Login
L
as
C
umbres
O
bservatory
Minor planet follow-up portal
v. 3.17.1
11398 (1998 YP11)
Home
Targets
Active
Candidates
Characterization
LOOK Project
Standards
Blocks
Data
Schedule Observations
Schedule Spectroscopic Observations
Type
NEO (Amor)
Status
Actively Following
Characterization Target
Source
LCOGT
UTC date
------------ Any 1.0m ------------
LSC 1.0m - W85-87; (CTIO, Chile)
ELP 1.0m - V37,V39; (McDonald, Texas)
COJ 1.0m - Q63-64; (Siding Spring, Aust.)
CPT 1.0m - K91-93; (Sutherland, S. Africa)
TFN 1.0m - Z31,Z24; (Tenerife, Spain)
------------ Any 0.4m ------------
LSC 0.4m - W89,W79; (CTIO, Chile)
ELP 0.4m - V38,V45,V47; (McDonald, Texas)
OGG 0.4m - T03-04; (Maui, Hawaii)
COJ 0.4m - Q58-59; (Siding Spring, Aust.)
CPT 0.4m - L09; (Sutherland, S. Africa)
TFN 0.4m - Z17,Z21; (Tenerife, Spain)
------------ Any 2.0m ------------
FTS 2.0m - E10; (Siding Spring, Aust.) [MuSCAT4]
FTN 2.0m - F65; (Maui, Hawaii ) [MuSCAT3]
------------ Non LCO ------------
Mt John 1.8m - 474 (Mt John, NZ)
Site
Min Altitude
Check Spectroscopic Feasibility
Create LC Plot
Recent Blocks Scheduled
2026-01-14T04:50:00
2026-01-14T11:12:00
ELP
Req: 4083006
2026-01-14T04:50:00
2026-01-14T11:12:00
ELP
Req: 4083007
2026-01-17T04:34:00
2026-01-17T11:00:00
ELP
Req: 4085389
2026-01-17T04:34:00
2026-01-17T11:00:00
ELP
Req: 4085388
Measurements
Show Measurements
Plot Visibility
Last Update: 2026-Apr-11 08:04
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
61141.0
April 11, 2026
Orbital inclination in deg
15.022
Longitude of Ascending Node (deg)
144.70999
Arg of perihelion (deg)
74.77753
Eccentricity
0.3890486
Mean distance (AU)
1.7208951
Mean Anomaly (deg)
343.22887
Absolute Magnitude (H)
16.39
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
1873
Diameter in meters
(range)
905 - 7007
Physical Parameters
Absolute Magnitude
E2026-EA1
16.36
Albedo
urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)
0.318
+/- 0.095
Rotation Period
REFERENCE LIST:[Pravec, P.; et al. (2005) Icarus 173, 108-131.], [Warner, B.D. (2008) Minor Planet Bull. 35, 163-167.], [Warner, B.D. (2017) Minor Planet Bull. 44, 223-237.], [Warner, B.D. (2017) Minor Planet Bull. 44, 335-344.]
LCDB (Rev. 2023-October); Warner et al., 2009
38.6 h
Diameter
urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)
1.316 km
+/- 0.349
Follow-up Details
Number of observations
3719
Arc length (days)
7670.00
Time since last observation (days)
2.88
Spectroscopy Details
(Plots)
SMASS Spectra
NIR
Known Taxonomies
None
×
No messages.