Asteroids

2026JZ2 help

Last update: 2026-05-15 15:37 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Aten

Perihelion (q)

0.813

Aphelion (Q)

1.166

Eccentricity (e)

0.179

Inclination (i)

5.1

deg

Orbit period (P)

359.6

Earth MOID

0.01440

U parameter

5.4

Next Earth close approach

Date

2027-05-21

Nominal distance (from Earth center)

0.09145

13680023

Maximum Brightness

25.2

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

28.3

mag

Diameter

6 - 13*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-05-12

Observatory

Mt. Lemmon Survey

ORBIT VISUALISATION TOOLS

External links

Proper elements

Epoch

Near present day

Near middle of observation arc

Orbit properties

Epoch
Semimajor Axis
Eccentricity (e)
Inclination (i)
Long. of Ascending Node (Ω)
Arg. of Perihelion (ω)
Mean Anomaly (M)
Perihelion distance
Aphelion distance
Asc. Node-Earth Sep.
Desc. Node-Earth Sep.
MOID
Orbit Period
U parameter

Value

1-sigma variation

Unit

Epoch

Value

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.989572

1-sigma variation

0.000012

Unit

Eccentricity (e)

Value

0.178556

1-sigma variation

0.000078

Unit

Inclination (i)

Value

5.1442

1-sigma variation

0.0028

Unit

Long. of Ascending Node (Ω)

Value

56.5171

1-sigma variation

0.0003

Unit

Arg. of Perihelion (ω)

Value

63.2478

1-sigma variation

0.0022

Unit

Mean Anomaly (M)

Value

119.09505

1-sigma variation

0.01164

Unit

Perihelion distance

Value

0.812877

1-sigma variation

Unit

Aphelion distance

Value

1.166266

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.102006

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.030430

1-sigma variation

Unit

MOID

Value

0.014397

1-sigma variation

Unit

Orbit Period

Value

359.5583

1-sigma variation

Unit

U parameter

Value

5.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.32606E-10	8.84731E-10	3.21273E-8	-3.65703E-9	2.54905E-8	-1.33304E-7
e	8.84731E-10	6.03731E-9	2.15993E-7	-2.38398E-8	1.68386E-7	-9.03871E-7
i	3.21273E-8	2.15993E-7	7.83516E-6	-8.90825E-7	6.14712E-6	-3.24528E-5
Ω	-3.65703E-9	-2.38398E-8	-8.90825E-7	1.07844E-7	-7.07666E-7	3.60872E-6
ω	2.54905E-8	1.68386E-7	6.14712E-6	-7.07666E-7	4.92444E-6	-2.54493E-5
M	-1.33304E-7	-9.03871E-7	-3.24528E-5	3.60872E-6	-2.54493E-5	1.35579E-4

Date of computation: 2026-05-15 15:37 UTC

Note: The ASCII file is in a format suitable for Orbfit input.

Download ASCII file:

Physical properties

Rotation Period
Quality
Amplitude
Rotation Direction
Spinvector L
Spinvector B

Rotational properties

Value

Unit

Source

Rotation Period

Value

Unit

Source

[-]

Quality

Value

Unit

Source

[-]

Amplitude

Value

Unit

mag

Source

[-]

Rotation Direction

Value

Unit

Source

[-]

Spinvector L

Value

Unit

Source

[-]

Spinvector B

Value

Unit

Source

[-]

Taxonomy
Taxonomy (all)

Taxonomy

Value

Unit

Source

Taxonomy

Value

Unit

Source

[-]

Taxonomy (all)

Value

Unit

Source

[-]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

28.297

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

6 - 13*

Unit

Source

[2]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

Unit

mag

Source

[-]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Unit

Source

[-]

Download this part as:

Sources

No.	Name	Additional
[1]	ESA Aegis	ESA orbit determination and impact monitoring system
[2]	Estimation	Estimated from absolute magnitude

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.69068

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-05-12.320005

Unit

Source

[2]

Last Observation

Value

2026-05-15.378279

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

32 (1)

Unit

Source

[1]

Radar Summary

First Observation
Last Observation
Delay (Discarded)
Doppler (Discarded)
Total Optical Observations (Discarded)

Radar

Value

Unit

Source

First Observation

Value

Unit

Source

[-]

Last Observation

Value

Unit

Source

[-]

Delay (Discarded)

Value

0 (0)

Unit

Source

[-]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[-]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[-]

Note: The ASCII file is in a format suitable for Orbfit input.

Sources

No.	Name	Additional
[1]	ESA Aegis	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net

Computation parameters

As seen from:

Initial Date: *

Final Date: *

Output option:

One line per time step

Time step:*

* - these fields are required

Note: Ephemerides requests are limited to a maximum of 1000 points and a final date not exceeding 2040/12/31 00:00.

Close Approaches for 2026JZ2 from 1950 to 2126

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1970-05-13 04:32	188.2	0.1428897	0.1329240	0.0033236
EARTH	1971-05-09 23:37	161.6	0.0305712	0.0178157	0.0050566
EARTH	1972-05-14 19:01	> 1 d	0.0706202	0.0545829	0.0054153
EARTH	1973-03-10 08:58	> 1 d	0.1624713	0.1553394	0.0023782
EARTH	1973-06-17 07:28	> 1 d	0.1408966	0.1331285	0.0026165
EARTH	1974-02-06 05:52	> 1 d	0.1860315	0.1846565	0.0004637
EARTH	1974-07-16 09:06	> 1 d	0.1707267	0.1684559	0.0007683
EARTH	1975-01-11 01:40	> 1 d	0.1828222	0.1811047	0.0005898
EARTH	1975-08-14 03:00	> 1 d	0.1686339	0.1667125	0.0006452
EARTH	1975-12-15 06:19	> 1 d	0.1577809	0.1535112	0.0014580
EARTH	1976-11-10 17:32	> 1 d	0.1066884	0.0996379	0.0024288
EARTH	1977-10-16 18:43	455.5	0.0529436	0.0529331	0.0000226
EARTH	1978-10-09 03:11	222.5	0.1169834	0.1085358	0.0028460
EARTH	2025-05-11 13:45	3.9	0.1032074	0.1028795	0.0001093
EARTH	2026-05-09 11:55	< 1 min	0.0142592	0.0142370	0.0000074
EARTH	2027-05-21 20:44	81.0	0.0914453	0.0912085	0.0000790
EARTH	2028-03-02 15:02	366.0	0.1699118	0.1698482	0.0000212
EARTH	2028-06-22 21:05	263.0	0.1500593	0.1499506	0.0000363
EARTH	2029-02-01 07:50	477.8	0.1867113	0.1865218	0.0000632
EARTH	2029-07-20 11:00	423.6	0.1732421	0.1730563	0.0000620
EARTH	2030-01-06 17:53	590.9	0.1798434	0.1793382	0.0001687
EARTH	2030-08-19 01:46	643.9	0.1667459	0.1659816	0.0002548
EARTH	2030-12-11 03:00	699.2	0.1519319	0.1509260	0.0003364
EARTH	2031-11-07 17:28	546.5	0.0988784	0.0970555	0.0006119
EARTH	2032-10-16 13:23	139.0	0.0529416	0.0527366	0.0000946
EARTH	2033-10-09 04:44	90.1	0.1196898	0.1165265	0.0010586
EARTH	2081-05-12 11:07	392.5	0.1261664	0.1000999	0.0087014
EARTH	2082-05-09 17:01	186.6	0.0254391	0.0131463	0.0070206
EARTH	2083-05-12 20:21	507.3	0.0601772	0.0515999	0.0028780
EARTH	2084-03-21 23:26	> 1 d	0.1494771	0.1448349	0.0015475
EARTH	2084-06-08 15:52	> 1 d	0.1291197	0.1254684	0.0012211
EARTH	2085-02-16 09:55	> 1 d	0.1803875	0.1753739	0.0016810
EARTH	2085-07-05 19:32	> 1 d	0.1653363	0.1606545	0.0015935
EARTH	2086-01-22 21:35	> 1 w	0.1856288	0.1855953	0.0000252
EARTH	2086-07-30 19:36	> 1 w	0.1758221	0.1735541	0.0008119
EARTH	2086-12-30 13:22	> 1 w	0.1727204	0.1638902	0.0033848
EARTH	2087-08-28 18:27	> 1 w	0.1605555	0.1387740	0.0073239
EARTH	2087-12-05 04:53	> 1 w	0.1416158	0.1191777	0.0091600
EARTH	2088-11-02 13:14	> 1 w	0.0881747	0.0618209	0.0177526
EARTH	2089-10-17 02:49	> 1 d	0.0523234	0.0510173	0.0067634
EARTH	2090-10-10 10:39	> 1 d	0.1152647	0.0525232	0.0350076

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
98.61129660	123.24958839	0.01439698	MINIMUM
275.17133091	281.26936839	0.05213394	MINIMUM
187.22411984	201.62251219	0.17492223	SADDLE
7.10403443	23.33389536	0.18693900	SADDLE
2.55652547	197.96545458	1.82753099	SADDLE
180.77671746	16.13997777	2.14865981	MAXIMUM

Download:

MOID Plots

Click on the images to zoom-in and zoom-out