🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491

Radius: 8.1

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.82 AU - 0.96 AU

Year: 590 Days

Day: 14.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,822,177 km

• M1: 102,325 km (0.093 R)
• M2: 411,993 km (0.119 R)
• M3: 676,332 km (0.118 R)
• M4: 1,080,994 km (0.059 R)
• M5: 1,349,822 km (0.074 R)
• M6: 1,786,797 km (0.083 R)
• M7: 2,185,625 km (0.099 R)
• M8: 2,695,006 km (0.067 R)
• M9: 3,127,194 km (0.12 R)
• M10: 3,748,025 km (0.044 R)
• M11: 4,074,148 km (0.058 R)
• M12: 4,956,925 km (0.086 R)
• M13: 5,418,136 km (0.12 R)
• M14: 5,889,519 km (0.112 R)
• M15: 6,293,732 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.4

Radius: 8.2

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.43 AU - 1.49 AU

Year: 1240 Days

Day: 6.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,822,177 km

• M1: 102,175 km (0.077 R)
• M2: 375,640 km (0.069 R)
• M3: 895,942 km (0.088 R)
• M4: 1,682,976 km (0.095 R)
• M5: 2,071,183 km (0.119 R)
• M6: 3,241,038 km (0.1 R)
• M7: 6,185,872 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.2

Radius: 13.7

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.47 AU - 1.65 AU

Year: 1370 Days

Day: 6.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 167.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,822,177 km

• M1: 171,888 km (0.077 R)
• M2: 612,304 km (0.076 R)
• M3: 1,076,057 km (0.119 R)
• M4: 2,010,296 km (0.103 R)
• M5: 2,793,441 km (0.084 R)
• M6: 3,386,597 km (0.082 R)
• M7: 4,133,838 km (0.089 R)
• M8: 4,633,345 km (0.114 R)
• M9: 6,143,237 km (0.073 R)
• M10: 6,573,779 km (0.091 R)
• M11: 7,024,368 km (0.096 R)
• M12: 7,468,973 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.7

Radius: 8.6

Gravity: 11.93 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.27 AU - 2.45 AU

Year: 2548 Days

Day: 14.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,822,177 km

• M1: 106,962 km (0.116 R)
• M2: 398,978 km (0.052 R)
• M3: 842,984 km (0.06 R)
• M4: 1,189,453 km (0.08 R)
• M5: 1,492,688 km (0.09 R)
• M6: 3,177,459 km (0.106 R)
• M7: 3,634,480 km (0.039 R)
• M8: 4,261,744 km (0.104 R)
• M9: 4,959,020 km (0.101 R)
• M10: 6,131,269 km (0.041 R)
• M11: 6,694,804 km (0.083 R)
• M12: 7,354,082 km (0.114 R)
• M13: 8,457,366 km (0.087 R)
• M14: 9,013,122 km (0.084 R)
• M15: 10,005,854 km (0.12 R)
• M16: 10,667,375 km (0.082 R)
• M17: 11,274,892 km (0.07 R)
• M18: 11,566,159 km (0.12 R)
• M19: 12,077,335 km (0.099 R)
• M20: 13,144,716 km (0.104 R)
• M21: 13,514,073 km (0.12 R)
• M22: 15,826,108 km (0.093 R)
• M23: 19,739,738 km (0.045 R)
• M24: 20,408,291 km (0.106 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 731.1

Radius: 7.1

Gravity: 14.5 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 6.42 AU - 8.16 AU

Year: 13836 Days

Day: 15.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,822,177 km

• M1: 88,562 km (0.088 R)
• M2: 436,676 km (0.065 R)
• M3: 708,944 km (0.109 R)
• M4: 1,060,200 km (0.108 R)
• M5: 1,393,205 km (0.102 R)
• M6: 1,631,664 km (0.107 R)
• M7: 1,915,152 km (0.072 R)
• M8: 2,192,506 km (0.106 R)
• M9: 3,041,624 km (0.094 R)
• M10: 5,440,276 km (0.057 R)
• M11: 6,038,518 km (0.119 R)
• M12: 6,434,204 km (0.068 R)
• M13: 6,931,767 km (0.108 R)
• M14: 7,233,506 km (0.106 R)
• M15: 8,384,063 km (0.118 R)
• M16: 9,284,642 km (0.116 R)
• M17: 10,248,053 km (0.108 R)
• M18: 12,881,573 km (0.032 R)
• M19: 13,338,445 km (0.107 R)
• M20: 14,633,065 km (0.104 R)
• M21: 16,009,366 km (0.077 R)
• M22: 20,213,963 km (0.048 R)
• M23: 23,812,091 km (0.103 R)
• M24: 24,105,303 km (0.109 R)
• M25: 25,201,407 km (0.094 R)
• M26: 25,915,886 km (0.076 R)
• M27: 28,798,936 km (0.081 R)
• M28: 34,067,474 km (0.112 R)
• M29: 43,775,628 km (0.116 R)
• M30: 48,940,046 km (0.071 R)
• M31: 56,553,381 km (0.073 R)
• M32: 59,555,660 km (0.12 R)
• M33: 59,915,742 km (0.106 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 15,006 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit