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Minor planet follow-up portal
v. 3.15.2
1998 HH49
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Data
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Schedule Spectroscopic Observations
Type
NEO (Apollo) [PHA]
Status
Actively Following
Characterization Target
Source
Goldstone
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; (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
2023-10-18T01:26:00
2023-10-19T01:26:00
SIN
Req: 3358739
2023-10-18T02:03:00
2023-10-18T05:28:00
LSC
Req: 3358776
2023-10-18T03:34:00
2023-10-18T05:28:00
LSC
Req: 3358795
2023-10-18T04:46:00
2023-10-19T04:46:00
SIN
Req: 3358816
2023-10-19T05:06:00
2023-10-19T12:40:00
OGG
Req: 3359689
Measurements
Show Measurements
Plot Visibility
Last Update: 2024-Nov-23 07:09
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
60440.0
May 10, 2024
Orbital inclination in deg
8.42872
Longitude of Ascending Node (deg)
23.45594
Arg of perihelion (deg)
288.25758
Eccentricity
0.5036092
Mean distance (AU)
1.5579748
Mean Anomaly (deg)
128.67537
Absolute Magnitude (H)
21.49
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
179
Diameter in meters
(range)
86 - 669
Physical Parameters
Absolute Magnitude
autocmod 2.9e
E2023X25
21.38
+/- 0.83936
Diameter
Initial Diameter Guess using H=21.49 and albedo=0.14 (0.01 to 0.5)
MPC Default
178.84 m
+490.0 / -84.0
Follow-up Details
Number of observations
204
Arc length (days)
1095.00
Time since last observation (days)
158.95
Spectroscopy Details
LCO Spectrum
2023-10-19 (OGG)
Known Taxonomies
None
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