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441726 (2009 BT52)
Classification: Main-belt Asteroid          SPK-ID: 2441726
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0451086442684099 9.1244e-08  
a 2.645501110228258 5.7022e-08 au
q 2.526166141735288 2.654e-07 au
i 13.16584187822784 1.6321e-05 deg
node 316.4865617642595 2.4662e-05 deg
peri 102.7863310964681 0.00024146 deg
M 297.0547369245454 0.00025074 deg
tp 2459275.302640413193
(2021-Mar-01.80264041)
0.0011002 TDB
period 1571.666329047827
4.30
5.0814e-05
1.391e-07
d
yr
n .2290562528104175 7.4057e-09 deg/d
Q 2.764836078721228 5.9594e-08 au
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      7611 days (20.84 yr)  
   first obs. used      1996-01-25  
   last obs. used      2016-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57354  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:35:34  

Additional Information
 Earth MOID = 1.5778 au 
 Jupiter MOID = 2.38711 au 
 T_jup = 3.354 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456484.5 (2013-Jul-11.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04661221165012328 9.0073e-08  
q 2.52240614053015 2.6523e-07 au
tp 2456121.493112174324
(2012-Jul-12.99311217)
0.0010024 TDB
node 316.6203351708896 2.4688e-05 deg
peri 100.6256682395582 0.00023358 deg
i 13.15537935442766 1.6311e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      94  
   data-arc span      7611 days (20.84 yr)  
   first obs. used      1996-01-25  
   last obs. used      2016-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57354  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:35:34  

Additional Information
 Jupiter MOID = 2.38711 au 
 T_jup = 3.354 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.113214893124411E-15 -2.345292226258954E-14 7.566081887632824E-12 9.995914173806284E-15 2.318471435840769E-12 -1.728030701490568E-14
q -2.345292226258954E-14 7.034850030328874E-14 1.170331388824102E-11 -5.867842771089356E-14 1.116562137636269E-12 1.098999987527673E-13
tp 7.566081887632824E-12 1.170331388824102E-11 1.004899961815356E-6 -8.680887986315858E-10 2.327682648555975E-7 1.584113806387832E-9
node 9.995914173806284E-15 -5.867842771089356E-14 -8.680887986315858E-10 6.094923815068688E-10 -7.914582230252751E-10 7.682652587727113E-11
peri 2.318471435840769E-12 1.116562137636269E-12 2.327682648555975E-7 -7.914582230252751E-10 5.456155518267338E-8 2.890720990544825E-10
i -1.728030701490568E-14 1.098999987527673E-13 1.584113806387832E-9 7.682652587727113E-11 2.890720990544825E-10 2.660476865189599E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.5   n/a MPO349182  

441726 (2009 BT52)          Discovered 2009-Jan-16 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

Alternate Designations
 2009 BT52 = 2011 SK6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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