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 ]  
295465 (2008 QQ1)
Classification: Main-belt Asteroid          SPK-ID: 2295465
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1185399303787033 1.0745e-07  
a 2.871621269588224 3.7644e-08 au
q 2.531219484217232 2.9674e-07 au
i 4.457990186753823 8.7949e-06 deg
node 16.31567591440314 8.6153e-05 deg
peri 334.7081379889681 9.0224e-05 deg
M 138.1774308877071 2.6353e-05 deg
tp 2458318.281044916202
(2018-Jul-18.78104492)
0.00012774 TDB
period 1777.416342541197
4.87
3.495e-05
9.569e-08
d
yr
n .2025411781042268 3.9827e-09 deg/d
Q 3.212023054959215 4.2107e-08 au
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      8329 days (22.80 yr)  
   first obs. used      1997-04-15  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58657  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:40:16  

Additional Information
 Earth MOID = 1.52647 au 
 Jupiter MOID = 2.20928 au 
 T_jup = 3.283 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457295.5 (2015-Sep-30.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1167983767528595 1.0755e-07  
q 2.539266234864928 2.9592e-07 au
tp 2456532.545248281337
(2013-Aug-28.04524828)
0.00013062 TDB
node 16.36693796885139 8.6248e-05 deg
peri 333.5043886715748 9.045e-05 deg
i 4.456286593246914 8.7863e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      8329 days (22.80 yr)  
   first obs. used      1997-04-15  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58657  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:40:16  

Additional Information
 Jupiter MOID = 2.20928 au 
 T_jup = 3.283 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.156739290741068E-14 -3.165656590717834E-14 -1.176660502284467E-12 -1.599495151953443E-14 -4.650444287120045E-13 8.949064642082489E-15
q -3.165656590717834E-14 8.756926316299401E-14 2.835090051349571E-12 4.319038238446924E-14 1.282665609486592E-12 -2.464339484899993E-14
tp -1.176660502284467E-12 2.835090051349571E-12 1.706048016092766E-8 2.278738811809402E-11 3.574108050630211E-9 -8.247714454600699E-12
node -1.599495151953443E-14 4.319038238446924E-14 2.278738811809402E-11 7.438633936395526E-9 -7.410840417446179E-9 -1.961754673349399E-10
peri -4.650444287120045E-13 1.282665609486592E-12 3.574108050630211E-9 -7.410840417446179E-9 8.18122931189036E-9 1.936340402988076E-10
i 8.949064642082489E-15 -2.464339484899993E-14 -8.247714454600699E-12 -1.961754673349399E-10 1.936340402988076E-10 7.719837351442908E-11

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 16.2   n/a MPO455184  

295465 (2008 QQ1)          Discovered 2008-Aug-23 by La Sagra at La Sagra
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ 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
2082-Nov-16 20:50 00:02 Inter 0.0198650041648288 0.019848620375364 0.0198814505681132 5.71106331538873 5.71106318635209 2481815.368385007 1.92744932409992 1943.19575903879 59.1988743960675 65.1556924056648 45536.3549850963 T 16 CATAB v2.0f-lin.ifort 2020-Feb-25 16:40:19 2020-Feb-25 16:40
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-18 07:06 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin