Asteroids

2368 Beltrovata help

Last update: 2025-11-24 19:20 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Amor

Perihelion (q)

1.235

Aphelion (Q)

2.975

Eccentricity (e)

0.413

Inclination (i)

5.2

deg

Orbit period (P)

1115.4

Earth MOID

0.23144

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)

15.2

mag

Diameter

3003

Taxonomic type

Rotation period (T)

5.900

Discovery Information

Discovery Date

1977-09-04

Observatory

Berne-Zimmerwald

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

2.104835

1-sigma variation

3.050E-9

Unit

Eccentricity (e)

Value

0.413448

1-sigma variation

5.349E-8

Unit

Inclination (i)

Value

5.2239

1-sigma variation

3.732E-6

Unit

Long. of Ascending Node (Ω)

Value

287.2917

1-sigma variation

3.835E-5

Unit

Arg. of Perihelion (ω)

Value

43.0460

1-sigma variation

3.948E-5

Unit

Mean Anomaly (M)

Value

287.81031

1-sigma variation

0.00002

Unit

Perihelion distance

Value

1.234594

1-sigma variation

Unit

Aphelion distance

Value

2.975075

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.321895

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.517508

1-sigma variation

Unit

MOID

Value

0.231444

1-sigma variation

Unit

Orbit Period

Value

1115.3866

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	9.29949E-18	8.25151E-17	-3.02417E-16	-4.83211E-15	1.88669E-14	-3.24205E-14
e	8.25151E-17	2.86170E-15	-3.05046E-15	-6.87288E-14	3.38241E-13	-6.03474E-13
i	-3.02417E-16	-3.05046E-15	1.39287E-11	2.60030E-11	-2.68698E-11	1.87050E-12
Ω	-4.83211E-15	-6.87288E-14	2.60030E-11	1.47092E-9	-1.47948E-9	2.95925E-11
ω	1.88669E-14	3.38241E-13	-2.68698E-11	-1.47948E-9	1.55869E-9	-1.47256E-10
M	-3.24205E-14	-6.03474E-13	1.87050E-12	2.95925E-11	-1.47256E-10	2.27934E-10

Date of computation: 2025-11-24 19:20 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

5.900

Unit

Source

[4]

Quality

Value

Unit

Source

[4]

Amplitude

Value

0.84

Unit

mag

Source

[4]

Rotation Direction

Value

Unit

Source

[-]

Spinvector L

Value

Unit

Source

[-]

Spinvector B

Value

Unit

Source

[-]

Taxonomy
Taxonomy (all)

Taxonomy

Value

Unit

Source

Taxonomy

Value

Scomp

Unit

Source

[1]

[2]

Taxonomy (all)

Value

Unit

Source

[3]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

15.184

Unit

mag

Source

[5]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[5]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.161

Unit

Source

[6]

Diameter

Value

3003

Unit

Source

[6]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

0.3739

0.83

0.52

Unit

g-r

B-V

U-B

Source

[1]

[7]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Unit

Source

[-]

Download this part as:

Sources

No.	Name	Additional
[1]	EARN	1.) A. V. Sergeyev, B. Carry et al A&A, 658 (2022) A109
[2]	EARN	1.) Michaël Marsset et al 2022 AJ 163 165
[3]	EARN	Earth Asteroids Research Node: https://earn.dlr.de
[4]	EARN	1.) Martin, L. & E. Bowell (1977) I.A.U. Circ. HREF="http://www.cbat.eps.harvard.edu/iauc/03100/0311.html"> 3111. (1977 RA - Rotation period) 2.) Erikson, A. et al. (2000) Icarus 147, 487-497. (The Near-Earth Objects Follow-Up Program III: 32 Lightcurves for 12 Objects from 1992 to 1995) (433,1917,2368,3753,4769, 4953,6491, 1995 EK1, 1995 FJ; 5738,7467,1995 LH)
[5]	ESA Aegis	ESA orbit determination and impact monitoring system
[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.) Veeder, G.J. et al. (1989) Astron. J. 97, 1211-1219. (Radiometry of near-earth asteroids) 3.) 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.) Degewij, J. et al. (1978) Astron. J. 83, 643-650. (Minor planets and related objects. XXV - UBV photometry of 145 faint asteroids)

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

17424

Unit

Source

[1]

Unobserved

Value

194

Unit

Source

[1]

Normalized RMS of residuals

Value

0.507433

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

1977-09-04.86134

Unit

Source

[2]

Last Observation

Value

2025-05-20.158581

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

2110 (6)

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

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
356.48840780	224.02939793	0.23144411	MINIMUM
179.71898586	48.48071557	1.98858110	SADDLE
358.93586157	47.84753269	2.22284034	SADDLE
179.31416891	228.21530855	3.98585605	MAXIMUM

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MOID Plots

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