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2259 Sofievka (1971 OG)
Classification: Main-belt Asteroid          SPK-ID: 2002259
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1857590641645293 3.5288e-08  
a 2.29380093537269 8.0494e-09 au
q 1.867706620238137 8.2629e-08 au
i 4.681223227901878 3.801e-06 deg
node 280.2705867773282 5.1731e-05 deg
peri 11.95735365437333 5.3225e-05 deg
M 31.0535797615491 1.5129e-05 deg
tp 2458891.043593520186
(2020-Feb-11.54359352)
5.3099e-05 TDB
period 1268.913491948649
3.47
6.6793e-06
1.829e-08
d
yr
n .283707283659782 1.4934e-09 deg/d
Q 2.719895250507243 9.5446e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2553  
   data-arc span      33322 days (91.23 yr)  
   first obs. used      1929-05-12  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46201  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:47:58  

Additional Information
 Earth MOID = .851793 au 
 Jupiter MOID = 2.46238 au 
 T_jup = 3.569 
[ 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 12.6   n/a MPO384769  
diameter diameter 17.208 km 0.195 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 31.6 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. (2006) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.039   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

2259 Sofievka (1971 OG)          Discovered 1971-Jul-19 by Burnasheva, B. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2073-Feb-02 05:59 < 00:01 Amphi 0.023975618258354 0.0239745032229057 0.023976733971626 4.68545901484701 4.68545896367281 2478240.749014745 0.327418340137942 249.321368841365 31.2747485677101 -79.2912710733788 112673.06601706 T 34 CATAB v2.0f-lin.ifort 2020-Aug-24 22:48:15 2020-Aug-24 22:48

Alternate Designations
 1971 OG = 1929 JM = 1936 KJ = 1956 AF = 1970 CJ = 1972 YC = 1972 YN1 = 1975 WE1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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