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 ]  
48454 (1991 PP12)
Classification: Main-belt Asteroid          SPK-ID: 2048454
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2423450344693152 5.0494e-08  
a 2.342369433097323 1.1732e-08 au
q 1.774707832093482 1.2399e-07 au
i 1.862149597850394 5.2479e-06 deg
node 309.6952652070042 0.00013423 deg
peri 71.06636192760404 0.00013476 deg
M 229.189000141244 1.4996e-05 deg
tp 2459076.298731017129
(2020-Aug-14.79873102)
5.7221e-05 TDB
period 1309.427673139991
3.59
9.8373e-06
2.693e-08
d
yr
n .2749292743574944 2.0655e-09 deg/d
Q 2.910031034101165 1.4575e-08 au
  Orbit Determination Parameters
   # obs. used (total)      824  
   data-arc span      10139 days (27.76 yr)  
   first obs. used      1991-08-05  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59569  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:38:25  

Additional Information
 Earth MOID = .777711 au 
 Jupiter MOID = 2.55484 au 
 T_jup = 3.523 
[ 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 15.6   n/a MPO436121  

48454 (1991 PP12)          Discovered 1991-Aug-05 by Holt, H. E. at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 PP12 = 1998 MO47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin