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JPL Small-Body Database Browser
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3402 Wisdom (1981 PB)
Classification: Mars-crossing Asteroid          SPK-ID: 2003402
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2797161856413874 4.2873e-08  
a 2.131888220928776 8.9429e-09 au
q 1.535564579556775 9.6196e-08 au
i 4.85198263788963 4.5999e-06 deg
node 357.8400332799103 4.4449e-05 deg
peri 303.7508325766992 4.5429e-05 deg
M 178.6327802273064 1.0964e-05 deg
tp 2458436.338131797778
(2018-Nov-13.83813180)
3.2443e-05 TDB
period 1136.959701877571
3.11
7.154e-06
1.959e-08
d
yr
n .3166339135903385 1.9923e-09 deg/d
Q 2.728211862300777 1.1444e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1350  
   data-arc span      15697 days (42.98 yr)  
   first obs. used      1977-02-11  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52932  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:46:08  

Additional Information
 Earth MOID = .527505 au 
 Jupiter MOID = 2.53188 au 
 T_jup = 3.665 
[ 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 15.0   n/a MPO250236  
diameter diameter 2.083 km 0.316 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 4.9951 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2006) http://www.asu.cas.cz/~ppravec/neo.htm]
[Pray, D.P.; Kusnirak, P.; Galad, A.; Vilagi, J.; et al. (2007) Minor Planet Bull. 34, 44-46.]
geometric albedo albedo 0.432   0.120 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

3402 Wisdom (1981 PB)          Discovered 1981-Aug-05 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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