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JPL Small-Body Database Browser
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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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09565228305912701 3.6583e-08  
a 2.899169154845968 1.1297e-08 au
q 2.621857006210352 1.0689e-07 au
i 11.74960395510981 3.9341e-06 deg
node 261.4348112088408 2.0736e-05 deg
peri 116.3780529889978 3.0169e-05 deg
M 98.38401373283202 2.1605e-05 deg
tp 2458507.745277079391
(2019-Jan-24.24527708)		 0.00010803 TDB
period 1803.054109310256
4.94		 1.0538e-05
2.885e-08		 d
yr
n .1996612293225716 1.167e-09 deg/d
Q 3.176481303481585 1.2377e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2533  
   data-arc span      33029 days (90.43 yr)  
   first obs. used      1929-08-01  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40894  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 17:52:27  

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. 2019-August); Warner et al., 2009 Published Reference List:
[Binzel, R.P. (1987) Icarus 72, 135-208.]
[Polakis, T. (2019) Minor Planet Bull. 46, 78-80.]
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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