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442569 (2012 BN22)
Classification: Main-belt Asteroid          SPK-ID: 2442569
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1335728016688905 8.1885e-08  
a 3.054897680742668 7.2487e-08 au
q 2.646846438714074 2.8877e-07 au
i 8.14490057067373 8.8957e-06 deg
node 263.9791040401217 6.4056e-05 deg
peri 145.0377316313053 8.2666e-05 deg
M 262.4725080412161 6.1583e-05 deg
tp 2459528.845466393749
(2021-Nov-10.34546639)
0.00034811 TDB
period 1950.26411611335
5.34
6.9414e-05
1.9e-07
d
yr
n .1845903829258974 6.57e-09 deg/d
Q 3.462948922771262 8.2169e-08 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      5345 days (14.63 yr)  
   first obs. used      2005-10-29  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64357  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 07:19:33  

Additional Information
 Earth MOID = 1.66261 au 
 Jupiter MOID = 1.90627 au 
 T_jup = 3.207 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457463.5 (2016-Mar-16.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1383869909610548 8.3173e-08  
q 2.626331698812333 2.9298e-07 au
tp 2457576.559945823987
(2016-Jul-07.05994582)
0.00028144 TDB
node 264.052238512948 6.4108e-05 deg
peri 144.2145189400053 8.1069e-05 deg
i 8.147169089285455 8.876e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      5345 days (14.63 yr)  
   first obs. used      2005-10-29  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64357  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 07:19:33  

Additional Information
 Jupiter MOID = 1.90627 au 
 T_jup = 3.207 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.917690997044912E-15 -2.400312379852811E-14 -9.697875828776745E-12 -2.892817956981043E-14 -1.400438991447531E-12 -1.850534146162492E-14
q -2.400312379852811E-14 8.583756377475531E-14 4.16031605205855E-11 1.123395977941478E-13 6.257908849555193E-12 7.264602925867631E-14
tp -9.697875828776745E-12 4.16031605205855E-11 7.920936656567603E-8 1.521573872387257E-10 1.404306861908262E-8 8.009011946075797E-11
node -2.892817956981043E-14 1.123395977941478E-13 1.521573872387257E-10 4.10986981753248E-9 -4.041447342457784E-9 2.216985686394009E-10
peri -1.400438991447531E-12 6.257908849555193E-12 1.404306861908262E-8 -4.041447342457784E-9 6.572188702036894E-9 -2.055025745211869E-10
i -1.850534146162492E-14 7.264602925867631E-14 8.009011946075797E-11 2.216985686394009E-10 -2.055025745211869E-10 7.878411366390379E-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 16.1   n/a MPO437721  
diameter diameter 2.986 km 1.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.125   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

442569 (2012 BN22)          Discovered 2005-Oct-29 by CSS at Catalina
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2012 BN22 = 2005 UD355 = 2010 MC103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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