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150520 Dong (2000 RF107)
Classification: Main-belt Asteroid          SPK-ID: 2150520
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1019583652601197 5.411e-08  
a 2.600153298193448 1.728e-08 au
q 2.335045918483936 1.426e-07 au
i 3.190424985931512 6.4772e-06 deg
node 37.30143426481624 7.9416e-05 deg
peri 213.5171713689487 8.5088e-05 deg
M 24.87905854577436 2.8634e-05 deg
tp 2459094.665247487161
(2020-Sep-02.16524749)
0.00012216 TDB
period 1531.428966032694
4.19
1.5266e-05
4.18e-08
d
yr
n .2350745662938665 2.3434e-09 deg/d
Q 2.865260677902961 1.9042e-08 au
  Orbit Determination Parameters
   # obs. used (total)      298  
   data-arc span      7233 days (19.80 yr)  
   first obs. used      2000-09-03  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52228  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:18:54  

Additional Information
 Earth MOID = 1.32016 au 
 Jupiter MOID = 2.15715 au 
 T_jup = 3.405 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457520.5 (2016-May-12.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1012051627671905 5.4234e-08  
q 2.336216877982741 1.429e-07 au
tp 2457561.400206756861
(2016-Jun-21.90020676)
0.00012844 TDB
node 37.32541169148878 7.938e-05 deg
peri 212.9585135465634 8.5102e-05 deg
i 3.191446848020215 6.4786e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      298  
   data-arc span      7233 days (19.80 yr)  
   first obs. used      2000-09-03  
   last obs. used      2020-06-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52228  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:18:54  

Additional Information
 Jupiter MOID = 2.15715 au 
 T_jup = 3.405 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.941316134040951E-15 -7.704268831960947E-15 -2.442904490736213E-12 4.419819123569324E-15 -5.08402009595944E-13 1.424192517389044E-15
q -7.704268831960947E-15 2.041904430785902E-14 5.497258139038656E-12 -9.661480173246382E-15 1.114587596876934E-12 -3.88993349736322E-15
tp -2.442904490736213E-12 5.497258139038656E-12 1.649738245725645E-8 -4.462586076167842E-11 3.951921083189341E-9 3.439348892708997E-12
node 4.419819123569324E-15 -9.661480173246382E-15 -4.462586076167842E-11 6.301105444043588E-9 -6.301093929024983E-9 -7.625763353881418E-11
peri -5.08402009595944E-13 1.114587596876934E-12 3.951921083189341E-9 -6.301093929024983E-9 7.24230498630356E-9 7.702005787348574E-11
i 1.424192517389044E-15 -3.88993349736322E-15 3.439348892708997E-12 -7.625763353881418E-11 7.702005787348574E-11 4.197239855736482E-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 16.63   n/a E2021B55  
diameter diameter 3.017 km 0.566 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

150520 Dong           Discovered 2000 Sept. 3 by the Sloan Digital Sky Survey at Apache Point.
Feng Dong (b. 1979) is a Chinese-American astronomer and a contributor to the Sloan Digital Sky Survey, best known for his work in building large optical galaxy cluster catalogs from the SDSS.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120406/MPCPages.arcLast Updated: 2012-04-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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