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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456567.5 (2013-Oct-02.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0622205670054584 9.1741e-08  
q 2.379966814235258 2.3577e-07 au
tp 2456479.994816335246
(2013-Jul-06.49481634)
0.00013482 TDB
node 37.11149525492687 2.4451e-05 deg
peri 331.2852011935529 4.0796e-05 deg
i 9.069395739786039 6.1346e-06 deg
  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
 Jupiter MOID = 2.57722 au 
 T_jup = 3.426 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.416373598918768E-15 -2.160486159527693E-14 3.58430051730133E-12 1.360778082140875E-15 4.645594617467182E-13 9.306585745063972E-15
q -2.160486159527693E-14 5.558888939877801E-14 -9.387713308040159E-12 -3.741246454074528E-15 -1.236021763377613E-12 -2.334614663241092E-14
tp 3.58430051730133E-12 -9.387713308040159E-12 1.81771391248894E-8 -1.212676666508638E-11 4.372148623378229E-9 -5.957844423875566E-13
node 1.360778082140875E-15 -3.741246454074528E-15 -1.212676666508638E-11 5.978748099881044E-10 -5.92808991827006E-10 -3.763966254904057E-11
peri 4.645594617467182E-13 -1.236021763377613E-12 4.372148623378229E-9 -5.92808991827006E-10 1.66434176964019E-9 3.654039505047008E-11
i 9.306585745063972E-15 -2.334614663241092E-14 -5.957844423875566E-13 -3.763966254904057E-11 3.654039505047008E-11 3.763351014720288E-11

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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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