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 ]  
43867 (1994 PO28)
Classification: Main-belt Asteroid          SPK-ID: 2043867
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1664638014667461 4.4751e-08  
a 2.526629726568052 1.016e-08 au
q 2.106037337384649 1.1309e-07 au
i 1.886078590316804 3.2145e-06 deg
node 35.47926315846819 0.00018427 deg
peri 322.1145600401449 0.00018478 deg
M 181.1118760028955 1.607e-05 deg
tp 2459929.436736191267
(2022-Dec-15.93673619)
6.707e-05 TDB
period 1466.934859427023
4.02
8.8479e-06
2.422e-08
d
yr
n .2454096701612328 1.4802e-09 deg/d
Q 2.947222115751456 1.1851e-08 au
  Orbit Determination Parameters
   # obs. used (total)      794  
   data-arc span      11169 days (30.58 yr)  
   first obs. used      1990-08-24  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55445  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:27:36  

Additional Information
 Earth MOID = 1.10079 au 
 Jupiter MOID = 2.49721 au 
 T_jup = 3.433 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO452772  
rotation period rot_per 5.434 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

43867 (1994 PO28)          Discovered 1994-Aug-12 by Elst, E. W. at La Silla
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1994 PO28 = 1990 QG19 = 1998 QN23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-13 22:17 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin