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16889 (1998 BD27)
Classification: Outer Main-belt Asteroid          SPK-ID: 2016889
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1035427602407472 3.4535e-08  
a 3.22782385174571 2.1488e-08 au
q 2.893606060565039 1.1176e-07 au
i 2.061716262571093 3.9966e-06 deg
node 128.4029018826848 0.00011946 deg
peri 145.9662969806445 0.00012205 deg
M 209.9859839229068 2.8314e-05 deg
tp 2460083.158085022970
(2023-May-18.65808502)
0.00017143 TDB
period 2118.18148008898
5.80
2.1151e-05
5.791e-08
d
yr
n .1699571086727079 1.6971e-09 deg/d
Q 3.562041642926382 2.3712e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1080  
   data-arc span      10200 days (27.93 yr)  
   first obs. used      1993-03-18  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5509  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:45:38  

Additional Information
 Earth MOID = 1.87572 au 
 Jupiter MOID = 1.53509 au 
 T_jup = 3.178 
[ 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 14.39   n/a E2021B10  
diameter diameter 6.583 km 0.295 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16889 (1998 BD27)          Discovered 1998-Jan-22 by Spacewatch at Kitt Peak
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 BD27 = 1993 FD81 = 1999 JN1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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