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 ]  
101616 (1999 CL9)
Classification: Main-belt Asteroid          SPK-ID: 2101616
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1555239391343302 5.549e-08  
a 2.659303330573842 1.2857e-08 au
q 2.245718001249954 1.4695e-07 au
i 11.65940159427077 5.5064e-06 deg
node 10.63693884938338 1.941e-05 deg
peri 171.2868305930572 2.3137e-05 deg
M 344.4395805179058 1.2908e-05 deg
tp 2459268.965067864808
(2021-Feb-23.46506786)
5.6912e-05 TDB
period 1583.982003807363
4.34
1.1487e-05
3.145e-08
d
yr
n .2272753094004101 1.6482e-09 deg/d
Q 3.072888659897729 1.4857e-08 au
  Orbit Determination Parameters
   # obs. used (total)      856  
   data-arc span      8069 days (22.09 yr)  
   first obs. used      1999-02-10  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52087  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:37:40  

Additional Information
 Earth MOID = 1.24816 au 
 Jupiter MOID = 1.88364 au 
 T_jup = 3.340 
[ 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 14.82   n/a E2021B55  

101616 (1999 CL9)          Discovered 1999-Feb-12 by Urata, T. at Oohira
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 CL9 = 2001 RX87 
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-19 22:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin