🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.2

Radius: 9.4

Gravity: 10.79 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.49 AU - 0.77 AU

Year: 339 Days

Day: 12.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,880,871 km

• M1: 116,986 km (0.112 R)
• M2: 420,520 km (0.119 R)
• M3: 724,054 km (0.116 R)
• M4: 1,075,908 km (0.082 R)
• M5: 1,470,098 km (0.067 R)
• M6: 1,790,387 km (0.117 R)
• M7: 2,423,785 km (0.057 R)
• M8: 2,885,893 km (0.06 R)
• M9: 3,429,382 km (0.047 R)
• M10: 4,132,492 km (0.077 R)
• M11: 4,462,056 km (0.119 R)
• M12: 4,943,910 km (0.074 R)
• M13: 5,525,098 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35

Radius: 11.4

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.74 AU - 1.14 AU

Year: 618 Days

Day: 8.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 21,880,871 km

• M1: 142,567 km (0.116 R)
• M2: 559,646 km (0.037 R)
• M3: 1,023,848 km (0.083 R)
• M4: 1,379,741 km (0.038 R)
• M5: 1,934,001 km (0.102 R)
• M6: 2,535,385 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.1

Radius: 12.1

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.22 AU - 1.46 AU

Year: 1052 Days

Day: 6.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,880,871 km

• M1: 154,385 km (0.11 R)
• M2: 574,007 km (0.099 R)
• M3: 1,038,508 km (0.12 R)
• M4: 1,494,184 km (0.09 R)
• M5: 2,053,530 km (0.113 R)
• M6: 2,750,058 km (0.081 R)
• M7: 3,954,919 km (0.109 R)
• M8: 4,438,270 km (0.111 R)
• M9: 5,131,357 km (0.118 R)
• M10: 6,173,605 km (0.087 R)
• M11: 7,624,854 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.5

Radius: 11.5

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.27 AU - 2.11 AU

Year: 1490 Days

Day: 6.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 21,880,871 km

• M1: 143,913 km (0.051 R)
• M2: 652,696 km (0.072 R)
• M3: 1,027,289 km (0.063 R)
• M4: 1,520,363 km (0.091 R)
• M5: 2,291,241 km (0.086 R)
• M6: 3,514,802 km (0.104 R)
• M7: 4,106,462 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.1

Radius: 13.8

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.42 AU - 3.8 AU

Year: 3720 Days

Day: 12.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 21,880,871 km

• M1: 171,738 km (0.07 R)
• M2: 673,938 km (0.106 R)
• M3: 1,382,284 km (0.06 R)
• M4: 1,822,700 km (0.095 R)
• M5: 2,419,446 km (0.108 R)
• M6: 3,372,086 km (0.085 R)
• M7: 5,563,545 km (0.081 R)
• M8: 7,088,994 km (0.047 R)
• M9: 9,616,002 km (0.11 R)
• M10: 10,907,779 km (0.038 R)
• M11: 15,042,515 km (0.105 R)
• M12: 15,533,944 km (0.111 R)
• M13: 16,149,090 km (0.111 R)
• M14: 17,072,857 km (0.112 R)
• M15: 18,276,821 km (0.075 R)
• M16: 19,536,584 km (0.115 R)
• M17: 21,056,050 km (0.089 R)
• M18: 23,154,609 km (0.101 R)
• M19: 24,779,840 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.6

Radius: 14.8

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.27 AU - 3.55 AU

Year: 4271 Days

Day: 9.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,880,871 km

• M1: 249,679 km (0.109 R)
• M2: 883,226 km (0.093 R)
• M3: 1,394,252 km (0.118 R)
• M4: 2,349,734 km (0.099 R)
• M5: 3,538,289 km (0.037 R)
• M6: 4,194,126 km (0.098 R)
• M7: 9,234,976 km (0.106 R)
• M8: 11,546,712 km (0.093 R)
• M9: 14,076,860 km (0.057 R)
• M10: 21,211,332 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.9

Radius: 13.5

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.74 AU - 4.98 AU

Year: 6175 Days

Day: 8.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 104.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 21,880,871 km

• M1: 167,998 km (0.108 R)
• M2: 754,123 km (0.113 R)
• M3: 1,197,980 km (0.1 R)
• M4: 2,226,615 km (0.057 R)
• M5: 2,660,299 km (0.088 R)
• M6: 3,455,711 km (0.025 R)
• M7: 4,695,578 km (0.107 R)
• M8: 6,698,394 km (0.025 R)
• M9: 7,873,785 km (0.096 R)
• M10: 8,719,162 km (0.096 R)
• M11: 9,364,677 km (0.086 R)
• M12: 9,888,718 km (0.118 R)
• M13: 13,786,790 km (0.109 R)
• M14: 14,813,929 km (0.116 R)
• M15: 15,320,617 km (0.11 R)
• M16: 15,786,465 km (0.097 R)
• M17: 17,241,454 km (0.063 R)
• M18: 18,549,837 km (0.057 R)
• M19: 19,498,437 km (0.097 R)
• M20: 21,750,782 km (0.102 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 13,361 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit