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3503 Brandt (1981 EF17)
Classification: Main-belt Asteroid          SPK-ID: 2003503
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1861976230373206 3.8199e-08  
a 2.616603003575091 1.052e-08 au
q 2.129397743877095 1.0113e-07 au
i 11.91445971053492 5.0746e-06 deg
node 186.8777902969161 1.7428e-05 deg
peri 113.5397527850376 2.2163e-05 deg
M 347.999376803216 1.242e-05 deg
tp 2459052.035498247223
(2020-Jul-21.53549825)
5.3339e-05 TDB
period 1545.984659694358
4.23
9.3231e-06
2.553e-08
d
yr
n .2328613015288083 1.4043e-09 deg/d
Q 3.103808263273086 1.2478e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1729  
   data-arc span      16686 days (45.68 yr)  
   first obs. used      1974-10-10  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48611  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:58:09  

Additional Information
 Earth MOID = 1.14742 au 
 Jupiter MOID = 2.26914 au 
 T_jup = 3.352 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456989.5 (2014-Nov-28.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1848070197384828 3.8214e-08  
q 2.133167019313697 1.0093e-07 au
tp 2457507.278977320527
(2016-Apr-28.77897732)
5.4554e-05 TDB
node 186.9157673725709 1.7429e-05 deg
peri 113.581914250548 2.2221e-05 deg
i 11.91222550590955 5.0738e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1729  
   data-arc span      16686 days (45.68 yr)  
   first obs. used      1974-10-10  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48611  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:58:09  

Additional Information
 Jupiter MOID = 2.26914 au 
 T_jup = 3.352 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.460302339979196E-15 -3.842927691727896E-15 8.781555668538669E-13 -1.417969405506283E-15 2.469869960729415E-13 -6.029979786825776E-15
q -3.842927691727896E-15 1.018704669323292E-14 -2.376256632939344E-12 4.089284604883526E-15 -6.740749441417348E-13 1.601319786970796E-14
tp 8.781555668538669E-13 -2.376256632939344E-12 2.976124914131833E-9 -4.565839087289622E-12 7.601447293504648E-10 -7.77768927793254E-12
node -1.417969405506283E-15 4.089284604883526E-15 -4.565839087289622E-12 3.037528895581909E-10 -2.977406751412069E-10 -1.198151967886702E-11
peri 2.469869960729415E-13 -6.740749441417348E-13 7.601447293504648E-10 -2.977406751412069E-10 4.937542292364293E-10 9.945583819045207E-12
i -6.029979786825776E-15 1.601319786970796E-14 -7.77768927793254E-12 -1.198151967886702E-11 9.945583819045207E-12 2.574329783350457E-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 13.4   n/a MPO435731  
diameter diameter 5.245 km 0.404 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.213   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

3503 Brandt (1981 EF17)          Discovered 1981-Mar-01 by Bus, S. J. at Siding Spring
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1981 EF17 = 1974 TB1 = 1978 SQ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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