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 ]  
160012 (1110 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2160012
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2223647229484842 5.3404e-08  
a 2.284238362493276 1.0043e-08 au
q 1.776304331869159 1.191e-07 au
i 3.43944660915834 5.6549e-06 deg
node 184.5418798343472 8.2761e-05 deg
peri 174.9095704068177 8.3472e-05 deg
M 243.8689599896895 1.1783e-05 deg
tp 2459607.276984931931
(2022-Jan-27.77698493)
4.2579e-05 TDB
period 1260.986852115452
3.45
8.3164e-06
2.277e-08
d
yr
n .2854906848521522 1.8829e-09 deg/d
Q 2.792172393117392 1.2277e-08 au
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      17014 days (46.58 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53557  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:59:33  

Additional Information
 Earth MOID = .771282 au 
 Jupiter MOID = 2.66273 au 
 T_jup = 3.568 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457039.5 (2015-Jan-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2224331645267004 5.35e-08  
q 1.776582787285724 1.1937e-07 au
tp 2457082.587012638140
(2015-Mar-01.08701264)
3.6734e-05 TDB
node 184.5707252349067 8.2828e-05 deg
peri 174.4996818157182 8.353e-05 deg
i 3.43605439947331 5.6557e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      283  
   data-arc span      17014 days (46.58 yr)  
   first obs. used      1973-09-19  
   last obs. used      2020-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53557  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:59:33  

Additional Information
 Jupiter MOID = 2.66273 au 
 T_jup = 3.568 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.862272563077537E-15 -6.374988428971737E-15 2.615270695690592E-13 2.034159568792421E-14 2.987108469150081E-14 9.721976507689105E-16
q -6.374988428971737E-15 1.425024886737238E-14 -5.528562816954844E-13 -4.455941876907805E-14 -5.973188976352258E-14 -2.090799757325981E-15
tp 2.615270695690592E-13 -5.528562816954844E-13 1.349374168981825E-9 3.958404938124616E-12 4.134795555243682E-10 6.064051066231207E-13
node 2.034159568792421E-14 -4.455941876907805E-14 3.958404938124616E-12 6.860539720214801E-9 -6.846878325037697E-9 -1.829700620943177E-11
peri 2.987108469150081E-14 -5.973188976352258E-14 4.134795555243682E-10 -6.846878325037697E-9 6.977228521723366E-9 1.83998813517932E-11
i 9.721976507689105E-16 -2.090799757325981E-15 6.064051066231207E-13 -1.829700620943177E-11 1.83998813517932E-11 3.198724145019717E-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 17.61   n/a E2021B55  

160012 (1110 T-2)          Discovered 1973-Sep-29 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20070630/Numbers.arcLast Updated: 2007-07-05

[ show close-approach data ]
Alternate Designations
 1110 T-2 = 2004 RW42 
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 02:13 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin