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 ]  
160142 (2001 DG101)
Classification: Main-belt Asteroid          SPK-ID: 2160142
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2009088263057312 5.4657e-08  
a 2.536333836965656 2.3072e-08 au
q 2.026761982661374 1.4187e-07 au
i 12.89983830739056 6.0297e-06 deg
node 48.48708123689943 2.6347e-05 deg
peri 323.1549331718707 3.3483e-05 deg
M 12.66630807503619 2.5361e-05 deg
tp 2458948.589454050142
(2020-Apr-09.08945405)
0.0001038 TDB
period 1475.394126784282
4.04
2.0132e-05
5.512e-08
d
yr
n .2440025979936924 3.3294e-09 deg/d
Q 3.045905691269938 2.7708e-08 au
  Orbit Determination Parameters
   # obs. used (total)      564  
   data-arc span      7754 days (21.23 yr)  
   first obs. used      1998-04-19  
   last obs. used      2019-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55971  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 20:30:00  

Additional Information
 Earth MOID = 1.04375 au 
 Jupiter MOID = 2.44554 au 
 T_jup = 3.385 
[ 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 15.1   n/a MPO439949  
diameter diameter 4.975 km 0.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160142 (2001 DG101)          Discovered 2001-Feb-16 by LINEAR at Socorro
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

[ show close-approach data ]
Alternate Designations
 2001 DG101 = 1998 HW3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-11 05:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin