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 ]  
48929 (1998 PC)
Classification: Main-belt Asteroid          SPK-ID: 2048929
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1871872670901338 3.7287e-08  
a 2.337359490058627 9.0547e-09 au
q 1.899835554907364 9.0217e-08 au
i 7.978891211252375 4.7459e-06 deg
node 230.4209155541705 2.7001e-05 deg
peri 90.58613462176933 3.0303e-05 deg
M 40.66470503322179 1.3387e-05 deg
tp 2458853.064583249154
(2020-Jan-04.56458325)
4.8283e-05 TDB
period 1305.22894453415
3.57
7.5845e-06
2.077e-08
d
yr
n .275813681199422 1.6027e-09 deg/d
Q 2.77488342520989 1.075e-08 au
  Orbit Determination Parameters
   # obs. used (total)      959  
   data-arc span      7750 days (21.22 yr)  
   first obs. used      1998-06-30  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55301  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:15:49  

Additional Information
 Earth MOID = .907822 au 
 Jupiter MOID = 2.57572 au 
 T_jup = 3.530 
[ 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 15.2   n/a MPO436125  
diameter diameter 2.231 km 0.460 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.324   0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48929 (1998 PC)          Discovered 1998-Aug-02 by LONEOS at Anderson Mesa
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ 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
1988-Feb-03 12:36 < 00:01 Iris 0.0342705253361563 0.0342687385324402 0.0342723124200307 5.89534262151666 5.89534259306267 2447195.024722305 0.345272098137166 217.829259105023 56.0644438969399 -70.7957668273991 86679.1031900264 T 16 CATAB v2.0f-lin.ifort 2019-Sep-24 02:15:54 2019-Sep-24 02:15

Alternate Designations
 1998 PC = 2000 AL182 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-19 23:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin