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1149 Volga (1929 PF)
Classification: Main-belt Asteroid          SPK-ID: 2001149
[ 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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09581883513095535 3.4651e-08  
a 2.898857452183779 1.0507e-08 au
q 2.62109230790484 1.0015e-07 au
i 11.74898758403711 3.6331e-06 deg
node 261.4288372541913 2.0107e-05 deg
peri 116.3581931273891 2.8575e-05 deg
M 138.3313149681598 2.0643e-05 deg
tp 2458507.781603403355
(2019-Jan-24.28160340)		 0.00010281 TDB
period 1802.76333549054
4.94		 9.8008e-06
2.683e-08		 d
yr
n .1996934333602044 1.0856e-09 deg/d
Q 3.176622596462718 1.1513e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2924  
   data-arc span      33410 days (91.47 yr)  
   first obs. used      1929-08-01  
   last obs. used      2021-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38447  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:53:00  

Additional Information
 Earth MOID = 1.64877 au 
 Jupiter MOID = 2.28683 au 
 T_jup = 3.250 
[ 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 10.5   n/a MPO502164 IRAS observations used: 22
diameter diameter 52.377 km 0.365 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 27.262 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Binzel, R.P. (1987) Icarus 72, 135-208.]
[Polakis, T. (2019) Minor Planet Bull. 46, 78-80.]
[Polakis, T. (2020) Minor Planet Bull. 47, 177-186.]
geometric albedo albedo 0.038   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.690   0.020 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=6.12 deg.
U-B UB 0.250   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=6.12 deg.

1149 Volga (1929 PF)          Discovered 1929-Aug-01 by Skvortsov, E. at Simeis
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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