[ 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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .3214527734948083 | 1.2625e-07 | |
a | 2.27671384326272 | 1.2559e-08 | au |
q | 1.544857863891894 | 2.9455e-07 | au |
i | 7.324317024307227 | 8.9117e-06 | deg |
node | 17.13065619738057 | 5.5476e-05 | deg |
peri | 322.3975836022793 | 5.6777e-05 | deg |
M | 233.8452921165229 | 1.0104e-05 | deg |
tp | 2459640.205664800348 (2022-Mar-01.70566480) | 3.7184e-05 | TDB |
period | 1254.761252939791 3.44 | 1.0382e-05 2.842e-08 | d yr |
n | .2869071699150359 | 2.3739e-09 | deg/d |
Q | 3.008569822633546 | 1.6596e-08 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ hide covariance matrix ]
Orbital Elements at Epoch 2456764.5 (2014-Apr-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
Element | Value | Uncertainty (1-sigma) | Units |
e | .322600341839509 | 1.2662e-07 | |
q | 1.541700893112618 | 2.9567e-07 | au |
tp | 2457129.670958715944 (2015-Apr-17.17095872) | 2.9892e-05 | TDB |
node | 17.1729929992667 | 5.5473e-05 | deg |
peri | 322.2726664635842 | 5.675e-05 | deg |
i | 7.328277759651863 | 8.9171e-06 | deg |
|
| | Orbit Determination Parameters
Additional Information
|
Orbit Covariance (6×6)
|
|
e |
q |
tp |
node |
peri |
i |
e |
1.603383720173278E-14 |
-3.743488334219342E-14 |
1.25079209313377E-14 |
-1.675254422342638E-13 |
5.797470192168839E-13 |
-1.654925183915435E-13 |
q |
-3.743488334219342E-14 |
8.742238796180701E-14 |
-2.478880729861673E-14 |
3.940896111749273E-13 |
-1.359022054113732E-12 |
3.873810652438381E-13 |
tp |
1.25079209313377E-14 |
-2.478880729861673E-14 |
8.935437065391687E-10 |
5.269072772203139E-12 |
3.623724204039952E-10 |
8.419655749630197E-12 |
node |
-1.675254422342638E-13 |
3.940896111749273E-13 |
5.269072772203139E-12 |
3.077247817847139E-9 |
-3.052676916482827E-9 |
-1.72658212756085E-10 |
peri |
5.797470192168839E-13 |
-1.359022054113732E-12 |
3.623724204039952E-10 |
-3.052676916482827E-9 |
3.220539454984882E-9 |
1.69852609779898E-10 |
i |
-1.654925183915435E-13 |
3.873810652438381E-13 |
8.419655749630197E-12 |
-1.72658212756085E-10 |
1.69852609779898E-10 |
7.951432771201752E-11 |
|
Physical Parameter Table
Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
absolute magnitude |
H |
17.22 |
|
n/a |
E2021B25 |
|
|
393417 (2001 QB179) Discovered 2001-Aug-27 by NEAT at Palomar |
Reference: | Last Updated: 2014-05-15 |
|
[ 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 |
1958-Dec-24 22:26 |
< 00:01 |
Juno |
0.0413015977893511 |
0.041271077289528 |
0.0413321183590939 |
8.77025362220431 |
8.77025358861764 |
2436562.434878138 |
0.81553079712941 |
1524.03932889031 |
162.859514037171 |
3.23273462355596 |
4577.01793509355 |
T |
12 |
CATAB v2.0f-lin.ifort 2021-Apr-14 11:34:04 |
2021-Apr-14 11:34 |
1984-Sep-21 12:25 |
< 00:01 |
Iris |
0.0272563985946485 |
0.027251728270444 |
0.0272610759014203 |
7.61758343245216 |
7.61758340476443 |
2445965.017424340 |
0.974918186210472 |
807.594620765885 |
106.465166481565 |
74.99387206526 |
37009.5040275291 |
T |
12 |
CATAB v2.0f-lin.ifort 2021-Apr-14 11:34:04 |
2021-Apr-14 11:34 |
|
|