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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
(2021 RG12)
Classification: Apollo [NEO]          SPK-ID: 54195882
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04783541983065973 1.0843e-05  
a 1.059133855389295 1.3719e-05 au
q 1.008469742759883 1.6377e-06 au
i 4.63127583322184 0.0015854 deg
node 350.1636638379795 0.00088349 deg
peri 353.2510585432003 0.012891 deg
M 299.2279742883126 0.009777 deg
tp 2459463.708764966486
(2021-Sep-06.20876497)
0.012066 TDB
period 398.1298155621953
1.09
0.0077357
2.118e-05
d
yr
n .9042276813447077 1.7569e-05 deg/d
Q 1.109797968018708 1.4376e-05 au
  Orbit Determination Parameters
   # obs. used (total)      65  
   data-arc span      1 day  
   first obs. used      2021-09-12  
   last obs. used      2021-09-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      5  
   norm. resid. RMS      .3486  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Sep-14 06:55:47  

Additional Information
 Earth MOID = .00228072 au 
 Jupiter MOID = 3.93898 au 
 T_jup = 5.811 
[ 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 29.198   .34924 2 autocmod 2.9e

[ 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 2021-Sep-17 11:18 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin