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16881 (1998 BH12)
Classification: Main-belt Asteroid          SPK-ID: 2016881
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1039482242467833 4.4356e-08  
a 2.576550913980935 1.2546e-08 au
q 2.308723021791191 1.1754e-07 au
i 15.57009851166117 3.9495e-06 deg
node 115.5151997665488 1.712e-05 deg
peri 288.7497880760719 2.5365e-05 deg
M 261.4412628074899 2.0461e-05 deg
tp 2459614.070115904013
(2022-Feb-03.57011590)		 8.6856e-05 TDB
period 1510.624486133929
4.14		 1.1034e-05
3.021e-08		 d
yr
n .2383120380375478 1.7407e-09 deg/d
Q 2.84437880617068 1.385e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1325  
   data-arc span      9162 days (25.08 yr)  
   first obs. used      1995-07-24  
   last obs. used      2020-08-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50082  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:45:16  

Additional Information
 Earth MOID = 1.37076 au 
 Jupiter MOID = 2.49835 au 
 T_jup = 3.368 
[ 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 14.35   n/a E2021B10  
diameter diameter 3.483 km 0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.334   0.072 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

16881 (1998 BH12)          Discovered 1998-Jan-23 by LINEAR at Socorro
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 BH12 = 1995 OL6 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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