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 ]  
1698 Christophe (1934 CS)
Classification: Main-belt Asteroid          SPK-ID: 2001698
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 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .103939423949574 3.2106e-08  
a 3.172691775967996 1.3929e-08 au
q 2.842924020404331 1.0318e-07 au
i 1.493201962521507 3.7488e-06 deg
node 26.80069795347997 0.00011583 deg
peri 131.7904758875616 0.00011684 deg
M 151.3658837157952 1.5435e-05 deg
tp 2458332.607868169112
(2018-Aug-02.10786817)
8.9456e-05 TDB
period 2064.145233979935
5.65
1.3594e-05
3.722e-08
d
yr
n .1744063324971926 1.1486e-09 deg/d
Q 3.50245953153166 1.5377e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3216  
   data-arc span      31709 days (86.81 yr)  
   first obs. used      1934-02-10  
   last obs. used      2020-12-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4292  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:48:56  

Additional Information
 Earth MOID = 1.85196 au 
 Jupiter MOID = 1.47725 au 
 T_jup = 3.193 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456111.5 (2012-Jul-03.0) TDB
Reference: JPL 47 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1010391032279301 3.1144e-08  
q 2.845564852313141 9.8271e-08 au
tp 2456256.338776885732
(2012-Nov-24.83877689)
9.6036e-05 TDB
node 27.25559734232126 0.00011536 deg
peri 128.4494328682976 0.00011654 deg
i 1.497502829239012 3.7542e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      3216  
   data-arc span      31709 days (86.81 yr)  
   first obs. used      1934-02-10  
   last obs. used      2020-12-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4292  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:48:56  

Additional Information
 Jupiter MOID = 1.47725 au 
 T_jup = 3.193 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.699714713599035E-16 -3.042045401819156E-15 5.9384836687521E-13 -2.248899664642412E-15 1.179879316606548E-13 -1.13304131896271E-16
q -3.042045401819156E-15 9.65713671703373E-15 -2.073824048516797E-12 -3.644791443295803E-17 -4.019433435389254E-13 2.161017218445378E-16
tp 5.9384836687521E-13 -2.073824048516797E-12 9.222913604892462E-9 4.297440373503724E-12 1.592257143998147E-9 -8.633606602077265E-14
node -2.248899664642412E-15 -3.644791443295803E-17 4.297440373503724E-12 1.330832860397435E-8 -1.330379850982822E-8 -3.572330588220778E-11
peri 1.179879316606548E-13 -4.019433435389254E-13 1.592257143998147E-9 -1.330379850982822E-8 1.358123480116214E-8 3.567428362001126E-11
i -1.13304131896271E-16 2.161017218445378E-16 -8.633606602077265E-14 -3.572330588220778E-11 3.567428362001126E-11 1.409371209012584E-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 11.42   n/a E2021B10  
diameter diameter 26.234 km 0.179 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.085   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

1698 Christophe (1934 CS)          Discovered 1934-Feb-10 by Delporte, E. at Uccle
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1934 CS = 1935 HA = 1940 FC = 1951 EH1 = 1962 AD = 1965 UE1 = 1973 CC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-06 11:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin