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 ]  
(2018 AR2)
Classification: Amor [NEO]          SPK-ID: 3797458
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458132.5 (2018-Jan-14.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3862738149379217 0.00091819  
a 1.660340235135356 0.0026049 au
q 1.018994278414696 7.4178e-05 au
i 10.1505586817555 0.018334 deg
node 109.8895920012356 0.00052249 deg
peri 352.7314279808025 0.00055529 deg
M 4.493874245897797 0.011211 deg
tp 2458122.745332291993
(2018-Jan-04.24533229)
0.001451 TDB
period 781.4371704077241
2.14
1.839
0.005035
d
yr
n .4606896288439488 0.0010842 deg/d
Q 2.301686191856015 0.0036111 au
  Orbit Determination Parameters
   # obs. used (total)      51  
   data-arc span      10 days  
   first obs. used      2018-01-12  
   last obs. used      2018-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      8  
   norm. resid. RMS      .29483  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Jan-22 06:52:43  

Additional Information
 Earth MOID = .037305 au 
 Jupiter MOID = 2.86971 au 
 T_jup = 4.160 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 25.5   n/a MPO431454  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-23 02:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin