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434292 (2004 BK85)
Classification: Inner Main-belt Asteroid          SPK-ID: 2434292
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 .0151194037137482 8.1101e-08  
a 1.91585966000804 1.0374e-08 au
q 1.886893004349494 1.5589e-07 au
i 24.34257079427402 9.1839e-06 deg
node 127.5792525276447 1.1508e-05 deg
peri 145.3880082557473 0.00025844 deg
M 278.1716140857252 0.00025359 deg
tp 2459220.663565764557
(2021-Jan-06.16356576)
0.00068188 TDB
period 968.598888877924
2.65
7.8672e-06
2.154e-08
d
yr
n .3716708785584536 3.0188e-09 deg/d
Q 1.944826315666586 1.0531e-08 au
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      5933 days (16.24 yr)  
   first obs. used      2004-01-22  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50093  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:24:59  

Additional Information
 Earth MOID = .876512 au 
 Jupiter MOID = 3.14764 au 
 T_jup = 3.822 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457858.5 (2017-Apr-15.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01533890029106243 8.0639e-08  
q 1.886460325352648 1.5503e-07 au
tp 2458250.575769099817
(2018-May-12.07576910)
0.00067896 TDB
node 127.6027561151162 1.1509e-05 deg
peri 144.8636180212536 0.00025668 deg
i 24.3411841941355 9.1833e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      177  
   data-arc span      5933 days (16.24 yr)  
   first obs. used      2004-01-22  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50093  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:24:59  

Additional Information
 Jupiter MOID = 3.14764 au 
 T_jup = 3.822 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.50268449727155E-15 -1.247452643418307E-14 3.651546832088107E-11 -1.20047918148068E-13 1.389252256825602E-11 2.159298474812872E-14
q -1.247452643418307E-14 2.403471422203472E-14 -7.164438338780944E-11 2.30681209087833E-13 -2.726106140282412E-11 -4.035568597514456E-14
tp 3.651546832088107E-11 -7.164438338780944E-11 4.609845247897862E-7 -9.517335434371652E-10 1.741105448724731E-7 2.261171469983796E-10
node -1.20047918148068E-13 2.30681209087833E-13 -9.517335434371652E-10 1.324668595345191E-10 -4.770925783333754E-10 -9.830066986903781E-12
peri 1.389252256825602E-11 -2.726106140282412E-11 1.741105448724731E-7 -4.770925783333754E-10 6.588665166348618E-8 9.312075543029359E-11
i 2.159298474812872E-14 -4.035568597514456E-14 2.261171469983796E-10 -9.830066986903781E-12 9.312075543029359E-11 8.433224025396431E-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 17.6   n/a MPO450437  

434292 (2004 BK85)          Discovered 2004-Jan-22 by LINEAR at Socorro
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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