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4919 Vishnevskaya (1974 SR1)
Classification: Main-belt Asteroid          SPK-ID: 2004919
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2425911109628711 3.7809e-08  
a 2.270668618922864 7.7592e-09 au
q 1.719824596029838 8.7289e-08 au
i 5.01245856095987 4.3147e-06 deg
node 350.1227783782015 3.7048e-05 deg
peri 327.3280797490311 3.7793e-05 deg
M 153.559626038329 7.353e-06 deg
tp 2458467.406227921841
(2018-Dec-14.90622792)
2.4985e-05 TDB
period 1249.767031213236
3.42
6.406e-06
1.754e-08
d
yr
n .2880536860142029 1.4765e-09 deg/d
Q 2.82151264181589 9.6416e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1917  
   data-arc span      31516 days (86.29 yr)  
   first obs. used      1933-10-19  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47136  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:25:18  

Additional Information
 Earth MOID = .709374 au 
 Jupiter MOID = 2.49698 au 
 T_jup = 3.568 
[ 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 13.8   n/a MPO435745  
diameter diameter 2.950 km 0.321 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 3.634 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2015) http://www.asu.cas.cz/~ppravec/neo.htm]
[Benishek, V. (2016) Minor Planet Bull. 43, 339-342.]
geometric albedo albedo 0.409   0.142 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4919 Vishnevskaya (1974 SR1)          Discovered 1974-Sep-19 by Chernykh, L. I. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1974 SR1 = 1933 UG1 = 1981 SM7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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