[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .06582138950760315 | 3.791e-08 | |
| a | 2.180209043690621 | 5.0726e-09 | au |
| q | 2.036704655017861 | 8.174e-08 | au |
| i | 5.074385779308769 | 3.7043e-06 | deg |
| node | 187.4918561408744 | 3.9946e-05 | deg |
| peri | 339.5363285923 | 4.697e-05 | deg |
| M | 93.81734749758444 | 2.506e-05 | deg |
| tp | 2458694.073527832072
(2019-Jul-29.57352783) | 8.1803e-05 | TDB |
| period | 1175.832966107834
3.22 | 4.1036e-06
1.124e-08 | d
yr |
| n | .3061659354488492 | 1.0685e-09 | deg/d |
| Q | 2.32371343236338 | 5.4065e-09 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
12.1 |
|
n/a |
PDS3 (MPC 17262) |
|
| diameter |
diameter |
8.963 |
km |
0.113 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
| rotation period |
rot_per |
34.34 |
h |
n/a |
LCDB (Rev. 2020-October); Warner et al., 2009 |
Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2001) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html] |
| geometric albedo |
albedo |
0.318 |
|
0.052 |
urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M) |
|
|
| 1651 Behrens | Discovered 1936 Apr. 23 by M. Laugier at Nice. |
| Named in memory of Johann Gerhard Behrens (1889-1978), pastor at Detern, well known for his orbit computations on comets and minor planets. Name proposed by O. Kippes, who found some of the identifications involving this planet. |
| NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) |
| Reference: MPC 5523 | Last Updated: 2006-03-21 |
|
[ 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 |
| 1940-Jun-07 12:05 |
00:02 |
Thisb |
0.0390203732191564 |
0.0390174392832761 |
0.0390233071876134 |
3.26663875918008 |
3.26663870568889 |
2429788.003156232 |
1.51837644835144 |
156.768544946251 |
17.9516963607443 |
21.3172675658111 |
123086.744167319 |
T |
37 |
CATAB v2.0f-lin.ifort 2020-Dec-18 02:02:02 |
2020-Dec-18 02:02 |
| 1995-Jan-30 12:14 |
< 00:01 |
Iris |
0.0281819056315111 |
0.0281807690510423 |
0.0281830422124567 |
5.51135734412068 |
5.51135730710855 |
2449748.009841766 |
0.183195770568418 |
57.1338524989983 |
35.0837982347815 |
-9.37569158055928 |
75367.8298665142 |
T |
37 |
CATAB v2.0f-lin.ifort 2020-Dec-18 02:02:02 |
2020-Dec-18 02:02 |
| 2175-Jun-02 06:02 |
00:04 |
Thisb |
0.0250088981129184 |
0.0250012640511698 |
0.0250165321746932 |
3.29249224899966 |
3.29249216619487 |
2515614.751498914 |
4.43186459726277 |
380.371584098697 |
17.0846967736706 |
0.14233775283019 |
9842.39082023284 |
T |
37 |
CATAB v2.0f-lin.ifort 2020-Dec-18 02:02:02 |
2020-Dec-18 02:02 |
| 2197-Nov-06 08:23 |
< 00:01 |
Iris |
0.0270148986375425 |
0.0270084140399518 |
0.0270213860147959 |
5.57372228273696 |
5.57372224455798 |
2523807.849387510 |
0.178613930634774 |
541.615467143789 |
34.8425669879399 |
-53.5068715334926 |
93324.0294551175 |
T |
37 |
CATAB v2.0f-lin.ifort 2020-Dec-18 02:02:02 |
2020-Dec-18 02:02 |
|
Alternate Designations
| 1936 HD = 1939 EJ = 1940 QD = 1944 YA = 1947 WA = 1950 TB4 = 1952 FF = 1952 HB = 1952 KG = 1958 BC = 1961 AB = 1963 UQ |
|
|
|
