Asteroids

326732 Nice help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Amor

Perihelion (q)

1.166

Aphelion (Q)

4.261

Eccentricity (e)

0.570

Inclination (i)

6.6

deg

Orbit period (P)

1632.4

Earth MOID

0.16374

U parameter

0.0

Next Earth close approach

Date

Nominal distance (from Earth center)

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

17.5

mag

Diameter

900

Taxonomic type

Rotation period (T)

9.436

Discovery Information

Discovery Date

2003-04-25

Observatory

Lowell Observatory-LONEOS

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

2.713191

1-sigma variation

2.803E-9

Unit

Eccentricity (e)

Value

0.570308

1-sigma variation

9.333E-9

Unit

Inclination (i)

Value

6.6184

1-sigma variation

1.901E-6

Unit

Long. of Ascending Node (Ω)

Value

161.6112

1-sigma variation

1.097E-5

Unit

Arg. of Perihelion (ω)

Value

145.8055

1-sigma variation

1.198E-5

Unit

Mean Anomaly (M)

Value

348.17985

1-sigma variation

7.011E-7

Unit

Perihelion distance

Value

1.165836

1-sigma variation

Unit

Aphelion distance

Value

4.260545

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

2.473574

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.234707

1-sigma variation

Unit

MOID

Value

0.163737

1-sigma variation

Unit

Orbit Period

Value

1632.3711

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.85443E-18	-8.45865E-18	1.67312E-15	3.09776E-15	-1.41844E-14	1.14758E-15
e	-8.45865E-18	8.70993E-17	-3.34973E-15	-1.22816E-14	2.16437E-14	-1.79523E-15
i	1.67312E-15	-3.34973E-15	3.61225E-12	-8.44797E-12	7.44642E-12	-4.30948E-14
Ω	3.09776E-15	-1.22816E-14	-8.44797E-12	1.20387E-10	-1.22907E-10	4.90941E-13
ω	-1.41844E-14	2.16437E-14	7.44642E-12	-1.22907E-10	1.43633E-10	-2.94273E-12
M	1.14758E-15	-1.79523E-15	-4.30948E-14	4.90941E-13	-2.94273E-12	4.91490E-13

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

9.436

Unit

Source

[3]

Quality

Value

Unit

Source

[3]

Amplitude

Value

0.19

Unit

mag

Source

[3]

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

[1]

Taxonomy (all)

Value

Unit

Source

[2]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

17.534

Unit

mag

Source

[4]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[4]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.048

Unit

Source

[1]

Diameter

Value

900

Unit

Source

[1]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

0.398

0.676

0.388

Unit

R-I

B-V

V-R

Source

[5]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Radar R

Unit

Source

[6]

Download this part as:

Sources

No.	Name	Additional
[1]	EARN	1.) N. G. Simion et al, Spectral properties of near-Earth objects with low-Jovian Tisserand invariant (2021)
[2]	EARN	Earth Asteroids Research Node: https://earn.dlr.de
[3]	EARN	1.) Warner, B.D. (2012) MPB 39, 245-252. (ASTEROID LIGHTCURVE ANALYSIS AT THE PALMER DIVIDE OBSERVATORY: 2012 MARCH - JUNE) (..141018,326732,2011WV134,2012AA11,2012DO,..)
[4]	ESA Aegis	ESA orbit determination and impact monitoring system
[5]	EARN	1.) Lin, C-H. et al. (2018) P&SS 152, 116-135. (Photometric survey and taxonomic identifications of 92 near-Earth asteroids)
[6]	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

8035

Unit

Source

[1]

Unobserved

Value

206

Unit

Source

[1]

Normalized RMS of residuals

Value

0.239815

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2003-03-26.25997

Unit

Source

[2]

Last Observation

Value

2025-03-25.298717

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

5655 (10)

Unit

Source

[1]

Radar Summary

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

Radar

Value

Unit

Source

First Observation

Value

2012-07-15

Unit

Source

[3]

Last Observation

Value

2012-07-15

Unit

Source

[3]

Delay (Discarded)

Value

1 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[-]

Total Radar Observations (Discarded)

Value

1 (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 326732 Nice 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	1972-08-06 20:48	< 1 min	0.1406850	0.1406843	0.0000002
EARTH	2021-08-01 03:55	< 1 s	0.1697928	0.1697927	0.0000000

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
2.49480290	210.53418146	0.16506254	MINIMUM
359.29351679	24.34754411	2.14970462	SADDLE
179.71472256	25.12703070	3.27726819	SADDLE
179.96168169	205.25268762	5.27275066	MAXIMUM

Download:

MOID Plots

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