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 ]  
72436 (2001 CH44)
Classification: Main-belt Asteroid          SPK-ID: 2072436
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1296222385411999 4.06e-08  
a 2.734374495700145 1.4381e-08 au
q 2.379938752557528 1.1179e-07 au
i 14.99660254804669 4.7513e-06 deg
node 53.89622413220471 1.4e-05 deg
peri 157.7142736149576 2.0365e-05 deg
M 137.4727924224336 1.4569e-05 deg
tp 2458765.833630955121
(2019-Oct-09.33363096)
6.5609e-05 TDB
period 1651.526013660189
4.52
1.3029e-05
3.567e-08
d
yr
n .2179802177031116 1.7197e-09 deg/d
Q 3.088810238842763 1.6246e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1006  
   data-arc span      8536 days (23.37 yr)  
   first obs. used      1997-05-03  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49993  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:02:03  

Additional Information
 Earth MOID = 1.37907 au 
 Jupiter MOID = 1.89817 au 
 T_jup = 3.292 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457155.5 (2015-May-13.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1278611433415209 4.0695e-08  
q 2.384955247029609 1.1162e-07 au
tp 2457111.483271065344
(2015-Mar-29.98327107)
6.4957e-05 TDB
node 54.02752859984805 1.3984e-05 deg
peri 157.3249029383296 2.0513e-05 deg
i 15.00497384917866 4.7528e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1006  
   data-arc span      8536 days (23.37 yr)  
   first obs. used      1997-05-03  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49993  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:02:03  

Additional Information
 Jupiter MOID = 1.89817 au 
 T_jup = 3.292 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.656116906025196E-15 -4.514735398445163E-15 2.692547018239893E-13 -5.424693485380193E-15 6.979881246609655E-14 -1.029154149898026E-15
q -4.514735398445163E-15 1.245990141510135E-14 -7.105721830624547E-13 1.575406061104447E-14 -1.856790035220062E-13 3.45770826883349E-15
tp 2.692547018239893E-13 -7.105721830624547E-13 4.219402683601926E-9 -4.170262255486272E-12 9.856030223393873E-10 9.402155575549054E-13
node -5.424693485380193E-15 1.575406061104447E-14 -4.170262255486272E-12 1.955649768749015E-10 -1.896817342336574E-10 -6.46935350904101E-12
peri 6.979881246609655E-14 -1.856790035220062E-13 9.856030223393873E-10 -1.896817342336574E-10 4.207997621154991E-10 6.555216151808431E-12
i -1.029154149898026E-15 3.45770826883349E-15 9.402155575549054E-13 -6.46935350904101E-12 6.555216151808431E-12 2.258912494669327E-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 14.71   n/a E2021B10  
diameter diameter 3.590 km 0.156 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.114   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

72436 (2001 CH44)          Discovered 2001-Feb-15 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2001 CH44 = 1997 JC16 = 1999 XC47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Aug-02 06:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin