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 ]  
70168 (1999 NG61)
Classification: Main-belt Asteroid          SPK-ID: 2070168
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1818008327479559 3.0858e-08  
a 2.25635665314987 6.8254e-09 au
q 1.846149134630833 7.1695e-08 au
i 7.206262548359438 3.9614e-06 deg
node 188.4332382118993 2.4869e-05 deg
peri 96.9975725700301 2.7886e-05 deg
M 64.00851017931633 1.0915e-05 deg
tp 2458780.387215947033
(2019-Oct-23.88721595)
3.7512e-05 TDB
period 1237.969795533122
3.39
5.6173e-06
1.538e-08
d
yr
n .2907986941999411 1.3195e-09 deg/d
Q 2.666564171668907 8.0663e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1312  
   data-arc span      7748 days (21.21 yr)  
   first obs. used      1999-05-16  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54565  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 06:25:59  

Additional Information
 Earth MOID = .847107 au 
 Jupiter MOID = 2.51649 au 
 T_jup = 3.591 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456879.5 (2014-Aug-10.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .181951452241491 3.0847e-08  
q 1.846377198402238 7.1613e-08 au
tp 2456302.822163602291
(2013-Jan-10.32216360)
3.8925e-05 TDB
node 188.5338367443157 2.4903e-05 deg
peri 96.78331590324282 2.7892e-05 deg
i 7.199965354032732 3.9587e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1312  
   data-arc span      7748 days (21.21 yr)  
   first obs. used      1999-05-16  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54565  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 06:25:59  

Additional Information
 Jupiter MOID = 2.51649 au 
 T_jup = 3.591 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.515532324528398E-16 -2.203124085031466E-15 2.985297257790812E-13 1.152847057467945E-15 1.188360667828875E-13 -1.074404597959365E-15
q -2.203124085031466E-15 5.128451543000402E-15 -7.290077435709442E-13 -2.855979330273095E-15 -2.821914847640854E-13 2.537150445794749E-15
tp 2.985297257790812E-13 -7.290077435709442E-13 1.515146423986614E-9 -1.520345734636655E-11 4.937346469428797E-10 1.136155021794656E-12
node 1.152847057467945E-15 -2.855979330273095E-15 -1.520345734636655E-11 6.20166255181427E-10 -6.195346320912926E-10 -2.95231988980685E-12
peri 1.188360667828875E-13 -2.821914847640854E-13 4.937346469428797E-10 -6.195346320912926E-10 7.779692013099399E-10 3.264816304436919E-12
i -1.074404597959365E-15 2.537150445794749E-15 1.136155021794656E-12 -2.95231988980685E-12 3.264816304436919E-12 1.567159791275028E-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 15.4   n/a MPO474581  

70168 (1999 NG61)          Discovered 1999-Jul-13 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 NG61 = 1999 RH99 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-26 05:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin