Asteroids

2026KK help

Last update: 2026-05-19 13:16 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.869

Aphelion (Q)

1.535

Eccentricity (e)

0.277

Inclination (i)

7.8

deg

Orbit period (P)

481.5

Earth MOID

0.03445

U parameter

7.4

Next Earth close approach

Date

2026-05-23

Nominal distance (from Earth center)

0.03922

5867164

Maximum Brightness

21.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.7

mag

Diameter

19 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-05-17

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

1.202324

1-sigma variation

0.000362

Unit

Eccentricity (e)

Value

0.277109

1-sigma variation

0.000310

Unit

Inclination (i)

Value

7.8340

1-sigma variation

0.0081

Unit

Long. of Ascending Node (Ω)

Value

227.8408

1-sigma variation

0.0009

Unit

Arg. of Perihelion (ω)

Value

85.9850

1-sigma variation

0.0048

Unit

Mean Anomaly (M)

Value

327.80583

1-sigma variation

0.02649

Unit

Perihelion distance

Value

0.869149

1-sigma variation

Unit

Aphelion distance

Value

1.535499

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.079559

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.141323

1-sigma variation

Unit

MOID

Value

0.034449

1-sigma variation

Unit

Orbit Period

Value

481.5382

1-sigma variation

Unit

U parameter

Value

7.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.31355E-7	1.12287E-7	2.85997E-6	-1.51828E-7	-1.60909E-6	9.58983E-6
e	1.12287E-7	9.60683E-8	2.46121E-6	-1.22877E-7	-1.35942E-6	8.18683E-6
i	2.85997E-6	2.46121E-6	6.58521E-5	-1.76971E-6	-3.18048E-5	2.06488E-4
Ω	-1.51828E-7	-1.22877E-7	-1.76971E-6	8.38949E-7	3.21425E-6	-1.20662E-5
ω	-1.60909E-6	-1.35942E-6	-3.18048E-5	3.21425E-6	2.29121E-5	-1.19636E-4
M	9.58983E-6	8.18683E-6	2.06488E-4	-1.20662E-5	-1.19636E-4	7.01638E-4

Date of computation: 2026-05-19 13:16 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

25.709

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

19 - 40*

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

0.3

Unit

Source

[1]

Normalized RMS of residuals

Value

0.598319

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-05-17.276556

Unit

Source

[2]

Last Observation

Value

2026-05-19.423004

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

43 (0)

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 2026KK 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	1964-10-17 10:58	> 1 w	0.0618244	0.0598612	0.0419423
EARTH	1968-07-28 18:36	> 1 mo	0.1919054	0.1577270	0.0126325
EARTH	1972-05-20 13:56	> 1 d	0.0344350	0.0331929	0.0136280
EARTH	1993-10-16 01:18	> 1 d	0.0767462	0.0581163	0.0324834
EARTH	1997-07-08 04:28	> 1 w	0.1764556	0.1136744	0.0216044
EARTH	2001-05-15 23:41	> 1 d	0.1028096	0.0321049	0.0511795
EARTH	2018-10-22 19:43	> 1 d	0.0917784	0.0576881	0.0176173
EARTH	2022-08-17 11:04	> 1 d	0.1909380	0.1851745	0.0019223
EARTH	2026-05-23 06:08	< 1 min	0.0392196	0.0391012	0.0000395
EARTH	2047-10-19 07:08	> 1 d	0.0579955	0.0575987	0.0062725
EARTH	2051-07-29 02:04	> 1 mo	0.1917815	0.1609509	0.0109408
EARTH	2055-05-20 20:04	> 1 w	0.0430911	0.0349831	0.0707425
EARTH	2072-10-26 03:58	> 1 w	0.1563345	0.0545260	0.2896905
EARTH	2076-09-15 03:06	> 1 mo	0.1653638	0.0067377	0.1976935
EARTH	2080-05-29 00:16	> 1 mo	0.0900854	0.0311558	0.2949813
EARTH	2101-10-21 20:29	> 1 d	0.0615923	0.0563400	0.0360990
EARTH	2105-08-11 00:57	> 1 mo	0.1931118	0.1850196	0.0027235
EARTH	2109-05-24 07:40	> 1 d	0.0395557	0.0364604	0.0138802

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
301.65515338	135.49832767	0.03444941	MINIMUM
56.99683346	282.15438075	0.05774145	MINIMUM
359.85836191	209.74777768	0.19375725	SADDLE
179.51546348	28.71425880	0.57490181	SADDLE
358.44234510	27.79972137	1.85037362	SADDLE
178.83111604	208.19089760	2.54458121	MAXIMUM

Download:

MOID Plots

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