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469088 (2015 BM346)
Classification: Main-belt Asteroid          SPK-ID: 2469088
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08528017492842216 4.9479e-08  
a 2.717429934203366 2.631e-08 au
q 2.485687034058772 1.3302e-07 au
i 6.168207856292637 5.1109e-06 deg
node 91.19102127049932 7.195e-05 deg
peri 200.9122555457642 8.4588e-05 deg
M 277.0452587331598 4.5215e-05 deg
tp 2459377.528926820539
(2021-Jun-12.02892682)
0.00020679 TDB
period 1636.198384596132
4.48
2.3762e-05
6.506e-08
d
yr
n .220022219425953 3.1953e-09 deg/d
Q 2.94917283434796 2.8553e-08 au
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      8036 days (22.00 yr)  
   first obs. used      1998-04-22  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55384  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 04:45:28  

Additional Information
 Earth MOID = 1.47056 au 
 Jupiter MOID = 2.18245 au 
 T_jup = 3.347 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457521.5 (2016-May-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08439755931875456 4.9346e-08  
q 2.488490638141869 1.3252e-07 au
tp 2457738.822726610630
(2016-Dec-16.32272661)
0.00020466 TDB
node 91.20181659784377 7.195e-05 deg
peri 200.5089502637993 8.4873e-05 deg
i 6.167816610475643 5.1105e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      157  
   data-arc span      8036 days (22.00 yr)  
   first obs. used      1998-04-22  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55384  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 04:45:28  

Additional Information
 Jupiter MOID = 2.18245 au 
 T_jup = 3.347 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.43502155989662E-15 -6.432877594502735E-15 2.93745335950888E-12 -3.461144134888405E-14 7.213612797363759E-13 3.534530563804724E-16
q -6.432877594502735E-15 1.75617243036149E-14 -7.272519063144589E-12 9.443267910524023E-14 -1.822548655715156E-12 1.017602129503261E-16
tp 2.93745335950888E-12 -7.272519063144589E-12 4.188417245243497E-8 5.091463589448146E-11 9.301862182426009E-9 -9.551790795269616E-14
node -3.461144134888405E-14 9.443267910524023E-14 5.091463589448146E-11 5.176834860125133E-9 -5.135849665619518E-9 -6.890775079478298E-12
peri 7.213612797363759E-13 -1.822548655715156E-12 9.301862182426009E-9 -5.135849665619518E-9 7.203484507847699E-9 6.794998953054139E-12
i 3.534530563804724E-16 1.017602129503261E-16 -9.551790795269616E-14 -6.890775079478298E-12 6.794998953054139E-12 2.611670664640034E-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 16.4   n/a MPO434685  
rotation period rot_per 5.40 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

469088 (2015 BM346)          Discovered 1998-Apr-22 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-06-21

Alternate Designations
 2015 BM346 = 1998 HY30 = 2012 MM8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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