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37586 (1991 BP2)
Classification: Main-belt Asteroid          SPK-ID: 2037586
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2017640075939236 5.6737e-08  
a 2.32848811121621 1.2379e-08 au
q 1.858683018262422 1.3209e-07 au
i 22.23321634583835 6.2489e-06 deg
node 303.8108131695196 1.163e-05 deg
peri 214.7026013435567 1.5012e-05 deg
M 72.87837670811707 1.0456e-05 deg
tp 2458737.772426979512
(2019-Sep-11.27242698)
3.695e-05 TDB
period 1297.805063169598
3.55
1.0349e-05
2.833e-08
d
yr
n .2773914282016906 2.2121e-09 deg/d
Q 2.798293204169998 1.4877e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1430  
   data-arc span      10604 days (29.03 yr)  
   first obs. used      1991-01-16  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42689  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:34:37  

Additional Information
 Earth MOID = .899226 au 
 Jupiter MOID = 2.32591 au 
 T_jup = 3.448 
[ 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 13.5   n/a MPO385055  
diameter diameter 5.006 km 0.189 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 887. h n/a LCDB (Rev. 2019-August); 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:
[Pravec, P.; Wolf, M.; Sarounova, L. (2016) http://www.asu.cas.cz/~ppravec/neo.htm]
[Oey, J.; Groom, R. (2019) Minor Planet Bull. 46, 119-125.]
geometric albedo albedo 0.308   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37586 (1991 BP2)          Discovered 1991-Jan-23 by Matsuyama, M., Watanabe, K. at Kushiro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 BP2 = 1991 BH = 1999 NR21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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