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11503 (1990 BF)
Classification: Main-belt Asteroid          SPK-ID: 2011503
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1018490800552535 1.4309e-08  
a 2.337227288640749 6.5479e-09 au
q 2.099182839412655 3.3084e-08 au
i 4.461929935220081 6.6087e-07 deg
node 324.0719147366748 7.6312e-06 deg
peri 157.3359123912641 1.0848e-05 deg
M 230.4742999435557 6.3859e-06 deg
tp 2459670.073193968738
(2022-Mar-31.57319397)
2.4263e-05 TDB
period 1305.118210170485
3.57
5.4846e-06
1.502e-08
d
yr
n .275837082951263 1.1592e-09 deg/d
Q 2.575271737868845 7.2148e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2640  
   data-arc span      22975 days (62.90 yr)  
   first obs. used      1958-02-18  
   last obs. used      2021-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41947  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 22:40:31  

Additional Information
 Earth MOID = 1.11559 au 
 Jupiter MOID = 2.47533 au 
 T_jup = 3.556 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7   n/a MPO381357  
diameter diameter 5.104 km 0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 5.191 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.247   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

11503 (1990 BF)          Discovered 1990-Jan-21 by Mizuno, Y., Furuta, T. at Kani
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 BF = 1940 BB = 1958 DK1 = 1976 GE8 = 1976 GH8 = 1983 CU3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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