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 ]  
(2012 UK171)
Classification: Aten [NEO]          SPK-ID: 3615463
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2219632938650463 1.9907e-07  
a .8592361599713606 5.2265e-09 au
q .6685172716961636 1.7507e-07 au
i 1.331279576150581 3.8084e-06 deg
node 250.8304135557796 6.6298e-05 deg
peri 357.8579464995133 7.5593e-05 deg
M 319.1035838131038 5.3616e-05 deg
tp 2459033.548366345233
(2020-Jul-03.04836634)
4.3036e-05 TDB
period 290.9157572612918
0.80
2.6543e-06
7.267e-09
d
yr
n 1.237471642612534 1.1291e-08 deg/d
Q 1.049955048246558 6.3866e-09 au
  Orbit Determination Parameters
   # obs. used (total)      207  
   data-arc span      1506 days (4.12 yr)  
   first obs. used      2012-10-25  
   last obs. used      2016-12-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42171  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-10 07:05:05  

Additional Information
 Earth MOID = .0140215 au 
 Jupiter MOID = 3.96043 au 
 T_jup = 6.848 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 24.4   n/a MPO437984  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-30 00:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin