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 ]  
101043 (1998 QP99)
Classification: Main-belt Asteroid          SPK-ID: 2101043
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .171679030270846 4.5276e-08  
a 2.373642195091336 7.5946e-09 au
q 1.966137604828093 1.1091e-07 au
i 3.138279226195989 3.4096e-06 deg
node 131.2693644033262 8.0759e-05 deg
peri 274.0218594066808 8.1637e-05 deg
M 353.2766238292978 1.0922e-05 deg
tp 2459225.446304383400
(2021-Jan-10.94630438)
4.0547e-05 TDB
period 1335.738080097063
3.66
6.4106e-06
1.755e-08
d
yr
n .2695139154630076 1.2935e-09 deg/d
Q 2.781146785354578 8.8984e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1053  
   data-arc span      10633 days (29.11 yr)  
   first obs. used      1991-12-03  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47714  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:56  

Additional Information
 Earth MOID = .9775 au 
 Jupiter MOID = 2.60814 au 
 T_jup = 3.521 
[ 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 15.98   n/a E2021B55  

101043 (1998 QP99)          Discovered 1998-Aug-26 by Elst, E. W. at La Silla
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
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-18 06:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin