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JPL Small-Body Database Browser
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3259 Brownlee (1984 SZ4)
Classification: Main-belt Asteroid          SPK-ID: 2003259
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1229534725408109 4.7278e-08  
a 3.166687340645038 2.0601e-08 au
q 2.777332135661704 1.5501e-07 au
i 15.47898003773826 4.8628e-06 deg
node 242.4938398128866 1.7423e-05 deg
peri 314.5691125422807 2.5631e-05 deg
M 316.074608779361 2.0781e-05 deg
tp 2459251.641996931496
(2021-Feb-06.14199693)
0.00011979 TDB
period 2058.28830166133
5.64
2.0086e-05
5.499e-08
d
yr
n .1749026118981626 1.7068e-09 deg/d
Q 3.55604254562837 2.3134e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2521  
   data-arc span      24080 days (65.93 yr)  
   first obs. used      1954-05-24  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42876  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:51:39  

Additional Information
 Earth MOID = 1.79606 au 
 Jupiter MOID = 1.54806 au 
 T_jup = 3.135 
[ 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 10.1   n/a MPO337277  
diameter diameter 25.579 km 0.639 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 9.25 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[De Sanctis, M.C.; Barucci, M.A.; Angeli, C.A.; Fulchignoni, M.; et al. (1994) Planet. Space Sci. 42, 859-864.]
[Carbo, L.; Green, D.; Kragh, K.; Krotz, J.; et al. (2009) Minor Planet Bull. 36, 152-157.]
geometric albedo albedo 0.303   0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3259 Brownlee (1984 SZ4)          Discovered 1984-Sep-25 by Platt, J. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ hide close-approach data ]
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
1917-Sep-29 14:54 00:03 Jupiter 1.63169204744074 1.63169064047522 1.63169345443066 4.59183838730493 4.47736150862721 2421501.121131644 2.50556216427816 357.443542649801 28.8570378450948 80.0701688539594 3472318.02078495 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:51:52 2020-May-20 01:52
1928-Jul-21 11:24 00:02 Jupiter 1.62308601886036 1.62308473229916 1.62308730543624 3.79709072737644 3.65707251963951 2425448.974870818 2.4003404790854 290.819252681021 31.963131646839 -77.1466420506433 2201669.35804749 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:51:52 2020-May-20 01:52
1938-Dec-01 19:34 00:03 Jupiter 1.99771570645899 1.99771442467816 1.99771698824585 1.83617180915756 1.58856408957938 2429234.315353464 3.00613854831499 274.52630652868 52.5895039744341 67.8060343096026 1969227.65454388 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:51:52 2020-May-20 01:52
2024-Nov-18 05:01 < 00:01 Jupiter 1.75182410997831 1.75182361465981 1.75182460529681 4.69731452382774 4.5932282735546 2460632.709186452 0.36891162333794 100.355718051539 23.9407228158947 -89.388931780419 3710257.47789291 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:51:52 2020-May-20 01:52
2035-Sep-16 19:32 < 00:01 Jupiter 1.54389717977387 1.54389664729088 1.54389771225738 4.22722904110064 4.09538922100396 2464587.313958792 0.681679015408573 130.139685783148 23.6452633590067 -85.2164059261505 2803915.35611854 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:51:52 2020-May-20 01:52
2046-Apr-29 13:24 00:02 Jupiter 1.87303250782725 1.87303144018717 1.87303357546786 2.52944727010146 2.34385659836604 2468465.058282109 1.60108992055319 119.751839181264 78.8721854538756 60.1465105124987 1264717.26564859 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:51:52 2020-May-20 01:52
2132-Jan-13 09:52 00:03 Jupiter 1.91836799591218 1.91836484691111 1.91837114491555 4.68037472432192 4.58506726577568 2499768.910792145 3.41462914016489 201.716506361214 86.9234292753324 44.2682339695307 2344498.86942123 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:51:52 2020-May-20 01:52
2142-Nov-01 17:29 00:03 Jupiter 1.53557416415828 1.53557322184041 1.53557510653342 4.4516411769204 4.32595763035286 2503714.228137926 3.36218316586172 563.665256291418 24.2005138434759 86.2595241669421 3124166.15033763 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:51:52 2020-May-20 01:52
2153-Aug-15 07:55 00:05 Jupiter 1.70506045156389 1.70505746488673 1.70506343827179 3.59894676268795 3.45816110504763 2507653.829803591 4.61329009109375 410.041571704036 43.9147968561025 -65.8104890422416 1916668.17249772 T 35 CATAB v2.0f-lin.ifort 2020-May-20 01:51:52 2020-May-20 01:52

Alternate Designations
 1984 SZ4 = 1934 XE = 1937 JJ = 1937 KD = 1943 MC = 1948 JA = 1951 XX = 1954 KF = 1956 TO = 1965 JG = 1973 SQ5 = 1976 KA = 1978 RE1 = 1979 VH3 = 1979 XX1 = 1979 YC2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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