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 ]  
46322 (2001 QD99)
Classification: Main-belt Asteroid          SPK-ID: 2046322
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1569525719327955 3.9137e-08  
a 2.791311385232521 1.3745e-08 au
q 2.353207884254982 1.1357e-07 au
i 3.848840760816088 4.1901e-06 deg
node 332.251440882514 5.568e-05 deg
peri 12.46347093339342 5.704e-05 deg
M 34.33347303827554 1.2051e-05 deg
tp 2458838.047614236289
(2019-Dec-20.54761424)
5.6891e-05 TDB
period 1703.377307904104
4.66
1.2582e-05
3.445e-08
d
yr
n .2113448373002907 1.5611e-09 deg/d
Q 3.229414886210059 1.5903e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1516  
   data-arc span      15509 days (42.46 yr)  
   first obs. used      1977-07-21  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50787  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:25:51  

Additional Information
 Earth MOID = 1.34583 au 
 Jupiter MOID = 2.17554 au 
 T_jup = 3.308 
[ 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 14.1   n/a MPO502464  
diameter diameter 6.237 km 0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.135   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46322 (2001 QD99)          Discovered 2001-Aug-22 by LINEAR at Socorro
Reference: 20020822/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
2061-Dec-09 23:39 < 00:01 Juno 0.0181929615820282 0.0181859820470067 0.0181999441159821 7.51038662274594 7.51038653370694 2474168.485672532 0.739645553009618 508.161344421173 36.6539011276698 -46.9352327043236 54352.2140661753 T 27 CATAB v2.0f-lin.ifort 2020-Feb-23 08:25:59 2020-Feb-23 08:26

Alternate Designations
 2001 QD99 = 1996 RX2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-16 18:13 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin