Asteroids

2021RN14

Last update: 2021-09-17 23:50 UTC

Orbital Properties

Epoch

59400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.721

Aphelion (Q)

1.791

Eccentricity (e)

0.426

Inclination (i)

2.6

deg

Orbit period (P)

514

days

Earth MOID

0.00475

Next Earth close approach

Date

2021-09-19

Nominal distance (from Earth center)

0.00492

735645

Maximum Brightness

Orbit Visualiser

Click the button to start Orbit Visualiser

Risk

Object is in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

Diameter

14*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2021-09-13

Observatory

Mt. Lemmon Survey

External links

Proper elements

Epoch

Near present day

Near middle of observation arc

Orbit properties

Epoch
Semimajor Axis
Eccentricity (e)
Inclination (i)
Ascending Node (Ω)
Arg. of Perihelion (ω)
Mean Anomaly (M)
Perihelion
Aphelion
Asc. Node-Earth Sep.
Desc. Node-Earth Sep.
MOID
Orbit Period

Value

1-sigma variation

Unit

Epoch

Value

59400.0

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.26

1-sigma variation

7.28762E-4

Unit

Eccentricity (e)

Value

0.426209165070371

1-sigma variation

5.21342E-4

Unit

Inclination (i)

Value

2.55

1-sigma variation

3.123E-3

Unit

Ascending Node (Ω)

Value

3.03

1-sigma variation

1.810E-3

Unit

Arg. of Perihelion (ω)

Value

80.8

1-sigma variation

2.711E-3

Unit

Mean Anomaly (M)

Value

265.71

1-sigma variation

0.100027

Unit

Perihelion

Value

7.205E-1

1-sigma variation

Unit

Aphelion

Value

1.79

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-4.092E-2

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.052E-1

1-sigma variation

Unit

MOID

Value

4.754E-3

1-sigma variation

Unit

Orbit Period

Value

513.98

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.31095E-7	3.79910E-7	2.26537E-6	-2.44735E-8	-9.36860E-7	7.28955E-5
e	3.79910E-7	2.71798E-7	1.62222E-6	-2.77980E-8	-6.56259E-7	5.21456E-5
i	2.26537E-6	1.62222E-6	9.75378E-6	-6.49139E-7	-3.27967E-6	3.10984E-4
Ω	-2.44735E-8	-2.77980E-8	-6.49139E-7	3.27710E-6	-4.25518E-6	-3.65717E-6
ω	-9.36860E-7	-6.56259E-7	-3.27967E-6	-4.25518E-6	7.34960E-6	-1.28198E-4
M	7.28955E-5	5.21456E-5	3.10984E-4	-3.65717E-6	-1.28198E-4	1.00053E-2

Date of computation: 2021-09-17 13:41 UTC

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)

Taxononomy

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

26.958

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

Unit

Source

[-]

Diameter

Value

14*

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

[-]

Sources

No.	Name	Additional
[1]	ESA ODIM	ESA orbit determination and impact monitoring system
[2]	Estimation	Estimated from absolute magnitude

**Estimated value

Observational Information

Arc Length
Unobserved

Arc Information

Value

Unit

Source

Arc Length

Value

Unit

days

Source

[1]

Unobserved

Value

Unit

days

Source

[1]

Astrometry Summary

RMS of Residuals
First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

RMS of Residuals

Value

0.415188

Unit

arcseconds

Source

[1]

First Observation

Value

2021-09-13.27429

Unit

Source

[2]

Last Observation

Value

2021-09-17.13415

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

32 (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

[3]

Last Observation

Value

Unit

Source

[3]

Delay (Discarded)

Value

0 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[1]

Note: The ASCII file is in a format suitable for OrbFit input.

Sources

No.	Name	Additional
[1]	ESA ODIM	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 2021RN14 from 1950 to 2150

Body	Date	MJD	Nominal distance (au)	Min possible distance (au)	Stretching (au)	Width (au)	Close approach probability
EARTH	1967-02-06.98323	39528.0	0.1880879	0.1409410	1.375E-2	5.535E-7	6.44E-1
EARTH	1974-03-04.47741	42110.5	0.0736618	0.0583982	4.617E-3	6.384E-7	1.00E0
EARTH	1981-03-12.12800	44675.1	0.0413752	0.0109501	1.383E-2	1.201E-6	1.00E0
EARTH	1983-09-11.02623	45588.0	0.1622331	0.1082891	1.500E-2	7.076E-7	9.20E-1
VENUS	1983-11-21.65858	45659.7	0.0430140	0.0178573	1.353E-2	1.111E-6	5.91E-1
EARTH	1990-09-25.57386	48159.6	0.0706476	0.0430722	7.430E-3	3.065E-7	1.00E0
EARTH	2012-03-05.74665	55991.7	0.0550514	0.0107261	4.651E-2	1.379E-6	1.00E0
EARTH	2019-03-20.43026	58562.4	0.1822039	0.1245659	1.620E-2	9.305E-7	6.83E-1
EARTH	2021-09-19.96622	59477.0	0.0049175	0.0048994	6.056E-6	8.776E-8	1.00E0
EARTH	2028-09-23.26443	62037.3	0.0481747	0.0046728	3.741E-2	6.248E-7	1.00E0
EARTH	2035-10-05.59796	64605.6	0.1386372	0.0046174	3.253E-2	9.140E-7	8.15E-1
MARS	2041-03-11.43375	66589.4	0.0279384	0.0029224	2.186E-2	4.007E-6	6.69E-1
VENUS	2052-10-16.40245	70826.4	0.0441902	0.0193691	1.427E-2	1.130E-6	5.72E-1
EARTH	2064-02-21.38408	74971.4	0.1512963	0.0621226	2.098E-2	1.375E-6	8.87E-1
EARTH	2071-03-15.95698	77551.0	0.0858821	0.0103719	1.464E-2	1.333E-6	1.00E0
EARTH	2073-09-16.03250	78466.0	0.0773436	0.0556818	6.224E-3	1.108E-6	1.00E0
EARTH	2080-10-11.90080	81048.9	0.1615544	0.1251203	1.082E-2	1.132E-6	1.00E0
EARTH	2102-03-07.87732	88864.9	0.0594036	0.0100368	4.546E-2	1.974E-6	1.00E0
EARTH	2109-03-19.23082	91433.2	0.1297319	0.0829081	1.284E-2	1.666E-6	1.00E0
EARTH	2111-09-18.20546	92346.2	0.0688266	0.0663983	7.994E-4	1.503E-6	1.00E0
EARTH	2118-09-27.93027	94912.9	0.0747851	0.0036513	3.919E-2	9.315E-7	1.00E0

Download as:

2021RN14

Date	MJD	σ	σ_imp	Distance ± Width (RE)	Stretching (RE/σ)	IP	Exp. Energy (MT)	PS	TS
2119-09-24.128	95274.128	-1.611	0.000	0.93 ± 0.683	6.49E7	2.73E-9	2.88E-10	-9.81	0


Based on 26 optical observations (of which 0 are rejected as outliers) from 2021/09/13.274 to 2021/09/14.311.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.36 and 1.36 Earth radii. Coordinates for LOV = EQU scaled= 1 second= F.
AstOD software version= 2.0, Date of computation=20210915 174201.714 UTC.

Download this part as:

Download Impactor Table as: