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27108 Bryanhe (1998 VM30)
Classification: Main-belt Asteroid          SPK-ID: 2027108
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1077485837035333 3.8141e-08  
a 2.305417978997937 6.6332e-09 au
q 2.057012456916247 8.7319e-08 au
i 2.795092525190544 3.8411e-06 deg
node 25.39216947702277 7.2727e-05 deg
peri 24.103535343346 7.5836e-05 deg
M 60.11278924948746 1.8851e-05 deg
tp 2458787.005191185791
(2019-Oct-30.50519119)
6.703e-05 TDB
period 1278.565379059841
3.50
5.5181e-06
1.511e-08
d
yr
n .2815655780267698 1.2152e-09 deg/d
Q 2.553823501079627 7.3479e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1200  
   data-arc span      10228 days (28.00 yr)  
   first obs. used      1992-01-28  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57835  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:57:11  

Additional Information
 Earth MOID = 1.06745 au 
 Jupiter MOID = 2.7556 au 
 T_jup = 3.579 
[ 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 15.5   n/a MPO365573  
diameter diameter 3.898 km 0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.116   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27108 Bryanhe           Discovered 1998 Nov. 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Bryan Dawei He (b. 1994) was a finalist in the 2010 Intel Science Talent Search, a science competition for high-school seniors, for his computer-science project. He attends the Williamsville High School East, East Amherst, New York, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110319/MPCPages.arcLast Updated: 2011-03-23

Alternate Designations
 1998 VM30 = 1992 BY3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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