🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.4

Radius: 8.7

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.95 AU - 1.37 AU

Year: 807 Days

Day: 13.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,191,606 km

• M1: 108,309 km (0.113 R)
• M2: 379,081 km (0.088 R)
• M3: 653,593 km (0.048 R)
• M4: 992,731 km (0.069 R)
• M5: 1,496,577 km (0.107 R)
• M6: 1,860,549 km (0.101 R)
• M7: 2,240,079 km (0.115 R)
• M8: 3,014,098 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.4

Radius: 8.2

Gravity: 11 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.33 AU - 1.35 AU

Year: 1002 Days

Day: 5.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,191,606 km

• M1: 102,026 km (0.112 R)
• M2: 563,984 km (0.07 R)
• M3: 1,027,438 km (0.1 R)
• M4: 1,383,481 km (0.07 R)
• M5: 1,683,275 km (0.039 R)
• M6: 2,046,948 km (0.067 R)
• M7: 2,641,450 km (0.109 R)
• M8: 2,959,644 km (0.076 R)
• M9: 3,289,059 km (0.071 R)
• M10: 3,704,193 km (0.089 R)
• M11: 5,378,941 km (0.079 R)
• M12: 5,766,400 km (0.108 R)
• M13: 6,085,342 km (0.101 R)
• M14: 6,416,103 km (0.083 R)
• M15: 7,017,786 km (0.118 R)
• M16: 8,360,127 km (0.099 R)
• M17: 9,836,060 km (0.071 R)
• M18: 10,261,367 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.2

Radius: 8.2

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.81 AU - 2.67 AU

Year: 2165 Days

Day: 14.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 92.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,191,606 km

• M1: 102,175 km (0.102 R)
• M2: 377,884 km (0.078 R)
• M3: 740,210 km (0.077 R)
• M4: 2,250,102 km (0.06 R)
• M5: 3,008,563 km (0.07 R)
• M6: 4,960,217 km (0.109 R)
• M7: 5,420,679 km (0.092 R)
• M8: 5,705,962 km (0.039 R)
• M9: 5,978,081 km (0.065 R)
• M10: 7,633,979 km (0.105 R)
• M11: 7,965,039 km (0.084 R)
• M12: 9,480,167 km (0.082 R)
• M13: 10,058,063 km (0.098 R)
• M14: 10,355,763 km (0.11 R)
• M15: 10,830,587 km (0.104 R)
• M16: 11,787,115 km (0.118 R)
• M17: 12,267,175 km (0.12 R)
• M18: 12,953,530 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.7

Radius: 14.5

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.72 AU - 2.84 AU

Year: 2223 Days

Day: 11 Hours

Environment

Temp: -191 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,191,606 km

• M1: 181,013 km (0.119 R)
• M2: 673,041 km (0.109 R)
• M3: 1,223,262 km (0.105 R)
• M4: 1,775,128 km (0.116 R)
• M5: 2,518,480 km (0.103 R)
• M6: 3,090,692 km (0.071 R)
• M7: 3,556,390 km (0.084 R)
• M8: 4,227,636 km (0.1 R)
• M9: 5,103,083 km (0.088 R)
• M10: 7,661,805 km (0.058 R)
• M11: 8,816,102 km (0.102 R)
• M12: 10,083,196 km (0.043 R)
• M13: 10,710,160 km (0.106 R)
• M14: 11,717,403 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.8

Radius: 9.4

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.05 AU - 2.69 AU

Year: 2356 Days

Day: 13.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,191,606 km

• M1: 116,836 km (0.087 R)
• M2: 411,245 km (0.107 R)
• M3: 758,312 km (0.115 R)
• M4: 1,057,956 km (0.093 R)
• M5: 1,423,573 km (0.119 R)
• M6: 1,910,365 km (0.096 R)
• M7: 2,505,016 km (0.088 R)
• M8: 3,218,598 km (0.113 R)
• M9: 3,983,791 km (0.062 R)
• M10: 4,434,380 km (0.099 R)
• M11: 4,954,831 km (0.11 R)
• M12: 7,125,496 km (0.082 R)
• M13: 7,477,051 km (0.096 R)
• M14: 7,840,125 km (0.101 R)
• M15: 8,368,355 km (0.098 R)
• M16: 8,893,145 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.4

Radius: 9

Gravity: 11.55 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.34 AU - 5.52 AU

Year: 7068 Days

Day: 14 Hours

Environment

Temp: -220 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,191,606 km

• M1: 112,198 km (0.111 R)
• M2: 458,817 km (0.11 R)
• M3: 1,170,454 km (0.096 R)
• M4: 1,651,860 km (0.067 R)
• M5: 2,010,595 km (0.107 R)
• M6: 2,348,986 km (0.095 R)
• M7: 3,119,714 km (0.095 R)
• M8: 3,575,838 km (0.086 R)
• M9: 4,370,502 km (0.099 R)
• M10: 5,062,990 km (0.118 R)
• M11: 5,860,048 km (0.102 R)
• M12: 7,345,106 km (0.108 R)
• M13: 9,664,022 km (0.066 R)
• M14: 10,336,914 km (0.069 R)
• M15: 12,996,913 km (0.065 R)
• M16: 14,117,701 km (0.055 R)
• M17: 15,429,824 km (0.084 R)
• M18: 16,082,519 km (0.074 R)
• M19: 22,311,326 km (0.094 R)
• M20: 25,683,411 km (0.108 R)
• M21: 26,414,795 km (0.101 R)
• M22: 27,443,131 km (0.11 R)
• M23: 28,692,572 km (0.105 R)
• M24: 31,511,744 km (0.041 R)
• M25: 35,626,135 km (0.096 R)
• M26: 36,880,812 km (0.095 R)
• M27: 37,460,653 km (0.059 R)
• M28: 40,944,937 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 97.4

Radius: 6.6

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 9.6 AU - 10.86 AU

Year: 21127 Days

Day: 18.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,191,606 km

• M1: 88,263 km (0.089 R)
• M2: 325,824 km (0.103 R)
• M3: 657,483 km (0.107 R)
• M4: 1,203,216 km (0.094 R)
• M5: 1,859,801 km (0.029 R)
• M6: 2,792,843 km (0.104 R)
• M7: 5,407,963 km (0.116 R)
• M8: 8,061,680 km (0.061 R)
• M9: 10,022,609 km (0.112 R)
• M10: 13,645,719 km (0.109 R)
• M11: 14,671,662 km (0.105 R)
• M12: 15,108,637 km (0.073 R)
• M13: 19,440,991 km (0.119 R)
• M14: 25,776,611 km (0.077 R)
• M15: 29,653,140 km (0.11 R)
• M16: 33,469,831 km (0.11 R)
• M17: 37,139,317 km (0.079 R)
• M18: 37,485,786 km (0.105 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: 440 - 15,584 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit