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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
6172 Prokofeana (1982 TX)
Classification: Mars-crossing Asteroid          SPK-ID: 2006172
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4381054330564347 5.1994e-08  
a 2.570215668401291 1.5702e-08 au
q 1.44419021994791 1.4068e-07 au
i 15.88623509537936 4.3469e-06 deg
node 218.5086950720359 1.4418e-05 deg
peri 194.1898072383998 1.5415e-05 deg
M 289.5279478702797 6.8826e-06 deg
tp 2458895.123371153105
(2020-Feb-15.62337115)
3.1099e-05 TDB
period 1505.056407607959
4.12
1.3792e-05
3.776e-08
d
yr
n .2391936927946515 2.192e-09 deg/d
Q 3.696241116854673 2.2582e-08 au
  Orbit Determination Parameters
   # obs. used (total)      983  
   data-arc span      24224 days (66.32 yr)  
   first obs. used      1953-08-11  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44429  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 22:09:19  

Additional Information
 Earth MOID = .458414 au 
 Jupiter MOID = 1.71566 au 
 T_jup = 3.240 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457477.5 (2016-Mar-30.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4346812877101653 5.1329e-08  
q 1.455126250388266 1.3853e-07 au
tp 2457383.476884683530
(2015-Dec-26.97688468)
2.1145e-05 TDB
node 218.5997725985615 1.4416e-05 deg
peri 193.6269997708777 1.5473e-05 deg
i 15.85700009192906 4.3496e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      983  
   data-arc span      24224 days (66.32 yr)  
   first obs. used      1953-08-11  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44429  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 22:09:19  

Additional Information
 Jupiter MOID = 1.71566 au 
 T_jup = 3.240 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.634703701385962E-15 -7.104728469881482E-15 -5.985404779558484E-13 5.544779486914409E-14 -7.092529241404408E-14 -2.862473336477567E-14
q -7.104728469881482E-15 1.918992281903466E-14 1.660988743572029E-12 -1.494801133429334E-13 2.048497249040291E-13 7.884104469512722E-14
tp -5.985404779558484E-13 1.660988743572029E-12 4.470965516397188E-10 -1.72953572165981E-11 1.248759955809034E-10 1.198670615717771E-11
node 5.544779486914409E-14 -1.494801133429334E-13 -1.72953572165981E-11 2.078350430423186E-10 -2.013235622049095E-10 -5.547121163665286E-12
peri -7.092529241404408E-14 2.048497249040291E-13 1.248759955809034E-10 -2.013235622049095E-10 2.394243455524937E-10 7.292305089449533E-12
i -2.862473336477567E-14 7.884104469512722E-14 1.198670615717771E-11 -5.547121163665286E-12 7.292305089449533E-12 1.89187009561784E-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 15.2   n/a MPO445314  
rotation period rot_per 6.540 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Melton, E.; Carver, S.; Harris, A.; Karnemaat, R.; et al. (2012) Minor Planet Bull. 39, 131-133.]

6172 Prokofeana (1982 TX)          Discovered 1982-Oct-14 by Karachkina, L. G. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1982 TX = 2012 AF11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-22 23:37 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin