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 ]  
74571 (1999 NQ8)
Classification: Main-belt Asteroid          SPK-ID: 2074571
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 .1554906890262054 4.7205e-08  
a 2.281591752290704 6.5127e-09 au
q 1.926825478650515 1.0604e-07 au
i 4.460464215812124 2.9438e-06 deg
node 289.6205398385029 6.7426e-05 deg
peri 48.97345748777009 6.8573e-05 deg
M 357.9162030444488 1.3884e-05 deg
tp 2459007.786319866198
(2020-Jun-07.28631987)
4.8556e-05 TDB
period 1258.795942111083
3.45
5.3897e-06
1.476e-08
d
yr
n .285987575870523 1.2245e-09 deg/d
Q 2.636358025930893 7.5253e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1230  
   data-arc span      7798 days (21.35 yr)  
   first obs. used      1999-07-13  
   last obs. used      2020-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4951  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:00:55  

Additional Information
 Earth MOID = .920971 au 
 Jupiter MOID = 2.73207 au 
 T_jup = 3.585 
[ 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 15.6   n/a MPO333435  

74571 (1999 NQ8)          Discovered 1999-Jul-13 by LINEAR at Socorro
Reference: 20040415/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
2128-Jun-19 22:41 00:05 Eunom 0.0233463305119253 0.0233361267679655 0.0233565360610927 3.03326204207976 3.0332618438516 2498466.444877133 5.01586827634951 602.417248858794 28.6432995103724 -32.5503952867317 65664.9885107589 T 22 CATAB v2.0f-lin.ifort 2020-Dec-17 22:00:58 2020-Dec-17 22:00

Alternate Designations
 1999 NQ8 = 2001 BB25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-18 14:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin