Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1856328535296108 1.5998e-08  
a 2.293600810390778 5.7792e-09 au
q 1.86783314710011 3.6674e-08 au
i 4.681224276062347 6.1114e-07 deg
node 280.2705988663163 4.6269e-06 deg
peri 11.95253297962224 5.2419e-06 deg
M 87.81618959553678 2.4644e-06 deg
tp 2458891.009541048228
(2020-Feb-11.50954105)
8.1861e-06 TDB
period 1268.747434109811
3.47
4.7953e-06
1.313e-08
d
yr
n .2837444162025725 1.0724e-09 deg/d
Q 2.719368473681445 6.852e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3146  
   data-arc span      33540 days (91.83 yr)  
   first obs. used      1929-05-12  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .42527  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 13:33:03  

Additional Information
 Earth MOID = .849963 au 
 Jupiter MOID = 2.46213 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 12.63   n/a E2021B10  
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. 2020-October); 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

[ show close-approach data ]
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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-14 09:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin