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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09565228032435687 3.4891e-08  
a 2.899169155217189 1.096e-08 au
q 2.621857014474625 1.0123e-07 au
i 11.74960361294379 3.9025e-06 deg
node 261.4348153967852 2.011e-05 deg
peri 116.3780498295292 2.9662e-05 deg
M 98.38401256113205 2.149e-05 deg
tp 2458507.745282853189
(2019-Jan-24.24528285)
0.00010749 TDB
period 1803.054109656561
4.94
1.0225e-05
2.799e-08
d
yr
n .1996612292842235 1.1322e-09 deg/d
Q 3.176481295959753 1.2009e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2718  
   data-arc span      33334 days (91.26 yr)  
   first obs. used      1929-08-01  
   last obs. used      2020-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39623  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:58:41  

Additional Information
 Earth MOID = 1.65076 au 
 Jupiter MOID = 2.28588 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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