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3238 Timresovia (1975 VB9)
Classification: Main-belt Asteroid          SPK-ID: 2003238
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1849499739652402 1.4659e-08  
a 2.664987486990436 9.5732e-09 au
q 2.172098120653864 3.8127e-08 au
i 11.72629350688559 3.0715e-07 deg
node 11.19362967127623 3.3234e-06 deg
peri 44.89499198575422 5.6628e-06 deg
M 128.5158898751614 5.1269e-06 deg
tp 2458633.222556531395
(2019-May-29.72255653)
2.1101e-05 TDB
period 1589.063265616994
4.35
8.5624e-06
2.344e-08
d
yr
n .2265485634143212 1.2207e-09 deg/d
Q 3.157876853327008 1.1344e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2557  
   data-arc span      24627 days (67.43 yr)  
   first obs. used      1953-10-08  
   last obs. used      2021-03-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41509  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:52:17  

Additional Information
 Earth MOID = 1.19823 au 
 Jupiter MOID = 2.32386 au 
 T_jup = 3.330 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.41   n/a E2021B10  
diameter diameter 12.699 km 0.204 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 32.4941 h n/a LCDB (Rev. 2020-October); 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:
[McNeill, A.; Mommert, M.; Trilling, D.E.; Llama, J.; Skiff, B. (2019) Ap. J. Suppl. Series 245, id.29.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.031   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

3238 Timresovia (1975 VB9)          Discovered 1975-Nov-08 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1975 VB9 = 1953 TP1 = 1977 EF2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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