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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02018956504395476 3.4566e-08  
a 2.289063013787802 8.0049e-09 au
q 2.242847827181222 8.0076e-08 au
i 4.75534063897769 4.2331e-06 deg
node 232.135543895398 4.6275e-05 deg
peri 268.0131819778779 0.00011846 deg
M 125.2780220585586 0.00010843 deg
tp 2458956.292501227679
(2020-Apr-16.79250123)
0.00038121 TDB
period 1264.984048710156
3.46
6.6355e-06
1.817e-08
d
yr
n .2845885688179822 1.4928e-09 deg/d
Q 2.335278200394382 8.1665e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1151  
   data-arc span      11812 days (32.34 yr)  
   first obs. used      1989-02-04  
   last obs. used      2021-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52801  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 06:42:50  

Additional Information
 Earth MOID = 1.26071 au 
 Jupiter MOID = 2.64799 au 
 T_jup = 3.595 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456821.5 (2014-Jun-13.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01995190854868971 3.4723e-08  
q 2.243721562996983 8.0496e-08 au
tp 2456429.728447991990
(2013-May-17.22844799)
0.00038585 TDB
node 232.1845681993904 4.6311e-05 deg
peri 269.1202584102638 0.00011927 deg
i 4.752700529037109 4.2319e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1151  
   data-arc span      11812 days (32.34 yr)  
   first obs. used      1989-02-04  
   last obs. used      2021-06-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52801  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 06:42:50  

Additional Information
 Jupiter MOID = 2.64799 au 
 T_jup = 3.595 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.205692933453845E-15 -2.781598047943627E-15 1.35352280437688E-12 -6.166226248264399E-15 3.774842089156917E-13 -7.941138535677717E-16
q -2.781598047943627E-15 6.479605444957897E-15 -3.4984202115653E-12 1.371025450417039E-14 -9.745786883669541E-13 1.968420816157472E-15
tp 1.35352280437688E-12 -3.4984202115653E-12 1.488829835061372E-7 7.934052101955053E-12 4.241991884955845E-8 -8.164599997716809E-12
node -6.166226248264399E-15 1.371025450417039E-14 7.934052101955053E-12 2.14470709200163E-9 -2.134608566140213E-9 -8.910041156393866E-12
peri 3.774842089156917E-13 -9.745786883669541E-13 4.241991884955845E-8 -2.134608566140213E-9 1.422423706561129E-8 6.574171648720537E-12
i -7.941138535677717E-16 1.968420816157472E-15 -8.164599997716809E-12 -8.910041156393866E-12 6.574171648720537E-12 1.790901203886322E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.62   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

Alternate Designations
 2000 HZ51 = 1989 CA7 = 1998 XT54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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