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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09565227979262618 3.5039e-08  
a 2.899169155483776 1.1008e-08 au
q 2.621857016257291 1.0174e-07 au
i 11.74960363312319 3.9171e-06 deg
node 261.4348151912203 2.0148e-05 deg
peri 116.3780493295425 2.9734e-05 deg
M 98.38401308816481 2.1522e-05 deg
tp 2458507.745280145589
(2019-Jan-24.24528015)
0.00010766 TDB
period 1803.054109905255
4.94
1.027e-05
2.812e-08
d
yr
n .1996612292566843 1.1372e-09 deg/d
Q 3.176481294710262 1.2061e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2663  
   data-arc span      33139 days (90.73 yr)  
   first obs. used      1929-08-01  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39957  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:19:43  

Additional Information
 Earth MOID = 1.65076 au 
 Jupiter MOID = 2.28588 au 
 T_jup = 3.250 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456026.5 (2012-Apr-09.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09363791243038389 3.4853e-08  
q 2.628499476674169 1.0089e-07 au
tp 2456695.143440971940
(2014-Feb-06.64344097)
0.00011097 TDB
node 261.7029586572988 2.014e-05 deg
peri 114.3288848949484 3.0202e-05 deg
i 11.74899257298429 3.9182e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2663  
   data-arc span      33139 days (90.73 yr)  
   first obs. used      1929-08-01  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39957  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:19:43  

Additional Information
 Jupiter MOID = 2.28588 au 
 T_jup = 3.250 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.214698667224206E-15 -3.499305682595047E-15 -4.770986154231295E-13 5.55066779345747E-15 -8.87656833340914E-14 -1.386023137947928E-15
q -3.499305682595047E-15 1.017904671593544E-14 1.361364797383911E-12 -1.783772071605407E-14 2.456829512161803E-13 4.370580486637809E-15
tp -4.770986154231295E-13 1.361364797383911E-12 1.231345835675479E-8 -1.343836954238752E-11 2.518357896387636E-9 8.208655015238593E-12
node 5.55066779345747E-15 -1.783772071605407E-14 -1.343836954238752E-11 4.056171948552328E-10 -3.993948550244249E-10 6.335241381752992E-12
peri -8.87656833340914E-14 2.456829512161803E-13 2.518357896387636E-9 -3.993948550244249E-10 9.121597056727471E-10 -4.667248965044855E-12
i -1.386023137947928E-15 4.370580486637809E-15 8.208655015238593E-12 6.335241381752992E-12 -4.667248965044855E-12 1.535211890630889E-11

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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