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 ]  
(2007 UN12)
Classification: Apollo [NEO]          SPK-ID: 3390109
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05860369715488292 1.3728e-07  
a 1.049321708082184 8.8091e-08 au
q .9878275764836913 2.2445e-07 au
i .2341981945926588 9.5106e-07 deg
node 214.37126931279 0.00011925 deg
peri 137.8169941725771 0.00010291 deg
M 270.608500226089 9.3016e-05 deg
tp 2459493.988892370273
(2021-Oct-06.48889237)
0.00011027 TDB
period 392.6100506431042
1.07
4.944e-05
1.354e-07
d
yr
n .9169403570038817 1.1547e-07 deg/d
Q 1.110815839680677 9.3254e-08 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      4833 days (13.23 yr)  
   first obs. used      2007-10-21  
   last obs. used      2021-01-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59163  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 01:01:24  

Additional Information
 Earth MOID = .000719332 au 
 Jupiter MOID = 3.96026 au 
 T_jup = 5.855 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457807.5 (2017-Feb-23.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06047961272831458 1.6115e-07  
q .9900680596418413 1.684e-07 au
tp 2457914.585136152248
(2017-Jun-10.08513615)
0.00011308 TDB
node 216.0117274651855 6.8347e-05 deg
peri 134.4888831659458 0.00010542 deg
i .235441908136312 9.3025e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      4833 days (13.23 yr)  
   first obs. used      2007-10-21  
   last obs. used      2021-01-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59163  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 01:01:24  

Additional Information
 Jupiter MOID = 3.96026 au 
 T_jup = 5.855 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.59685553195917E-14 -2.713640658561852E-14 -1.653518009502313E-11 -7.550275292616615E-12 -1.231934714168937E-11 -3.797482885114264E-14
q -2.713640658561852E-14 2.835984419870888E-14 1.736066103819408E-11 7.860249788836296E-12 1.296795747718364E-11 3.913828808377385E-14
tp -1.653518009502313E-11 1.736066103819408E-11 1.278661507314411E-8 3.971924447331924E-9 1.048703872217713E-8 9.551553476524072E-12
node -7.550275292616615E-12 7.860249788836296E-12 3.971924447331924E-9 4.671355843782495E-9 4.333187450090574E-10 5.607004574529097E-12
peri -1.231934714168937E-11 1.296795747718364E-11 1.048703872217713E-8 4.333187450090574E-10 1.111413887908949E-8 1.181423362663601E-11
i -3.797482885114264E-14 3.913828808377385E-14 9.551553476524072E-12 5.607004574529097E-12 1.181423362663601E-11 8.653702881083194E-13

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 28.7   n/a MPO130304  

[ 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 2021-Sep-19 18:26 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin