[ 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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .1135479562860511 | 3.796e-08 | |
| a | 2.387890893284377 | 7.8903e-09 | au |
| q | 2.116750762517863 | 8.9825e-08 | au |
| i | 12.06578629008421 | 4.1514e-06 | deg |
| node | 183.1490741444228 | 1.6302e-05 | deg |
| peri | 66.75609584059895 | 2.3101e-05 | deg |
| M | 192.3182109403914 | 1.609e-05 | deg |
| tp | 2459628.274316666283
(2022-Feb-17.77431667) | 6.0623e-05 | TDB |
| period | 1347.783532530909
3.69 | 6.6802e-06
1.829e-08 | d
yr |
| n | .2671052074096655 | 1.3239e-09 | deg/d |
| Q | 2.659031024050891 | 8.7863e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
13.4 |
|
n/a |
MPO449021 |
|
| diameter |
diameter |
8.747 |
km |
0.115 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| rotation period |
rot_per |
4.7512 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2007) http://www.asu.cas.cz/~ppravec/neo.htm]
[Pravec, P.; Wolf, M.; Sarounova, L. (2011) http://www.asu.cas.cz/~ppravec/neo.htm] |
| geometric albedo |
albedo |
0.093 |
|
0.014 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
|
| 11072 Hiraoka | Discovered 1992 Apr. 3 by K. Endate and K. Watanabe at Kitami. |
| Hiroyuki Hiraoka (b. 1957) is an elementary-school teacher and amateur astronomer, active in the Hiroshima Astronomical Society. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: 20020526/MPCPages.arc | Last Updated: 2003-10-02 |
|
[ 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 |
| 1968-Aug-14 14:25 |
< 00:01 |
David |
0.0257405643973298 |
0.0257375152977035 |
0.0257436137835422 |
6.02304753290999 |
6.02304743546743 |
2440083.100991050 |
0.597911478825181 |
204.453094884015 |
21.3644689104159 |
-42.2607607218317 |
121957.168313618 |
T |
39 |
CATAB v2.0f-lin.ifort 2020-Dec-18 02:44:40 |
2020-Dec-18 02:44 |
| 1989-Aug-15 01:43 |
< 00:01 |
Eunom |
0.0331501020059724 |
0.0331494585323265 |
0.0331507454957036 |
8.55506361895404 |
8.55506356945626 |
2447753.571755059 |
0.233035191839093 |
120.615582677638 |
30.4674671281315 |
-85.0630325573538 |
162163.933637621 |
T |
39 |
CATAB v2.0f-lin.ifort 2020-Dec-18 02:44:40 |
2020-Dec-18 02:44 |
| 2056-May-01 13:04 |
< 00:01 |
Amphi |
0.0208232646266164 |
0.0208179138227139 |
0.020828615528584 |
6.79049811892913 |
6.79049807827332 |
2472120.044455529 |
0.289911934112094 |
276.238225525373 |
29.2962556068364 |
15.1258931984353 |
29796.8180693167 |
T |
39 |
CATAB v2.0f-lin.ifort 2020-Dec-18 02:44:40 |
2020-Dec-18 02:44 |
|
Alternate Designations
| 1992 GP = 1955 HC1 = 1999 CJ3 |
|
|
