🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.6

Radius: 11.2

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.39 AU - 0.63 AU

Year: 247 Days

Day: 11.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,665,755 km

• M1: 140,173 km (0.103 R)
• M2: 553,363 km (0.103 R)
• M3: 1,061,546 km (0.065 R)
• M4: 1,511,238 km (0.058 R)
• M5: 1,920,388 km (0.118 R)
• M6: 2,411,667 km (0.061 R)
• M7: 2,787,906 km (0.061 R)
• M8: 3,193,765 km (0.107 R)
• M9: 3,575,988 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.3

Radius: 10

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.5 AU - 0.54 AU

Year: 254 Days

Day: 9.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,665,755 km

• M1: 124,316 km (0.089 R)
• M2: 528,230 km (0.12 R)
• M3: 889,359 km (0.037 R)
• M4: 1,344,735 km (0.068 R)
• M5: 1,686,866 km (0.117 R)
• M6: 2,004,163 km (0.103 R)
• M7: 2,481,679 km (0.072 R)
• M8: 2,924,938 km (0.115 R)
• M9: 3,409,635 km (0.107 R)
• M10: 3,781,385 km (0.091 R)
• M11: 4,192,780 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.6

Radius: 14.4

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.52 AU - 0.58 AU

Year: 277 Days

Day: 12.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,665,755 km

• M1: 179,069 km (0.11 R)
• M2: 635,791 km (0.12 R)
• M3: 1,152,203 km (0.108 R)
• M4: 1,643,781 km (0.081 R)
• M5: 2,402,691 km (0.119 R)
• M6: 3,006,917 km (0.107 R)
• M7: 3,821,178 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.8

Radius: 8

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.59 AU - 0.67 AU

Year: 339 Days

Day: 9 Hours

Environment

Temp: -155 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,665,755 km

• M1: 99,483 km (0.116 R)
• M2: 388,506 km (0.12 R)
• M3: 705,354 km (0.101 R)
• M4: 1,102,237 km (0.11 R)
• M5: 1,371,064 km (0.102 R)
• M6: 1,683,874 km (0.03 R)
• M7: 1,982,172 km (0.116 R)
• M8: 2,350,033 km (0.072 R)
• M9: 2,811,842 km (0.09 R)
• M10: 3,388,242 km (0.106 R)
• M11: 4,444,403 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.3

Radius: 10.5

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.67 AU - 2.55 AU

Year: 2079 Days

Day: 8.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,665,755 km

• M1: 133,890 km (0.086 R)
• M2: 499,208 km (0.117 R)
• M3: 1,060,350 km (0.034 R)
• M4: 1,640,341 km (0.083 R)
• M5: 2,544,510 km (0.118 R)
• M6: 3,639,267 km (0.114 R)
• M7: 5,561,600 km (0.026 R)
• M8: 6,161,338 km (0.071 R)
• M9: 6,560,615 km (0.073 R)
• M10: 7,179,202 km (0.083 R)
• M11: 7,675,119 km (0.081 R)
• M12: 10,114,312 km (0.073 R)
• M13: 12,098,877 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.4

Radius: 8.7

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.84 AU - 4.06 AU

Year: 4346 Days

Day: 7.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,665,755 km

• M1: 111,899 km (0.114 R)
• M2: 463,753 km (0.064 R)
• M3: 973,284 km (0.089 R)
• M4: 1,789,041 km (0.077 R)
• M5: 2,677,054 km (0.11 R)
• M6: 3,675,171 km (0.119 R)
• M7: 4,205,196 km (0.105 R)
• M8: 4,624,220 km (0.106 R)
• M9: 5,022,449 km (0.115 R)
• M10: 7,620,516 km (0.109 R)
• M11: 12,679,467 km (0.065 R)
• M12: 13,887,769 km (0.103 R)
• M13: 16,639,771 km (0.09 R)
• M14: 16,911,590 km (0.064 R)
• M15: 20,784,679 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.1

Radius: 14.7

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.31 AU - 4.75 AU

Year: 5487 Days

Day: 5.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,665,755 km

• M1: 182,809 km (0.102 R)
• M2: 641,476 km (0.096 R)
• M3: 1,170,603 km (0.098 R)
• M4: 1,647,222 km (0.034 R)
• M5: 3,220,992 km (0.07 R)
• M6: 3,724,089 km (0.083 R)
• M7: 4,541,941 km (0.1 R)
• M8: 5,046,385 km (0.09 R)
• M9: 5,644,627 km (0.072 R)
• M10: 6,599,510 km (0.037 R)
• M11: 7,555,590 km (0.078 R)
• M12: 9,784,449 km (0.119 R)
• M13: 10,501,172 km (0.099 R)
• M14: 11,028,056 km (0.068 R)
• M15: 15,504,772 km (0.115 R)
• M16: 16,016,098 km (0.106 R)
• M17: 17,802,446 km (0.118 R)
• M18: 22,123,281 km (0.088 R)
• M19: 25,969,293 km (0.099 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.8

Radius: 13.5

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.47 AU - 5.75 AU

Year: 6713 Days

Day: 11 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,665,755 km

• M1: 167,998 km (0.088 R)
• M2: 590,164 km (0.081 R)
• M3: 1,290,431 km (0.083 R)
• M4: 2,421,840 km (0.119 R)
• M5: 3,165,790 km (0.099 R)
• M6: 3,906,449 km (0.025 R)
• M7: 5,081,092 km (0.119 R)
• M8: 5,510,737 km (0.076 R)
• M9: 6,338,911 km (0.099 R)
• M10: 7,172,769 km (0.065 R)
• M11: 9,192,789 km (0.115 R)
• M12: 10,407,075 km (0.108 R)
• M13: 12,425,450 km (0.09 R)
• M14: 14,206,861 km (0.043 R)
• M15: 14,754,539 km (0.106 R)
• M16: 17,292,616 km (0.114 R)
• M17: 18,342,195 km (0.106 R)
• M18: 19,433,960 km (0.03 R)
• M19: 20,261,685 km (0.105 R)
• M20: 21,034,358 km (0.11 R)
• M21: 24,932,430 km (0.101 R)
• M22: 28,705,587 km (0.079 R)
• M23: 34,234,725 km (0.093 R)
• M24: 36,112,627 km (0.113 R)
• M25: 39,473,044 km (0.032 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.6

Radius: 5.4

Gravity: 13.74 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.89 AU - 8.61 AU

Year: 14633 Days

Day: 16 Hours

Environment

Temp: -222 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,665,755 km

• M1: 67,618 km (0.079 R)
• M2: 558,748 km (0.089 R)
• M3: 1,140,235 km (0.074 R)
• M4: 2,185,924 km (0.045 R)
• M5: 2,702,037 km (0.1 R)
• M6: 3,623,410 km (0.107 R)
• M7: 5,056,857 km (0.041 R)
• M8: 5,809,334 km (0.113 R)
• M9: 7,491,113 km (0.107 R)
• M10: 9,825,439 km (0.049 R)
• M11: 12,364,563 km (0.099 R)
• M12: 12,907,903 km (0.098 R)
• M13: 26,386,671 km (0.112 R)
• M14: 28,935,370 km (0.099 R)
• M15: 38,186,352 km (0.088 R)
• M16: 39,207,358 km (0.073 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 11,169 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit