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 KV12)
Classification: Mars-crossing Asteroid          SPK-ID: 3604836
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5182017445117582 1.5174e-07  
a 2.746988028392932 9.2851e-08 au
q 1.323494039926799 3.7996e-07 au
i 23.77096293326265 4.2018e-05 deg
node 68.45453478878329 2.1479e-05 deg
peri 269.3940752328867 9.9201e-05 deg
M 275.2483729303995 8.7342e-05 deg
tp 2459591.997615088641
(2022-Jan-12.49761509)
0.0004202 TDB
period 1662.966792556884
4.55
8.4315e-05
2.308e-07
d
yr
n .2164805705148714 1.0976e-08 deg/d
Q 4.170482016859063 1.4097e-07 au
  Orbit Determination Parameters
   # obs. used (total)      52  
   data-arc span      3284 days (8.99 yr)  
   first obs. used      2012-05-16  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52251  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-21 22:34:14  

Additional Information
 Earth MOID = .558621 au 
 Jupiter MOID = 2.21556 au 
 T_jup = 3.032 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457782.5 (2017-Jan-29.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5172266600225666 1.5226e-07  
q 1.327056629073136 3.8097e-07 au
tp 2457928.263317875707
(2017-Jun-23.76331788)
0.00035339 TDB
node 68.47414695806586 2.1465e-05 deg
peri 269.3973691863927 9.9354e-05 deg
i 23.76728434040035 4.2012e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      52  
   data-arc span      3284 days (8.99 yr)  
   first obs. used      2012-05-16  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52251  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-21 22:34:14  

Additional Information
 Jupiter MOID = 2.21556 au 
 T_jup = 3.032 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.318174778058532E-14 -5.788759479532853E-14 4.924483491074632E-11 2.601360195955691E-13 1.32545350503459E-11 -9.256273625690842E-13
q -5.788759479532853E-14 1.451388219677693E-13 -1.228438705271726E-10 -7.191515124194758E-13 -3.302834509720299E-11 2.582906923709744E-12
tp 4.924483491074632E-11 -1.228438705271726E-10 1.24884580522964E-7 5.338915905048249E-10 3.425971196627041E-8 -1.948340209558402E-9
node 2.601360195955691E-13 -7.191515124194758E-13 5.338915905048249E-10 4.607513750338755E-10 -2.829384510349955E-10 -4.393810073434323E-10
peri 1.32545350503459E-11 -3.302834509720299E-11 3.425971196627041E-8 -2.829384510349955E-10 9.871308052126846E-9 -9.705056111161847E-11
i -9.256273625690842E-13 2.582906923709744E-12 -1.948340209558402E-9 -4.393810073434323E-10 -9.705056111161847E-11 1.76497163027642E-9

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.06   n/a E2021-GF3  
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-17 03:43 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin