Asteroids

524594 2003NW1 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.866

Aphelion (Q)

3.983

Eccentricity (e)

0.643

Inclination (i)

6.2

deg

Orbit period (P)

1378.7

Earth MOID

0.02562

U parameter

0.0

Next Earth close approach

Date

2052-08-14

Nominal distance (from Earth center)

0.1339

20031734

Maximum Brightness

16.9

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

18.6

mag

Diameter

500 - 1100*

Taxonomic type

Rotation period (T)

37.70

Discovery Information

Discovery Date

2003-07-03

Observatory

Lincoln Laboratory ETS, New Mexico

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

2.424324

1-sigma variation

4.016E-9

Unit

Eccentricity (e)

Value

0.642930

1-sigma variation

2.561E-8

Unit

Inclination (i)

Value

6.1567

1-sigma variation

7.005E-6

Unit

Long. of Ascending Node (Ω)

Value

265.0188

1-sigma variation

1.700E-5

Unit

Arg. of Perihelion (ω)

Value

118.8887

1-sigma variation

1.985E-5

Unit

Mean Anomaly (M)

Value

312.27724

1-sigma variation

1.616E-6

Unit

Perihelion distance

Value

0.865654

1-sigma variation

Unit

Aphelion distance

Value

3.982994

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

1.044670

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.101180

1-sigma variation

Unit

MOID

Value

0.025619

1-sigma variation

Unit

Orbit Period

Value

1378.7465

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.61318E-17	3.79394E-17	9.28861E-15	-1.12857E-14	-1.98166E-15	-5.30535E-15
e	3.79394E-17	6.55698E-16	9.77512E-15	2.64065E-14	-2.64437E-13	9.07726E-15
i	9.28861E-15	9.77512E-15	4.90759E-11	-6.03568E-11	5.56546E-11	-3.11895E-12
Ω	-1.12857E-14	2.64065E-14	-6.03568E-11	2.89103E-10	-2.98196E-10	7.06612E-12
ω	-1.98166E-15	-2.64437E-13	5.56546E-11	-2.98196E-10	3.94012E-10	-1.06744E-11
M	-5.30535E-15	9.07726E-15	-3.11895E-12	7.06612E-12	-1.06744E-11	2.61151E-12

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

37.70

Unit

Source

[1]

Quality

Value

Unit

Source

[-]

Amplitude

Value

0.74

Unit

mag

Source

[1]

Rotation Direction

Value

Unit

Source

[-]

Spinvector L

Value

Unit

Source

[1]

Spinvector B

Value

-1

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

18.616

Unit

mag

Source

[4]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[4]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[5]

Diameter

Value

500 - 1100*

Unit

Source

[5]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

0.575

Unit

g-r

Source

[2]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Unit

Source

[-]

Download this part as:

Sources

No.	Name	Additional
[1]	EARN	1.) Near-Earth Asteroid Lightcurve Analysis at the Center for Solar System Studies: 2018 September-December, B.D. Warner
[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]	Estimation	Estimated from absolute magnitude

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

7198

Unit

Source

[1]

Unobserved

Value

947

Unit

Source

[1]

Normalized RMS of residuals

Value

0.448454

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2003-07-03.37302

Unit

Source

[2]

Last Observation

Value

2023-03-18.377519

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

380 (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

2018-12-12

Unit

Source

[3]

Last Observation

Value

2018-12-12

Unit

Source

[3]

Delay (Discarded)

Value

2 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

1 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

3 (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 524594 2003NW1 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
EARTH	1954-08-10 08:30	< 1 min	0.1664740	0.1664707	0.0000011
EARTH	1969-08-27 17:06	< 1 min	0.1014271	0.1014261	0.0000004
EARTH	1984-11-02 07:27	< 1 min	0.1391808	0.1391800	0.0000002
EARTH	2018-12-10 04:38	< 1 s	0.0688101	0.0688101	0.0000000
EARTH	2052-08-14 11:21	< 1 min	0.1339039	0.1339030	0.0000003
EARTH	2067-10-18 11:02	< 1 min	0.1558062	0.1558058	0.0000001
EARTH	2101-12-20 12:05	< 1 min	0.1881404	0.1881389	0.0000005

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
23.34072327	330.01636528	0.02553233	MINIMUM
334.52052646	230.52435603	0.10047624	MINIMUM
356.48817796	275.34046583	0.15999595	SADDLE
358.55676261	99.78458650	1.86623819	SADDLE
179.61449006	101.40544165	2.98599159	SADDLE
179.79312799	281.49055144	4.97621631	MAXIMUM

Download:

MOID Plots

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