🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.4

Radius: 14.1

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.45 AU - 0.59 AU

Year: 250 Days

Day: 12.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,608,131 km

• M1: 175,329 km (0.117 R)
• M2: 617,989 km (0.06 R)
• M3: 1,126,771 km (0.109 R)
• M4: 1,607,130 km (0.114 R)
• M5: 2,103,795 km (0.055 R)
• M6: 2,578,170 km (0.096 R)
• M7: 3,087,102 km (0.066 R)
• M8: 3,569,405 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.5

Radius: 13.1

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.62 AU - 0.94 AU

Year: 459 Days

Day: 12.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 151.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,608,131 km

• M1: 162,912 km (0.119 R)
• M2: 668,553 km (0.095 R)
• M3: 1,170,304 km (0.114 R)
• M4: 1,918,443 km (0.106 R)
• M5: 2,570,989 km (0.077 R)
• M6: 3,070,048 km (0.119 R)
• M7: 3,698,957 km (0.089 R)
• M8: 4,472,378 km (0.105 R)
• M9: 5,216,328 km (0.107 R)
• M10: 5,680,082 km (0.112 R)
• M11: 6,152,811 km (0.038 R)
• M12: 6,612,375 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.8

Radius: 8.8

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.61 AU - 0.97 AU

Year: 468 Days

Day: 14 Hours

Environment

Temp: -163 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,608,131 km

• M1: 110,702 km (0.105 R)
• M2: 399,576 km (0.104 R)
• M3: 1,394,851 km (0.075 R)
• M4: 1,671,307 km (0.119 R)
• M5: 2,075,670 km (0.1 R)
• M6: 3,038,183 km (0.045 R)
• M7: 3,781,984 km (0.099 R)
• M8: 4,398,028 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.4

Radius: 10.2

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.9 AU - 1.48 AU

Year: 866 Days

Day: 7.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,608,131 km

• M1: 127,158 km (0.083 R)
• M2: 617,540 km (0.031 R)
• M3: 1,594,863 km (0.056 R)
• M4: 2,094,370 km (0.106 R)
• M5: 2,489,757 km (0.102 R)
• M6: 3,234,007 km (0.078 R)
• M7: 4,730,733 km (0.105 R)
• M8: 5,050,424 km (0.095 R)
• M9: 5,482,762 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.5

Radius: 10.7

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.59 AU - 1.77 AU

Year: 1452 Days

Day: 7.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 164.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,608,131 km

• M1: 133,890 km (0.028 R)
• M2: 523,443 km (0.043 R)
• M3: 1,012,179 km (0.071 R)
• M4: 1,472,193 km (0.11 R)
• M5: 2,170,964 km (0.087 R)
• M6: 2,728,516 km (0.095 R)
• M7: 3,181,348 km (0.077 R)
• M8: 3,618,473 km (0.105 R)
• M9: 6,317,069 km (0.074 R)
• M10: 7,920,908 km (0.063 R)
• M11: 8,521,095 km (0.102 R)
• M12: 9,059,497 km (0.091 R)
• M13: 10,337,512 km (0.099 R)
• M14: 10,812,037 km (0.094 R)
• M15: 11,551,050 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904

Radius: 8.4

Gravity: 12.81 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.31 AU - 3.37 AU

Year: 4071 Days

Day: 8.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 23,608,131 km

• M1: 104,569 km (0.095 R)
• M2: 374,743 km (0.099 R)
• M3: 756,666 km (0.119 R)
• M4: 1,138,440 km (0.106 R)
• M5: 1,446,911 km (0.117 R)
• M6: 1,891,216 km (0.088 R)
• M7: 2,796,882 km (0.087 R)
• M8: 3,306,412 km (0.041 R)
• M9: 3,594,238 km (0.077 R)
• M10: 4,291,813 km (0.117 R)
• M11: 6,928,775 km (0.087 R)
• M12: 7,402,402 km (0.075 R)
• M13: 8,797,103 km (0.101 R)
• M14: 9,474,632 km (0.07 R)
• M15: 10,446,270 km (0.118 R)
• M16: 12,340,478 km (0.054 R)
• M17: 13,601,738 km (0.119 R)
• M18: 16,675,675 km (0.081 R)
• M19: 17,097,541 km (0.049 R)
• M20: 17,650,305 km (0.116 R)
• M21: 18,856,213 km (0.104 R)
• M22: 21,220,159 km (0.11 R)
• M23: 22,218,725 km (0.077 R)
• M24: 22,729,601 km (0.117 R)
• M25: 23,548,201 km (0.056 R)
• M26: 24,695,916 km (0.038 R)
• M27: 25,481,454 km (0.11 R)
• M28: 26,202,665 km (0.078 R)
• M29: 27,602,004 km (0.11 R)
• M30: 28,705,139 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.4

Radius: 14.7

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.23 AU - 3.83 AU

Year: 4423 Days

Day: 6.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,608,131 km

• M1: 182,809 km (0.062 R)
• M2: 680,670 km (0.111 R)
• M3: 1,213,239 km (0.092 R)
• M4: 1,785,451 km (0.059 R)
• M5: 2,871,830 km (0.07 R)
• M6: 3,871,443 km (0.11 R)
• M7: 5,473,786 km (0.115 R)
• M8: 6,152,512 km (0.082 R)
• M9: 7,712,219 km (0.115 R)
• M10: 8,183,303 km (0.104 R)
• M11: 12,176,519 km (0.086 R)
• M12: 15,555,336 km (0.107 R)
• M13: 16,255,604 km (0.12 R)
• M14: 16,976,815 km (0.116 R)
• M15: 23,119,603 km (0.04 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 16,068 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit