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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 ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08539713156058981 4.9458e-08  
a 2.717486763702682 2.6108e-08 au
q 2.485421189028603 1.3309e-07 au
i 6.168197955557217 5.1109e-06 deg
node 91.19069627038644 7.195e-05 deg
peri 200.9405185310348 8.4569e-05 deg
M 321.0343710385148 4.5327e-05 deg
tp 2459377.604164294913
(2021-Jun-12.10416429)
0.00020663 TDB
period 1636.249711487739
4.48
2.358e-05
6.456e-08
d
yr
n .2200153176330736 3.1707e-09 deg/d
Q 2.949552338376762 2.8338e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55434  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 16:17:52  

Additional Information
 Earth MOID = 1.46835 au 
 Jupiter MOID = 2.18131 au 
 T_jup = 3.346 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457521.5 (2016-May-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08439755890983335 4.9346e-08  
q 2.488490642122673 1.3252e-07 au
tp 2457738.822724928422
(2016-Dec-16.32272493)
0.00020466 TDB
node 91.20181644751899 7.195e-05 deg
peri 200.5089500976691 8.4873e-05 deg
i 6.167816628612847 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55434  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 16:17:52  

Additional Information
 Jupiter MOID = 2.18131 au 
 T_jup = 3.346 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.435021723939544E-15 -6.432878321296802E-15 2.93745171575072E-12 -3.461130906395863E-14 7.213608299378795E-13 3.534542309242587E-16
q -6.432878321296802E-15 1.756172535750173E-14 -7.272518224221693E-12 9.443247394041272E-14 -1.822548455917424E-12 1.017434497920142E-16
tp 2.93745171575072E-12 -7.272518224221693E-12 4.188417653619296E-8 5.091459211469489E-11 9.301863260847481E-9 -9.551140106254979E-14
node -3.461130906395863E-14 9.443247394041272E-14 5.091459211469489E-11 5.176834850975617E-9 -5.135849676471291E-9 -6.890783071384517E-12
peri 7.213608299378795E-13 -1.822548455917424E-12 9.301863260847481E-9 -5.135849676471291E-9 7.203484789737122E-9 6.795008162689454E-12
i 3.534542309242587E-16 1.017434497920142E-16 -9.551140106254979E-14 -6.890783071384517E-12 6.795008162689454E-12 2.611670680745435E-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 16.63   n/a E2021B25  
rotation period rot_per 5.40 h n/a LCDB (Rev. 2020-October); 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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