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JPL Small-Body Database Browser
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1249 Rutherfordia (1932 VB)
Classification: Main-belt Asteroid          SPK-ID: 2001249
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07633815335266857 3.0652e-08  
a 2.224063044770332 4.9149e-09 au
q 2.054282178992652 6.7368e-08 au
i 4.875658877795114 3.4695e-06 deg
node 258.9973186314907 4.0852e-05 deg
peri 223.1298082824568 4.7501e-05 deg
M 87.51329603717714 2.4136e-05 deg
tp 2458705.996399947595
(2019-Aug-10.49639995)
8.1074e-05 TDB
period 1211.48786321368
3.32
4.0158e-06
1.099e-08
d
yr
n .2971552674453032 9.85e-10 deg/d
Q 2.393843910548013 5.29e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2845  
   data-arc span      31952 days (87.48 yr)  
   first obs. used      1932-11-04  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41961  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:21:27  

Additional Information
 Earth MOID = 1.07331 au 
 Jupiter MOID = 2.66105 au 
 T_jup = 3.639 
[ 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 11.4   n/a MPO502165 IRAS observations used: 6
diameter diameter 13.063 km 0.097 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 18.242 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2001) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2004) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Kryszczynska, A.; Colas, F.; Polinska, M.; Hirsch, R.; et al. (2012) Astron. Astrophys. 546, A72.]
[Hanus, J.; Durech, J.; Broz, M.; Marciniak, A.; et al. (2013) Astron. Astrophys. 551, A67.]
[Aznar Macias, A.; Carreno Garcerain, A.; Arce Masego, E.; Brines Rodriques, P.; et al. (2016) Minor Planet Bull. 43, 257-263.]
[Behrend, R. (2018) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.251   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.883   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=5.96 deg.
U-B UB 0.484   0.032 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=5.96 deg.
Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 4 color indices

1249 Rutherfordia (1932 VB)          Discovered 1932-Nov-04 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1932 VB = 1925 SF = 1942 XV 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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