🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.1

Radius: 9.3

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.6 AU - 0.62 AU

Year: 318 Days

Day: 7.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,729,520 km

• M1: 115,639 km (0.11 R)
• M2: 472,280 km (0.093 R)
• M3: 1,050,925 km (0.094 R)
• M4: 1,370,316 km (0.109 R)
• M5: 1,985,164 km (0.028 R)
• M6: 2,343,750 km (0.118 R)
• M7: 2,736,145 km (0.092 R)
• M8: 3,048,805 km (0.089 R)
• M9: 3,688,485 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.3

Radius: 9.5

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.69 AU - 1.01 AU

Year: 523 Days

Day: 9.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,729,520 km

• M1: 118,182 km (0.094 R)
• M2: 546,930 km (0.103 R)
• M3: 1,124,228 km (0.098 R)
• M4: 1,737,130 km (0.105 R)
• M5: 2,484,671 km (0.041 R)
• M6: 3,121,509 km (0.092 R)
• M7: 3,478,898 km (0.093 R)
• M8: 4,619,433 km (0.028 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.1

Radius: 10.4

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.12 AU - 1.18 AU

Year: 822 Days

Day: 12.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,729,520 km

• M1: 133,591 km (0.079 R)
• M2: 462,706 km (0.114 R)
• M3: 1,151,754 km (0.115 R)
• M4: 1,491,640 km (0.075 R)
• M5: 2,306,799 km (0.075 R)
• M6: 2,652,969 km (0.115 R)
• M7: 3,326,458 km (0.084 R)
• M8: 3,755,954 km (0.097 R)
• M9: 4,503,644 km (0.1 R)
• M10: 5,159,631 km (0.096 R)
• M11: 5,757,274 km (0.116 R)
• M12: 6,251,097 km (0.106 R)
• M13: 6,595,920 km (0.09 R)
• M14: 7,137,015 km (0.085 R)
• M15: 7,490,216 km (0.108 R)
• M16: 8,359,679 km (0.062 R)
• M17: 8,832,408 km (0.091 R)
• M18: 9,378,440 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.7

Radius: 14.1

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.4 AU - 2.12 AU

Year: 1557 Days

Day: 7.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,729,520 km

• M1: 177,872 km (0.115 R)
• M2: 1,197,381 km (0.087 R)
• M3: 1,652,757 km (0.088 R)
• M4: 3,187,781 km (0.053 R)
• M5: 3,848,704 km (0.044 R)
• M6: 5,249,988 km (0.03 R)
• M7: 5,699,978 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442

Radius: 12.9

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.4 AU - 3.86 AU

Year: 3693 Days

Day: 13.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,729,520 km

• M1: 160,668 km (0.11 R)
• M2: 725,998 km (0.045 R)
• M3: 1,197,830 km (0.114 R)
• M4: 1,914,105 km (0.093 R)
• M5: 2,385,338 km (0.087 R)
• M6: 3,187,332 km (0.047 R)
• M7: 3,758,048 km (0.112 R)
• M8: 4,267,429 km (0.097 R)
• M9: 4,753,622 km (0.111 R)
• M10: 5,527,043 km (0.105 R)
• M11: 6,439,141 km (0.116 R)
• M12: 7,081,215 km (0.049 R)
• M13: 7,927,042 km (0.108 R)
• M14: 12,523,137 km (0.114 R)
• M15: 14,189,956 km (0.047 R)
• M16: 15,791,850 km (0.088 R)
• M17: 17,511,328 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.9

Radius: 10

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.9 AU - 4.74 AU

Year: 4979 Days

Day: 8.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 26,729,520 km

• M1: 124,465 km (0.047 R)
• M2: 472,580 km (0.089 R)
• M3: 854,653 km (0.117 R)
• M4: 1,193,342 km (0.088 R)
• M5: 1,574,667 km (0.06 R)
• M6: 1,951,953 km (0.115 R)
• M7: 2,538,227 km (0.05 R)
• M8: 3,810,108 km (0.099 R)
• M9: 4,156,128 km (0.102 R)
• M10: 4,965,453 km (0.101 R)
• M11: 6,532,191 km (0.113 R)
• M12: 7,098,269 km (0.079 R)
• M13: 11,441,096 km (0.116 R)
• M14: 11,920,557 km (0.063 R)
• M15: 13,074,405 km (0.112 R)
• M16: 13,545,489 km (0.098 R)
• M17: 14,082,246 km (0.103 R)
• M18: 15,370,732 km (0.038 R)
• M19: 17,229,636 km (0.112 R)
• M20: 18,180,928 km (0.097 R)
• M21: 21,605,373 km (0.083 R)
• M22: 24,795,997 km (0.073 R)
• M23: 25,844,079 km (0.051 R)
• M24: 28,988,327 km (0.088 R)
• M25: 29,790,022 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.3

Radius: 11.1

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.61 AU - 4.55 AU

Year: 5496 Days

Day: 8.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,729,520 km

• M1: 138,827 km (0.089 R)
• M2: 661,372 km (0.099 R)
• M3: 3,228,322 km (0.12 R)
• M4: 4,052,307 km (0.074 R)
• M5: 4,442,608 km (0.078 R)
• M6: 5,326,432 km (0.045 R)
• M7: 5,997,379 km (0.104 R)
• M8: 10,355,613 km (0.088 R)
• M9: 11,446,331 km (0.107 R)
• M10: 13,050,469 km (0.053 R)
• M11: 21,183,956 km (0.11 R)
• M12: 23,885,694 km (0.117 R)
• M13: 25,783,642 km (0.112 R)
• M14: 26,174,990 km (0.108 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 10,701 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit