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30277 Charlesgulian (2000 HF55)
Classification: Main-belt Asteroid          SPK-ID: 2030277
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1309442063706957 3.6092e-08  
a 2.277775836835007 6.4023e-09 au
q 1.9795142875903 8.3039e-08 au
i 4.853993593000186 3.7104e-06 deg
node 224.2343759886323 4.8663e-05 deg
peri 172.6459453515671 5.1127e-05 deg
M 202.294917057113 1.5731e-05 deg
tp 2459750.557498667425
(2022-Jun-20.05749867)
5.5606e-05 TDB
period 1255.639297257059
3.44
5.294e-06
1.449e-08
d
yr
n .2867065412705855 1.2088e-09 deg/d
Q 2.576037386079715 7.2407e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1571  
   data-arc span      11958 days (32.74 yr)  
   first obs. used      1987-08-27  
   last obs. used      2020-05-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47178  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:33:20  

Additional Information
 Earth MOID = .985741 au 
 Jupiter MOID = 2.81958 au 
 T_jup = 3.592 
[ 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 14.77   n/a E2021B10  
diameter diameter 3.619 km 0.449 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.195   0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30277 Charlesgulian           Discovered 2000 Apr. 29 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Charles Gulian (b. 1997) is a finalist in the 2015 Intel Science Talent Search (STS), a science competition for high school seniors, for his space science project. He attends the Ossining High School, Ossining, New York.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2015-04-04Last Updated: 2015-04-07

[ show close-approach data ]
Alternate Designations
 2000 HF55 = 1984 YM3 = 1987 QF12 = 1987 SP3 = 1999 BY24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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