Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
27767 (1991 TP)
Classification: Main-belt Asteroid          SPK-ID: 2027767
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1007300474388395 6.1969e-08  
a 3.073993017936161 3.5241e-08 AU
q 2.76434955541279 1.8891e-07 AU
i 14.02018411215735 7.7063e-06 deg
node 166.3779403641695 3.0378e-05 deg
peri 134.3770541054228 5.3666e-05 deg
M 174.8763127792671 4.2485e-05 deg
tp 2456044.228464010039
(2012-Apr-26.72846401)
0.00023122 JED
period 1968.57851978453
5.39
3.3852e-05
9.268e-08
d
yr
n .1828730712958322 3.1447e-09 deg/d
Q 3.383636480459532 3.879e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      705  
   data-arc span      8508 days (23.29 yr)  
   first obs. used      1991-09-12  
   last obs. used      2014-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5691  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 03:12:09  

Additional Information
 Earth MOID = 1.7708 AU 
 T_jup = 3.177 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.1 mag n/a MPO250478  

27767 (1991 TP)          Discovered 1991-Oct-01 by McNaught, R. H. at Siding Spring (413)
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 TP = 2001 WD103 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Feb-01 18:12 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin