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 ]  
13616 (1994 XQ4)
Classification: Main-belt Asteroid          SPK-ID: 2013616
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1186484698449509 3.4685e-08  
a 2.749577339472753 1.2447e-08 au
q 2.423344195423959 9.8339e-08 au
i 4.132737825145617 3.5864e-06 deg
node 77.59876949337244 5.5638e-05 deg
peri 312.4550602954798 5.8208e-05 deg
M 267.0814794125664 1.88e-05 deg
tp 2459430.330394593695
(2021-Aug-03.83039459)
8.8395e-05 TDB
period 1665.318615443573
4.56
1.1308e-05
3.096e-08
d
yr
n .216174848861646 1.4679e-09 deg/d
Q 3.075810483521546 1.3924e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1454  
   data-arc span      9444 days (25.86 yr)  
   first obs. used      1994-12-07  
   last obs. used      2020-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5146  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:45:11  

Additional Information
 Earth MOID = 1.4312 au 
 Jupiter MOID = 2.35014 au 
 T_jup = 3.332 
[ 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 14.2   n/a MPO449045  
diameter diameter 6.018 km 0.266 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.147   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13616 (1994 XQ4)          Discovered 1994-Dec-07 by Kobayashi, T. at Oizumi
Reference: 20000222/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
1925-Apr-03 13:50 00:02 Amphi 0.0329560209871229 0.0329514615326005 0.0329605843962987 2.36061204433142 2.36061197043666 2424244.076353479 2.32581864268968 616.795153637032 29.8077644888133 68.5573383767062 153750.668106714 T 22 CATAB v2.0f-lin.ifort 2020-Nov-13 02:45:16 2020-Nov-13 02:45

Alternate Designations
 1994 XQ4 = 1998 SF65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Dec-03 22:54 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin