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20782 Markcroce (2000 RZ52)
Classification: Main-belt Asteroid          SPK-ID: 2020782
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09909818752572563 2.8547e-08  
a 2.319521957087168 7.6272e-09 au
q 2.089661535213705 6.6093e-08 au
i .1191075519082448 3.8869e-06 deg
node 172.1555929499044 0.0015537 deg
peri 288.7451415702051 0.0015538 deg
M 224.2445657644948 2.0837e-05 deg
tp 2459687.076221244205
(2022-Apr-17.57622124)
7.508e-05 TDB
period 1290.316226634711
3.53
6.3644e-06
1.742e-08
d
yr
n .2790013739026752 1.3762e-09 deg/d
Q 2.54938237896063 8.3831e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2196  
   data-arc span      11272 days (30.86 yr)  
   first obs. used      1989-10-02  
   last obs. used      2020-08-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46104  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:31:31  

Additional Information
 Earth MOID = 1.10637 au 
 Jupiter MOID = 2.55565 au 
 T_jup = 3.572 
[ 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 14.59   n/a E2021B10  
diameter diameter 4.524 km 0.386 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.164   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20782 Markcroce           Discovered 2000 Sept. 4 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Mark Croce (b. 1986) was awarded second place in the 2004 Intel International Science and Engineering Fair for his engineering project. He attends the Langley High School, McLean, Virginia, 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: 20041226/MPCPages.arcLast Updated: 2004-12-25

Alternate Designations
 2000 RZ52 = 1989 TX14 = 1998 FU148 = 1998 FV32 = 1999 NM26 = 2014 WA483 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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