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JPL Small-Body Database Browser
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1207 Ostenia (1931 VT)
Classification: Main-belt Asteroid          SPK-ID: 2001207
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08731290657686315 3.5162e-08  
a 3.020198012820127 1.3746e-08 au
q 2.756495745883136 1.0713e-07 au
i 10.33930427956386 4.8975e-06 deg
node 20.00089007563376 2.3642e-05 deg
peri 46.25248385557512 3.779e-05 deg
M 311.414304795027 3.0262e-05 deg
tp 2459259.236365745290
(2021-Feb-13.73636575)
0.00016156 TDB
period 1917.129955130712
5.25
1.3089e-05
3.584e-08
d
yr
n .1877806974099754 1.282e-09 deg/d
Q 3.283900279757119 1.4947e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2332  
   data-arc span      32194 days (88.14 yr)  
   first obs. used      1931-11-15  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44453  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 17:54:45  

Additional Information
 Earth MOID = 1.78048 au 
 Jupiter MOID = 2.04171 au 
 T_jup = 3.216 
[ 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 10.8   n/a MPO448923  
diameter diameter 21.925 km 0.632 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 9.073 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2006) Minor Planet Bull. 33, 58-62.]
[Durech, J.; Kaasalainen, M.; Warner, B.D.; Fauerbach, M.; et al. (2009) Astron. Astrophys. 493, 291-297.]
[Hanus, J.; Durech, J.; Broz, M.; Warner, B.D.; et al. (2011) Astron. Astrophys. 530, A134.]
[Hanus, J.; Delbo, M.; Ali-Lagoa, V.; Bolin, B.; et al. (2016) Astron. Astrophys., submitted.]
[Hanus, J.; Delbo, M.; Ali-Lagoa, V.; Bolin, B.; et al. (2018) Icarus 299, 84-96.]
geometric albedo albedo 0.176   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1207 Ostenia (1931 VT)          Discovered 1931-Nov-15 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1931 VT = 1959 EF1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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