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 ]  
22876 (1999 RR198)
Classification: Main-belt Asteroid          SPK-ID: 2022876
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2117560281651716 3.7467e-08  
a 2.430364287651136 6.1466e-09 au
q 1.915719999103655 9.1114e-08 au
i 5.037281993746382 3.9796e-06 deg
node 201.8503969341618 3.8306e-05 deg
peri 165.5197522150394 3.9003e-05 deg
M 209.8370530334118 7.3067e-06 deg
tp 2459777.752431986542
(2022-Jul-17.25243199)
2.8841e-05 TDB
period 1383.902485354086
3.79
5.25e-06
1.437e-08
d
yr
n .260133935598714 9.8685e-10 deg/d
Q 2.945008576198617 7.4482e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1670  
   data-arc span      9808 days (26.85 yr)  
   first obs. used      1994-04-06  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49329  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:14:11  

Additional Information
 Earth MOID = .913721 au 
 Jupiter MOID = 2.52416 au 
 T_jup = 3.472 
[ 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 14.61   n/a E2021B10  

22876 (1999 RR198)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RR198 = 1998 HF81 = 1999 RZ19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-18 22:09 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin