional Information
 Jupiter MOID = 2.2453 au 
 T_jup = 3.320 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.717956280514879E-15 -4.554882156842706E-15 4.344962594155547E-13 -5.938269621122096E-15 6.075260486847916E-14 -3.482242544260709E-15
q -4.554882156842706E-15 1.218577749572422E-14 -9.96159416553691E-13 1.701757438659553E-14 -1.199951862228115E-13 9.331188965193128E-15
tp 4.344962594155547E-13 -9.96159416553691E-13 2.501680086279142E-9 3.494568844094739E-12 6.036346917753975E-10 -4.756398064190277E-12
node -5.938269621122096E-15 1.701757438659553E-14 3.494568844094739E-12 3.990796591269183E-10 -3.895278270721572E-10 6.405464123512755E-13
peri 6.075260486847916E-14 -1.199951862228115E-13 6.036346917753975E-10 -3.895278270721572E-10 5.390445704856165E-10 -1.672744219410174E-12
i -3.482242544260709E-15 9.331188965193128E-15 -4.756398064190277E-12 6.405464123512755E-13 -1.672744219410174E-12 2.31627087204701E-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 15.88   n/a MPCxxxxx  
diameter diameter 4.041 km 0.272 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215285 (2001 QX243)          Discovered 2001-Aug-24 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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