Asteroids

242643 2005NZ6 help

Last update: 2025-09-10 00:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.247

Aphelion (Q)

3.420

Eccentricity (e)

0.865

Inclination (i)

8.4

deg

Orbit period (P)

906.7

Earth MOID

0.00548

U parameter

0.0

Next Earth close approach

Date

2082-08-16

Nominal distance (from Earth center)

0.16108

24097605

Maximum Brightness

16.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

17.4

mag

Diameter

1430

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2005-07-03

Observatory

Palomar Mountain/NEAT

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.833300

1-sigma variation

1.546E-9

Unit

Eccentricity (e)

Value

0.865220

1-sigma variation

1.393E-8

Unit

Inclination (i)

Value

8.4128

1-sigma variation

6.361E-6

Unit

Long. of Ascending Node (Ω)

Value

38.7715

1-sigma variation

1.225E-5

Unit

Arg. of Perihelion (ω)

Value

48.9904

1-sigma variation

1.267E-5

Unit

Mean Anomaly (M)

Value

36.32246

1-sigma variation

3.356E-6

Unit

Perihelion distance

Value

0.247092

1-sigma variation

Unit

Aphelion distance

Value

3.419509

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.698631

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.057185

1-sigma variation

Unit

MOID

Value

0.005482

1-sigma variation

Unit

Orbit Period

Value

906.6691

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.38988E-18	-1.46492E-17	1.61031E-15	1.80807E-15	1.33108E-15	-3.88468E-15
e	-1.46492E-17	1.94156E-16	-9.70423E-15	3.76826E-16	-4.14613E-14	2.79597E-15
i	1.61031E-15	-9.70423E-15	4.04607E-11	1.21622E-11	-1.06298E-11	2.14820E-12
Ω	1.80807E-15	3.76826E-16	1.21622E-11	1.50061E-10	-1.50902E-10	2.25215E-13
ω	1.33108E-15	-4.14613E-14	-1.06298E-11	-1.50902E-10	1.60454E-10	-1.02287E-12
M	-3.88468E-15	2.79597E-15	2.14820E-12	2.25215E-13	-1.02287E-12	1.12647E-11

Date of computation: 2025-09-10 00:30 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

187

Unit

Source

[1]

Spinvector B

Value

0.000E0

Unit

Source

[1]

Taxonomy
Taxonomy (all)

Taxonomy

Value

Unit

Source

Taxonomy

Value

Unit

Source

[2]

Taxonomy (all)

Value

Unit

Source

[3]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

17.389

Unit

mag

Source

[4]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[4]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.041

0.092

Unit

Source

[6]

[5]

Diameter

Value

1430

Unit

Source

[5]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

0.1621

0.1153

0.0801

0.2774

0.3575

0.1954

Unit

g-r

r-i

i-z

g-i

g-z

r-z

Source

[2]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Radar R

Unit

Source

[7]

Download this part as:

Sources

No.	Name	Additional
[1]	EARN	1.) Lowell Observatory Near-Earth Asteroid Photometric Survey (NEAPS): Paper 4. Skiff, Brian A et al.
[2]	EARN	1.) A. V. Sergeyev, B. Carry et al A&A, 658 (2022) A109
[3]	EARN	Earth Asteroids Research Node: https://earn.dlr.de
[4]	ESA Aegis	ESA orbit determination and impact monitoring system
[5]	EARN	1.) Joseph R. Masiero et al 2021 Planet. Sci. J. 2 162
[6]	EARN	1.) Mainzer, A. et al. (2011) ApJ 743, 156. (NEOWISE Observations of Near-Earth Objects: Preliminary Results) (albedo and diameters of 428 NEOs) 2.) Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; et al. (2011) Astrophys. J. 741, A90. See also Grav 2012b and Masiero 2012.
[7]	EARN	1.) href="http://echo.jpl.nasa.gov/asteroids/index.html">JPL's NEO Radar Detection Program Webpage

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

7303

Unit

Source

[1]

Unobserved

Value

121

Unit

Source

[1]

Normalized RMS of residuals

Value

0.335661

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2005-07-03.42664

Unit

Source

[2]

Last Observation

Value

2025-07-01.106433

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

752 (5)

Unit

Source

[1]

Radar Summary

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

Radar

Value

Unit

Source

First Observation

Value

2013-04-26

Unit

Source

[3]

Last Observation

Value

2013-05-02

Unit

Source

[3]

Delay (Discarded)

Value

6 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

3 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

9 (0)

Unit

Source

[1]

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
[3]	JPL Radar Observations	Jet Propulsion Laboratory: https://ssd.jpl.nasa.gov/dat/radar_data_ast.txt

Computation parameters

As seen from:

Initial Date: *

Final Date: *

Output option:

One line per time step

Time step:*

* - these fields are required

Close Approaches for 242643 2005NZ6 from 1950 to 2125

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
MERCURY	1971-01-08 00:28	< 1 min	0.0127085	0.0127067	0.0000006
VENUS	1976-01-15 12:58	< 1 min	0.0227160	0.0227139	0.0000007
EARTH	2010-08-14 17:29	< 1 s	0.1554874	0.1554871	0.0000001
MERCURY	2010-09-30 07:47	< 1 s	0.0469437	0.0469436	0.0000000
EARTH	2013-04-29 11:42	< 1 s	0.0640373	0.0640373	0.0000000
EARTH	2015-08-06 16:28	< 1 s	0.1966781	0.1966777	0.0000001
MERCURY	2018-03-03 04:04	< 1 min	0.0172509	0.0172504	0.0000002
EARTH	2018-04-21 19:03	< 1 s	0.1206392	0.1206389	0.0000001
VENUS	2043-02-04 06:21	< 1 s	0.0407474	0.0407466	0.0000003
MERCURY	2050-06-29 12:36	< 1 s	0.0330142	0.0330139	0.0000001
MERCURY	2057-11-25 16:17	< 1 min	0.0259825	0.0259817	0.0000003
EARTH	2082-08-16 16:31	< 1 min	0.1610825	0.1610816	0.0000003
EARTH	2085-04-30 17:07	< 1 min	0.0742736	0.0742720	0.0000005
EARTH	2087-08-06 20:10	< 1 min	0.1949626	0.1949614	0.0000004
EARTH	2090-04-21 06:00	< 1 min	0.1528060	0.1528046	0.0000005
MERCURY	2115-01-16 11:35	< 1 min	0.0334727	0.0334719	0.0000003

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
58.60721256	113.50882721	0.00564563	MINIMUM
301.71165858	217.69400271	0.14582296	MINIMUM
359.94622092	345.92997820	0.73906712	SADDLE
359.71324615	165.14293138	1.26165143	SADDLE
180.10854631	165.17623495	2.41256963	SADDLE
179.88065283	345.11684644	4.39899568	MAXIMUM

Download:

MOID Plots

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