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JPL Small-Body Database Browser
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48816 (1997 WP3)
Classification: Main-belt Asteroid          SPK-ID: 2048816
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06381343204568908 9.2165e-08  
a 2.538601873939501 1.2533e-08 au
q 2.376604975765803 2.3784e-07 au
i 9.068029841846649 6.1357e-06 deg
node 36.99323521592829 2.4455e-05 deg
peri 331.052428117904 4.0044e-05 deg
M 254.6234523698949 3.1413e-05 deg
tp 2459432.945902624117
(2021-Aug-06.44590262)
0.00012878 TDB
period 1477.373556506662
4.04
1.0941e-05
2.995e-08
d
yr
n .2436756759415957 1.8045e-09 deg/d
Q 2.700598772113198 1.3333e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1383  
   data-arc span      14599 days (39.97 yr)  
   first obs. used      1979-05-19  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49474  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:39:22  

Additional Information
 Earth MOID = 1.38112 au 
 Jupiter MOID = 2.57722 au 
 T_jup = 3.426 
[ 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 14.3   n/a MPO474367  
diameter diameter 3.734 km 0.230 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.420   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48816 (1997 WP3)          Discovered 1997-Nov-19 by BAO Schmidt CCD Asteroid Program at Xinglong
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
2036-May-08 13:21 00:01 Thisb 0.0470758091700841 0.0470735468370161 0.047078072097989 4.60891412471655 4.60891409329133 2464822.056028425 1.04744646366421 337.838210484042 63.1916038581967 -73.6504278581723 107053.930246924 T 27 CATAB v2.0e-lin.ifort 2019-May-30 04:39:31 2019-May-30 04:39
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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