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 ]  
100952 (1998 QR5)
Classification: Mars-crossing Asteroid          SPK-ID: 2100952
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3044482674280653 2.9611e-08  
a 2.31383751356964 7.9949e-09 au
q 1.6093936914533 6.88e-08 au
i 18.47337795244821 1.2294e-05 deg
node 318.2599892342148 1.2491e-05 deg
peri 100.0224758765322 4.478e-05 deg
M 79.05554694790958 3.352e-05 deg
tp 2458918.189155852541
(2020-Mar-09.68915585)		 0.0001195 TDB
period 1285.575874391855
3.52		 6.663e-06
1.824e-08		 d
yr
n .2800301461555499 1.4514e-09 deg/d
Q 3.018281335685979 1.0429e-08 au
   Orbit Determination Parameters
   # obs. used (total)      746  
   data-arc span      10373 days (28.40 yr)  
   first obs. used      1991-10-04  
   last obs. used      2020-02-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53956  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:31  

Additional Information
 Earth MOID = .734833 au 
 Jupiter MOID = 2.57961 au 
 T_jup = 3.454 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457263.5 (2015-Aug-29.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3039269206585398 2.8857e-08  
q 1.610897532216632 6.6697e-08 au
tp 2457630.850915501249
(2016-Aug-30.35091550)		 0.00011926 TDB
node 318.4517435560119 1.2462e-05 deg
peri 99.58678242316807 4.499e-05 deg
i 18.46881588334437 1.2294e-05 deg
   Orbit Determination Parameters
   # obs. used (total)      746  
   data-arc span      10373 days (28.40 yr)  
   first obs. used      1991-10-04  
   last obs. used      2020-02-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53956  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:31  

Additional Information
 Jupiter MOID = 2.57961 au 
 T_jup = 3.454 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.327551973191535E-16 -1.917741598123367E-15 1.153132448145913E-12 -6.968909580002496E-15 4.231278005577104E-13 2.789159917684831E-14
q -1.917741598123367E-15 4.448509010917005E-15 -2.497775732753652E-12 1.424364914794311E-14 -9.230613625671459E-13 -6.055435086931756E-14
tp 1.153132448145913E-12 -2.497775732753652E-12 1.422391756481345E-8 -1.296623244776579E-10 5.162127213809953E-9 2.49973561043874E-10
node -6.968909580002496E-15 1.424364914794311E-14 -1.296623244776579E-10 1.553056632480089E-10 -1.924759940233049E-10 6.177297398885792E-11
peri 4.231278005577104E-13 -9.230613625671459E-13 5.162127213809953E-9 -1.924759940233049E-10 2.024061102897282E-9 2.844494575147165E-11
i 2.789159917684831E-14 -6.055435086931756E-14 2.49973561043874E-10 6.177297398885792E-11 2.844494575147165E-11 1.511517309887185E-10

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.83   n/a E2021B55  

100952 (1998 QR5)          Discovered 1998-Aug-19 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-20 21:12 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin