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3899 Wichterle (1982 SN1)
Classification: Main-belt Asteroid          SPK-ID: 2003899
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1761632635378055 3.9189e-08  
a 3.190078957891183 1.6161e-08 au
q 2.62810423772579 1.2493e-07 au
i 2.81807945903713 3.9571e-06 deg
node 82.03297141367202 7.5937e-05 deg
peri 325.7818211031748 7.6672e-05 deg
M 234.9051338038683 1.3412e-05 deg
tp 2459923.665271188339
(2022-Dec-10.16527119)
8.1298e-05 TDB
period 2081.136544961208
5.70
1.5815e-05
4.33e-08
d
yr
n .1729824027508538 1.3145e-09 deg/d
Q 3.752053678056575 1.9008e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2758  
   data-arc span      26269 days (71.92 yr)  
   first obs. used      1948-10-10  
   last obs. used      2020-09-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4387  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:56:11  

Additional Information
 Earth MOID = 1.63789 au 
 Jupiter MOID = 1.63887 au 
 T_jup = 3.171 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457026.5 (2015-Jan-04.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1782085510763358 3.9065e-08  
q 2.619291869652547 1.2417e-07 au
tp 2457847.287532135454
(2017-Apr-03.78753214)
7.0297e-05 TDB
node 82.03815816460146 7.5915e-05 deg
peri 326.3083752130235 7.6633e-05 deg
i 2.819508088263407 3.9601e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2758  
   data-arc span      26269 days (71.92 yr)  
   first obs. used      1948-10-10  
   last obs. used      2020-09-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4387  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:56:11  

Additional Information
 Jupiter MOID = 1.63887 au 
 T_jup = 3.171 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.526092339328655E-15 -4.821955758863469E-15 3.307162963383378E-13 4.175260299429546E-15 4.80026451536521E-15 6.936552858572632E-17
q -4.821955758863469E-15 1.541749657207841E-14 -5.321330984594029E-13 -1.1579037176496E-14 4.864246439011379E-14 -2.561542050656777E-16
tp 3.307162963383378E-13 -5.321330984594029E-13 4.941711650989003E-9 8.310050838543518E-12 7.489595371394071E-10 -3.827092307862004E-13
node 4.175260299429546E-15 -1.1579037176496E-14 8.310050838543518E-12 5.763144123101701E-9 -5.754770595992044E-9 -5.537624077006435E-11
peri 4.80026451536521E-15 4.864246439011379E-14 7.489595371394071E-10 -5.754770595992044E-9 5.872600121033632E-9 5.523945309576123E-11
i 6.936552858572632E-17 -2.561542050656777E-16 -3.827092307862004E-13 -5.537624077006435E-11 5.523945309576123E-11 1.568218801994673E-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 11.56   n/a E2021B10  
diameter diameter 21.174 km 0.367 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 5.8572 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Owings, L.E. (2013) Minor Planet Bull. 40, 8-10.]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.094   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3899 Wichterle (1982 SN1)          Discovered 1982-Sep-17 by Mahrova, M. at Klet
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 SN1 = 1948 TF2 = 1949 YG = 1949 YW = 1951 GL1 = 1953 RX = 1954 YN = 1965 SQ = 1976 SZ = 1984 CB = 1985 FQ = 1987 OF1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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