🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.6

Radius: 14.3

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.49 AU - 0.63 AU

Year: 295 Days

Day: 10.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,649,411 km

• M1: 177,872 km (0.081 R)
• M2: 635,342 km (0.106 R)
• M3: 1,950,756 km (0.098 R)
• M4: 2,405,384 km (0.108 R)
• M5: 3,314,341 km (0.077 R)
• M6: 4,350,007 km (0.11 R)
• M7: 4,809,572 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.9

Radius: 8.7

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.78 AU - 2.04 AU

Year: 1855 Days

Day: 8 Hours

Environment

Temp: -197 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,649,411 km

• M1: 108,159 km (0.112 R)
• M2: 379,679 km (0.106 R)
• M3: 919,728 km (0.071 R)
• M4: 1,239,867 km (0.101 R)
• M5: 2,291,391 km (0.117 R)
• M6: 3,140,359 km (0.066 R)
• M7: 3,896,426 km (0.074 R)
• M8: 5,745,456 km (0.051 R)
• M9: 6,758,383 km (0.089 R)
• M10: 7,513,254 km (0.075 R)
• M11: 8,587,965 km (0.086 R)
• M12: 9,302,594 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.1

Radius: 12.1

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.33 AU - 3.09 AU

Year: 3136 Days

Day: 14.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,649,411 km

• M1: 151,243 km (0.119 R)
• M2: 843,882 km (0.071 R)
• M3: 1,272,629 km (0.119 R)
• M4: 1,665,024 km (0.082 R)
• M5: 3,403,651 km (0.106 R)
• M6: 4,135,035 km (0.047 R)
• M7: 4,527,430 km (0.075 R)
• M8: 5,337,203 km (0.063 R)
• M9: 5,830,577 km (0.071 R)
• M10: 6,671,467 km (0.065 R)
• M11: 7,400,906 km (0.101 R)
• M12: 8,421,163 km (0.112 R)
• M13: 10,943,982 km (0.096 R)
• M14: 12,625,013 km (0.051 R)
• M15: 15,177,003 km (0.081 R)
• M16: 16,492,866 km (0.108 R)
• M17: 18,754,487 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.2

Radius: 9.1

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.8 AU - 3.94 AU

Year: 4349 Days

Day: 14.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,649,411 km

• M1: 113,395 km (0.068 R)
• M2: 588,368 km (0.115 R)
• M3: 915,240 km (0.111 R)
• M4: 1,372,860 km (0.118 R)
• M5: 1,664,426 km (0.085 R)
• M6: 2,409,423 km (0.082 R)
• M7: 2,877,066 km (0.034 R)
• M8: 4,996,270 km (0.033 R)
• M9: 5,697,435 km (0.118 R)
• M10: 6,093,271 km (0.118 R)
• M11: 8,041,783 km (0.079 R)
• M12: 9,512,929 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473

Radius: 13.5

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.3 AU - 4.7 AU

Year: 6710 Days

Day: 7.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,649,411 km

• M1: 169,345 km (0.035 R)
• M2: 642,972 km (0.116 R)
• M3: 1,662,481 km (0.058 R)
• M4: 3,014,547 km (0.105 R)
• M5: 3,853,342 km (0.08 R)
• M6: 4,842,333 km (0.103 R)
• M7: 5,963,420 km (0.12 R)
• M8: 6,438,244 km (0.118 R)
• M9: 7,075,979 km (0.119 R)
• M10: 7,829,653 km (0.068 R)
• M11: 8,755,814 km (0.118 R)
• M12: 11,153,419 km (0.07 R)
• M13: 14,973,251 km (0.114 R)
• M14: 16,095,085 km (0.109 R)
• M15: 16,831,855 km (0.115 R)
• M16: 20,076,782 km (0.083 R)
• M17: 21,440,217 km (0.113 R)
• M18: 22,257,321 km (0.11 R)
• M19: 24,351,093 km (0.079 R)
• M20: 25,569,567 km (0.101 R)
• M21: 26,913,555 km (0.112 R)
• M22: 27,429,518 km (0.103 R)
• M23: 29,742,151 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612

Radius: 11.8

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.4 AU - 5.74 AU

Year: 8025 Days

Day: 7.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,649,411 km

• M1: 146,756 km (0.115 R)
• M2: 695,780 km (0.068 R)
• M3: 1,066,184 km (0.117 R)
• M4: 1,485,208 km (0.09 R)
• M5: 1,908,719 km (0.026 R)
• M6: 2,378,307 km (0.042 R)
• M7: 2,844,304 km (0.059 R)
• M8: 4,270,570 km (0.113 R)
• M9: 4,734,324 km (0.052 R)
• M10: 5,171,449 km (0.115 R)
• M11: 6,647,531 km (0.057 R)
• M12: 7,310,549 km (0.063 R)
• M13: 7,776,845 km (0.086 R)
• M14: 8,221,600 km (0.117 R)
• M15: 9,385,770 km (0.089 R)
• M16: 14,726,115 km (0.1 R)
• M17: 15,095,622 km (0.082 R)
• M18: 18,635,407 km (0.084 R)
• M19: 20,104,009 km (0.119 R)
• M20: 21,807,031 km (0.059 R)
• M21: 25,059,439 km (0.094 R)
• M22: 25,586,921 km (0.081 R)
• M23: 26,938,238 km (0.094 R)
• M24: 28,813,298 km (0.068 R)
• M25: 35,287,595 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 169.6

Radius: 4.3

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 9.75 AU - 10.01 AU

Year: 21829 Days

Day: 20.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,649,411 km

• M1: 54,304 km (0.071 R)
• M2: 1,419,534 km (0.093 R)
• M3: 1,575,415 km (0.111 R)
• M4: 2,355,568 km (0.078 R)
• M5: 2,873,775 km (0.105 R)
• M6: 3,315,986 km (0.042 R)
• M7: 5,510,288 km (0.112 R)
• M8: 9,325,183 km (0.08 R)
• M9: 11,880,016 km (0.109 R)
• M10: 14,533,583 km (0.049 R)
• M11: 16,602,521 km (0.107 R)
• M12: 21,313,358 km (0.117 R)
• M13: 36,937,958 km (0.085 R)
• M14: 40,097,764 km (0.085 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 11,305 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit