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 ]  
49016 (1998 QJ77)
Classification: Main-belt Asteroid          SPK-ID: 2049016
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1838693103835006 3.9165e-08  
a 2.362432094051901 1.1139e-08 au
q 1.928053334090728 9.5039e-08 au
i 11.32326468216166 5.5682e-06 deg
node 279.2753421569946 2.9323e-05 deg
peri 336.2240223725161 3.4778e-05 deg
M 325.6047875165352 1.9262e-05 deg
tp 2458727.216428484818
(2019-Aug-31.71642848)
7.1052e-05 TDB
period 1326.286740530092
3.63
9.3803e-06
2.568e-08
d
yr
n .2714345163822678 1.9198e-09 deg/d
Q 2.796810854013073 1.3187e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1079  
   data-arc span      9074 days (24.84 yr)  
   first obs. used      1994-07-04  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51643  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:39:47  

Additional Information
 Earth MOID = .917725 au 
 Jupiter MOID = 2.30264 au 
 T_jup = 3.501 
[ 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 14.5   n/a MPO474369  
diameter diameter 5.503 km 1.367 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.092   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

49016 (1998 QJ77)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 QJ77 = 1994 NZ1 = 2000 AQ17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-21 00:29 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin