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48820 (1997 WW33)
Classification: Main-belt Asteroid          SPK-ID: 2048820
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1471364612034929 3.8098e-08  
a 3.108408389118325 1.5998e-08 au
q 2.651048178768205 1.2165e-07 au
i .4599418901991194 4.3653e-06 deg
node 13.22744416121436 0.00052205 deg
peri 76.13660127120767 0.00052231 deg
M 16.57652761008837 1.4815e-05 deg
tp 2458908.328512574361
(2020-Feb-28.82851257)
8.2286e-05 TDB
period 2001.730172550484
5.48
1.5453e-05
4.231e-08
d
yr
n .1798444190613911 1.3884e-09 deg/d
Q 3.565768599468446 1.8352e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1134  
   data-arc span      10339 days (28.31 yr)  
   first obs. used      1991-10-08  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52841  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:14:16  

Additional Information
 Earth MOID = 1.6676 au 
 Jupiter MOID = 1.63436 au 
 T_jup = 3.203 
[ 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 14.4   n/a MPO452835  
diameter diameter 7.548 km 0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.55 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
geometric albedo albedo 0.045   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48820 (1997 WW33)          Discovered 1997-Nov-29 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ 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
1903-Feb-13 04:39 00:03 Jupiter 1.79038764591099 1.79038658878441 1.79038870303868 2.63959825606278 2.45383169543781 2416158.693699354 2.87620672669407 114.767325063281 12.3399430578064 82.6656064875992 1931368.63276982 T 23 CATAB v2.0f-lin.ifort 2020-Feb-23 09:14:31 2020-Feb-23 09:14
1913-Mar-06 07:35 00:03 Jupiter 1.69972853891379 1.69972796264114 1.69972911518606 1.81047684420833 1.51035432165567 2419832.816244776 2.58133398651918 51.4349420848402 27.7280411909522 85.0230974448435 2329646.85275667 T 23 CATAB v2.0f-lin.ifort 2020-Feb-23 09:14:31 2020-Feb-23 09:14
1974-Sep-25 15:20 00:01 Jupiter 1.85801289936973 1.85801226055544 1.85801353818403 3.04233744255625 2.88860972812468 2442316.138871012 1.07054613536647 61.5170956909717 17.6563863945981 80.9325680837793 2375447.76828155 T 23 CATAB v2.0f-lin.ifort 2020-Feb-23 09:14:31 2020-Feb-23 09:14
1984-Oct-15 18:54 < 00:01 Jupiter 1.67697112197786 1.67697076327222 1.67697148068331 1.82431766702198 1.5224826937203 2445989.287629359 0.814640024490057 54.424720308595 26.4216885162212 81.6363232408964 2617586.90945165 T 23 CATAB v2.0f-lin.ifort 2020-Feb-23 09:14:31 2020-Feb-23 09:14
1994-Nov-16 20:09 < 00:01 Jupiter 1.95176178926658 1.95176129496278 1.95176228357027 2.50353002110044 2.32372668526493 2449673.339739181 0.529548087097849 44.5411361051901 9.20784663462371 84.3193988462518 2693096.68444652 T 23 CATAB v2.0f-lin.ifort 2020-Feb-23 09:14:31 2020-Feb-23 09:14
2046-May-04 21:49 < 00:01 Jupiter 1.93331995183846 1.93331940968867 1.93332049398814 3.48561604381393 3.35757098976155 2468470.408769176 0.737733474868334 49.9552782372383 19.3595021599738 83.1326915777945 2730654.06910907 T 23 CATAB v2.0f-lin.ifort 2020-Feb-23 09:14:31 2020-Feb-23 09:14
2056-May-28 20:15 00:01 Jupiter 1.66993842435645 1.66993804723614 1.66993880147648 1.90224232419272 1.61371937880045 2472147.343558890 1.04770355769696 57.0034020294567 25.310398130597 89.9989252808977 2336063.5747585 T 23 CATAB v2.0f-lin.ifort 2020-Feb-23 09:14:31 2020-Feb-23 09:14
2066-Jun-24 12:10 00:01 Jupiter 1.86823685639168 1.86823615466148 1.86823755812167 2.24366088871416 2.03156412714837 2475826.006986267 1.30226020414565 51.329800522066 10.2342455865099 81.4134893987271 2203771.3150754 T 23 CATAB v2.0f-lin.ifort 2020-Feb-23 09:14:31 2020-Feb-23 09:14
2128-Jan-10 13:11 00:03 Jupiter 1.67990980220136 1.67990918125708 1.67991042314554 2.04790955602984 1.78480230582798 2498305.049081717 2.86015609963356 95.5353986694904 18.7349242483899 -77.0094682149279 1729393.96602062 T 23 CATAB v2.0f-lin.ifort 2020-Feb-23 09:14:31 2020-Feb-23 09:14
2138-Feb-02 10:03 00:03 Jupiter 1.78811504863369 1.78811383954767 1.78811625771879 2.02721440086118 1.77825946034673 2501980.918666140 3.0899089427027 56.4059808123064 14.0630301189535 81.5796252162771 1464541.41431841 T 23 CATAB v2.0f-lin.ifort 2020-Feb-23 09:14:31 2020-Feb-23 09:14
2199-Aug-24 14:58 00:05 Jupiter 1.71757603229121 1.71757469828919 1.71757736629606 2.29640088043266 2.07054512758182 2524464.123830521 4.65457617081946 168.52142977365 4.6846018188711 -87.2303441124248 1733805.69613387 T 23 CATAB v2.0f-lin.ifort 2020-Feb-23 09:14:31 2020-Feb-23 09:14

Alternate Designations
 1997 WW33 = 1999 FB48 = 2001 NB3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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