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JPL Small-Body Database Browser
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3075 Bornmann (1981 EY15)
Classification: Main-belt Asteroid          SPK-ID: 2003075
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1309297947576889 4.0868e-08  
a 2.273413598250432 7.9104e-09 au
q 1.975756022432164 9.3748e-08 au
i 9.973239429847721 4.3673e-06 deg
node 334.5039605540413 2.159e-05 deg
peri 10.64553202376883 2.8178e-05 deg
M .2263245438070275 2.1542e-05 deg
tp 2458999.712872184405
(2020-May-30.21287218)
7.4919e-05 TDB
period 1252.033954636541
3.43
6.5347e-06
1.789e-08
d
yr
n .2875321381395812 1.5007e-09 deg/d
Q 2.5710711740687 8.9461e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2260  
   data-arc span      14046 days (38.46 yr)  
   first obs. used      1981-02-12  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43138  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 18:53:06  

Additional Information
 Earth MOID = .968602 au 
 Jupiter MOID = 2.8161 au 
 T_jup = 3.580 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO337275  
diameter diameter 4.477 km 0.792 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
rotation period rot_per 2.987 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.243   0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

3075 Bornmann (1981 EY15)          Discovered 1981-Mar-01 by Bus, S. J. at Siding Spring
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1981 EY15 = 1982 QK 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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