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640 Brambilla (A907 QA)
Classification: Main-belt Asteroid          SPK-ID: 2000640
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 75 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07981659866799759 3.3662e-08  
a 3.157648934079263 1.2162e-08 au
q 2.905616136373428 1.0782e-07 au
i 13.37535342074693 3.6377e-06 deg
node 234.8914361593543 1.4886e-05 deg
peri 29.30503988821217 2.6052e-05 deg
M 83.4602692457791 2.2029e-05 deg
tp 2458525.360131580051
(2019-Feb-10.86013158)
0.00012433 TDB
period 2049.482396557598
5.61
1.184e-05
3.242e-08
d
yr
n .1756541069123951 1.0148e-09 deg/d
Q 3.409681731785097 1.3132e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3026  
   data-arc span      41249 days (112.93 yr)  
   first obs. used      1907-08-29  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41002  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:19:35  

Additional Information
 Earth MOID = 1.8983 au 
 Jupiter MOID = 1.64234 au 
 T_jup = 3.159 
[ 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 9.2   n/a MPO448917  
diameter diameter 62.667 km 0.529 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 7.768 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Bembrick, C. (2001) Minor Planet Bull. 28, 68-69.]
geometric albedo albedo 0.055   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
B-V BV 0.753   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=15.18 deg.
U-B UB 0.465   0.028 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=15.18 deg.
Tholen spectral type spec_T G   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo

640 Brambilla (A907 QA)          Discovered 1907-Aug-29 by Kopff, A. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1954-Aug-10 18:42 00:01 Jupiter 1.98710819542171 1.98710740289093 1.98710898795249 3.9016111251197 3.79078509146259 2434965.279498673 1.0652392662744 87.0748865536152 39.8126274372851 -85.1209935387048 4563658.89262318 T 75 CATAB v2.0f-lin.ifort 2020-Aug-24 22:19:52 2020-Aug-24 22:19
1965-May-01 11:33 < 00:01 Jupiter 1.70209526862767 1.70209489522581 1.70209564202982 4.33201291402598 4.21557415917853 2438881.981238337 0.76732113743926 94.7589923529754 16.9273875438242 86.187466715807 4539811.4402193 T 75 CATAB v2.0f-lin.ifort 2020-Aug-24 22:19:52 2020-Aug-24 22:19
1976-Jan-29 05:26 < 00:01 Jupiter 1.78670065547147 1.78670020622709 1.78670110471626 4.16320734608439 4.04773441704357 2442806.726116338 0.616951551642744 65.5651706439832 14.7765509496279 -75.2073303094437 4499162.15925124 T 75 CATAB v2.0f-lin.ifort 2020-Aug-24 22:19:52 2020-Aug-24 22:19
2072-May-15 20:57 00:01 Jupiter 1.74681425581019 1.74681373770745 1.74681477391382 4.24548544174313 4.12969193419738 2477978.372818522 1.05927612137334 109.01509360615 20.8433215928253 81.6676025176174 4410723.39443043 T 75 CATAB v2.0f-lin.ifort 2020-Aug-24 22:19:52 2020-Aug-24 22:19
2083-Feb-18 17:19 00:01 Jupiter 1.72844459236278 1.72844409015103 1.72844509457737 4.32344746823732 4.20857458568541 2481909.221393839 1.28303237493552 142.086188720534 13.7286178468898 -81.5005768198741 4623900.84165084 T 75 CATAB v2.0f-lin.ifort 2020-Aug-24 22:19:52 2020-Aug-24 22:19
2179-Jun-10 05:31 00:03 Jupiter 1.82014589704508 1.8201444057967 1.82014738829976 4.06626970491738 3.95016834440832 2517083.729875444 2.97467880569383 202.831117837339 32.6684642461483 69.1505556444088 4082510.77426963 T 75 CATAB v2.0f-lin.ifort 2020-Aug-24 22:19:52 2020-Aug-24 22:19
2190-Mar-14 06:13 00:03 Jupiter 1.69305007051971 1.69304958112731 1.69305055993045 4.3900728216869 4.27459374747535 2521013.758817045 3.05999055696906 352.052770420374 13.7192244277641 -86.818661988811 4643220.03253712 T 75 CATAB v2.0f-lin.ifort 2020-Aug-24 22:19:52 2020-Aug-24 22:19
2200-Nov-27 02:22 00:04 Jupiter 1.94175798571327 1.94175595682131 1.9417600146156 4.12861766669432 4.02157373735447 2524923.598861280 3.6779288776798 250.715086764318 15.7353428243534 -65.5698581936387 5106504.29913252 T 75 CATAB v2.0f-lin.ifort 2020-Aug-24 22:19:52 2020-Aug-24 22:19

Alternate Designations
 A907 QA = A902 TD 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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