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30271 Brandoncui (2000 HZ51)
Classification: Main-belt Asteroid          SPK-ID: 2030271
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02031423191704813 3.4725e-08  
a 2.288958744494833 8.157e-09 au
q 2.24246030571061 8.0597e-08 au
i 4.755481211558775 4.2396e-06 deg
node 232.1369743411222 4.648e-05 deg
peri 267.9362866426023 0.00011831 deg
M 69.55898004447724 0.00010814 deg
tp 2458956.097255162184
(2020-Apr-16.59725516)
0.00038011 TDB
period 1264.897617609613
3.46
6.7614e-06
1.851e-08
d
yr
n .2846080149003073 1.5214e-09 deg/d
Q 2.335457183279057 8.3227e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1136  
   data-arc span      11418 days (31.26 yr)  
   first obs. used      1989-02-04  
   last obs. used      2020-05-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53027  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:33:17  

Additional Information
 Earth MOID = 1.25931 au 
 Jupiter MOID = 2.64886 au 
 T_jup = 3.595 
[ 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 15.62   n/a E2021B10  
diameter diameter 1.834 km 0.433 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.331   0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30271 Brandoncui           Discovered 2000 Apr. 29 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Brandon Bichemg Cui (b. 1997) is a finalist in the 2015 Intel Science Talent Search (STS), a science competition for high school seniors, for his engineering project. He attends the Hillcrest High School, Midvale, Utah.
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 HZ51 = 1989 CA7 = 1998 XT54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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