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357404 (2003 UN341)
Classification: Main-belt Asteroid          SPK-ID: 2357404
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1319658201771661 9.0122e-08  
a 2.389333437752124 1.5207e-08 au
q 2.074023090962437 2.1263e-07 au
i 20.91996439154639 1.0468e-05 deg
node 195.7436734912713 1.4799e-05 deg
peri 173.3893404821886 2.4431e-05 deg
M 215.4307879634639 2.1517e-05 deg
tp 2459742.234982976877
(2022-Jun-11.73498298)
8.3006e-05 TDB
period 1349.005027587675
3.69
1.2879e-05
3.526e-08
d
yr
n .2668633493855549 2.5477e-09 deg/d
Q 2.704643784541811 1.7214e-08 au
  Orbit Determination Parameters
   # obs. used (total)      295  
   data-arc span      6610 days (18.10 yr)  
   first obs. used      2002-03-21  
   last obs. used      2020-04-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59654  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:20:32  

Additional Information
 Earth MOID = 1.07392 au 
 Jupiter MOID = 2.76318 au 
 T_jup = 3.433 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457292.5 (2015-Sep-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1313661416484291 9.0205e-08  
q 2.075825489341792 2.1273e-07 au
tp 2457040.745924437212
(2015-Jan-18.24592444)
7.4249e-05 TDB
node 195.7756700511328 1.4808e-05 deg
peri 172.7786609561899 2.4476e-05 deg
i 20.91030153159331 1.0468e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      295  
   data-arc span      6610 days (18.10 yr)  
   first obs. used      2002-03-21  
   last obs. used      2020-04-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59654  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 09:20:32  

Additional Information
 Jupiter MOID = 2.76318 au 
 T_jup = 3.433 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.136905472407937E-15 -1.915385862150121E-14 -9.406075341917602E-13 -2.241879887154989E-15 -1.92845396802595E-13 3.156107759502801E-14
q -1.915385862150121E-14 4.52527771868562E-14 2.448845703356395E-12 4.384576175577021E-15 5.202756987426738E-13 -7.349563360517579E-14
tp -9.406075341917602E-13 2.448845703356395E-12 5.512957191281487E-9 -7.788699036059257E-12 1.462596281771978E-9 1.505690225489831E-12
node -2.241879887154989E-15 4.384576175577021E-15 -7.788699036059257E-12 2.192671719070674E-10 -2.063093321503065E-10 -5.452298040178494E-11
peri -1.92845396802595E-13 5.202756987426738E-13 1.462596281771978E-9 -2.063093321503065E-10 5.990520232323798E-10 5.151231772284228E-11
i 3.156107759502801E-14 -7.349563360517579E-14 1.505690225489831E-12 -5.452298040178494E-11 5.151231772284228E-11 1.095774094560381E-10

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 16.73   n/a E2021B25  

357404 (2003 UN341)          Discovered 2003-Oct-19 by Sloan Digital Sky Survey at Apache Point
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1972-Aug-08 19:48 < 00:01 Amphi 0.034569378221595 0.0345608147409554 0.0345779492423775 8.15756745290678 8.15756743252131 2441538.325137805 0.65150191830062 924.159929058943 80.0815724250851 -62.8876540743563 57530.0097925631 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 09:20:33 2021-Apr-14 09:20
2050-Mar-07 15:30 < 00:01 Amphi 0.0313161454859977 0.0313144785675054 0.0313178126732547 8.12844664874 8.12844662615619 2469873.145804862 0.700281009026519 845.964268132474 81.8827776793156 -89.0280751923391 57197.3800100333 T 14 CATAB v2.0f-lin.ifort 2021-Apr-14 09:20:33 2021-Apr-14 09:20

Alternate Designations
 2003 UN341 = 2007 TW5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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