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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
91822 (1999 TU277)
Classification: Main-belt Asteroid          SPK-ID: 2091822
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .132593508350736 4.4422e-08  
a 3.132073139032981 2.0505e-08 au
q 2.716780573117496 1.3577e-07 au
i 4.706497770500799 4.3357e-06 deg
node 216.1244965401338 5.2953e-05 deg
peri 304.7161129803878 5.5364e-05 deg
M 200.2572136465208 1.8789e-05 deg
tp 2460294.890237691776
(2023-Dec-16.39023769)
0.00010998 TDB
period 2024.632804722549
5.54
1.9882e-05
5.443e-08
d
yr
n .1778100202467744 1.7461e-09 deg/d
Q 3.547365704948466 2.3224e-08 au
  Orbit Determination Parameters
   # obs. used (total)      665  
   data-arc span      22233 days (60.87 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55296  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 02:02:48  

Additional Information
 Earth MOID = 1.72934 au 
 Jupiter MOID = 1.46763 au 
 T_jup = 3.194 
[ 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 14.91   n/a MPCxxxxx  
diameter diameter 5.750 km 1.549 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.085   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91822 (1999 TU277)          Discovered 1999-Oct-06 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 TU277 = 2002 GY19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-25 15:52 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin