🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.8

Radius: 9.1

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.7 AU - 0.9 AU

Year: 494 Days

Day: 5.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,529,591 km

• M1: 113,246 km (0.078 R)
• M2: 699,520 km (0.116 R)
• M3: 1,117,496 km (0.09 R)
• M4: 1,736,233 km (0.097 R)
• M5: 2,154,808 km (0.106 R)
• M6: 2,537,329 km (0.046 R)
• M7: 2,908,931 km (0.074 R)
• M8: 3,439,853 km (0.065 R)
• M9: 4,393,091 km (0.105 R)
• M10: 4,963,358 km (0.108 R)
• M11: 6,102,396 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.9

Radius: 9.3

Gravity: 9.6 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.8 AU - 0.82 AU

Year: 503 Days

Day: 14.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 19,529,591 km

• M1: 116,986 km (0.073 R)
• M2: 437,873 km (0.111 R)
• M3: 782,247 km (0.117 R)
• M4: 1,129,614 km (0.101 R)
• M5: 1,779,766 km (0.097 R)
• M6: 3,328,553 km (0.098 R)
• M7: 3,823,422 km (0.099 R)
• M8: 4,218,810 km (0.087 R)
• M9: 5,092,012 km (0.057 R)
• M10: 6,366,586 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.7

Radius: 10.9

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.83 AU - 1.17 AU

Year: 690 Days

Day: 8 Hours

Environment

Temp: -172 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 19,529,591 km

• M1: 135,536 km (0.099 R)
• M2: 494,271 km (0.075 R)
• M3: 892,351 km (0.059 R)
• M4: 1,325,886 km (0.06 R)
• M5: 1,729,800 km (0.066 R)
• M6: 2,325,798 km (0.101 R)
• M7: 2,689,471 km (0.105 R)
• M8: 3,217,252 km (0.104 R)
• M9: 3,629,693 km (0.1 R)
• M10: 4,152,986 km (0.11 R)
• M11: 4,545,531 km (0.047 R)
• M12: 4,980,113 km (0.072 R)
• M13: 5,913,753 km (0.106 R)
• M14: 6,640,201 km (0.082 R)
• M15: 7,793,451 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.9

Radius: 14.4

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.04 AU - 1.46 AU

Year: 965 Days

Day: 5 Hours

Environment

Temp: -194 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 19,529,591 km

• M1: 179,069 km (0.037 R)
• M2: 728,392 km (0.03 R)
• M3: 1,216,530 km (0.116 R)
• M4: 1,816,417 km (0.114 R)
• M5: 2,288,847 km (0.106 R)
• M6: 3,142,602 km (0.039 R)
• M7: 3,630,292 km (0.109 R)
• M8: 4,607,614 km (0.04 R)
• M9: 5,059,400 km (0.097 R)
• M10: 5,521,807 km (0.115 R)
• M11: 6,134,709 km (0.104 R)
• M12: 6,970,064 km (0.101 R)
• M13: 8,581,233 km (0.113 R)
• M14: 9,134,147 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.9

Radius: 8.2

Gravity: 13.37 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.4 AU - 2.32 AU

Year: 1751 Days

Day: 11.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 19,529,591 km

• M1: 103,671 km (0.089 R)
• M2: 388,805 km (0.12 R)
• M3: 795,861 km (0.097 R)
• M4: 1,285,495 km (0.063 R)
• M5: 1,796,670 km (0.115 R)
• M6: 2,383,842 km (0.101 R)
• M7: 2,715,201 km (0.088 R)
• M8: 3,336,332 km (0.106 R)
• M9: 3,680,856 km (0.113 R)
• M10: 4,880,481 km (0.094 R)
• M11: 5,510,886 km (0.081 R)
• M12: 6,960,639 km (0.11 R)
• M13: 7,611,988 km (0.107 R)
• M14: 8,028,020 km (0.087 R)
• M15: 10,232,644 km (0.101 R)
• M16: 10,887,583 km (0.079 R)
• M17: 11,570,199 km (0.106 R)
• M18: 12,565,174 km (0.053 R)
• M19: 14,861,352 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.5

Radius: 14.7

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.75 AU - 2.91 AU

Year: 2455 Days

Day: 14.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 19,529,591 km

• M1: 182,809 km (0.057 R)
• M2: 652,995 km (0.081 R)
• M3: 1,159,383 km (0.113 R)
• M4: 2,152,713 km (0.069 R)
• M5: 2,790,748 km (0.118 R)
• M6: 3,361,315 km (0.114 R)
• M7: 4,059,189 km (0.114 R)
• M8: 6,334,572 km (0.105 R)
• M9: 7,812,001 km (0.11 R)
• M10: 8,984,549 km (0.078 R)
• M11: 10,054,024 km (0.079 R)
• M12: 10,523,911 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.8

Radius: 10.3

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.7 AU - 4.3 AU

Year: 4520 Days

Day: 7.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 19,529,591 km

• M1: 153,936 km (0.08 R)
• M2: 911,051 km (0.11 R)
• M3: 1,586,186 km (0.082 R)
• M4: 2,732,106 km (0.112 R)
• M5: 3,234,306 km (0.115 R)
• M6: 4,956,327 km (0.073 R)
• M7: 5,911,210 km (0.031 R)
• M8: 7,309,502 km (0.036 R)
• M9: 12,211,973 km (0.092 R)
• M10: 12,598,085 km (0.119 R)
• M11: 13,214,878 km (0.119 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: 223 - 12,192 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit