🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414

Radius: 14.5

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.41 AU - 0.67 AU

Year: 269 Days

Day: 8.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 20,067,692 km

• M1: 180,565 km (0.094 R)
• M2: 831,166 km (0.092 R)
• M3: 1,487,751 km (0.069 R)
• M4: 2,357,662 km (0.087 R)
• M5: 2,821,715 km (0.104 R)
• M6: 3,426,240 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.6

Radius: 13.9

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.47 AU - 0.63 AU

Year: 277 Days

Day: 8.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 20,067,692 km

• M1: 172,935 km (0.084 R)
• M2: 776,862 km (0.082 R)
• M3: 1,281,007 km (0.097 R)
• M4: 1,822,401 km (0.094 R)
• M5: 2,381,598 km (0.111 R)
• M6: 2,899,805 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.2

Radius: 10.7

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.68 AU - 0.76 AU

Year: 414 Days

Day: 13 Hours

Environment

Temp: -168 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,067,692 km

• M1: 133,142 km (0.112 R)
• M2: 476,469 km (0.093 R)
• M3: 1,124,976 km (0.082 R)
• M4: 1,591,273 km (0.102 R)
• M5: 2,511,150 km (0.113 R)
• M6: 2,870,634 km (0.082 R)
• M7: 3,429,980 km (0.105 R)
• M8: 3,813,998 km (0.113 R)
• M9: 4,795,360 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.6

Radius: 9.5

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.85 AU - 2.01 AU

Year: 1819 Days

Day: 12.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,067,692 km

• M1: 118,482 km (0.053 R)
• M2: 1,660,237 km (0.111 R)
• M3: 2,063,254 km (0.092 R)
• M4: 3,557,288 km (0.067 R)
• M5: 4,284,034 km (0.089 R)
• M6: 5,858,552 km (0.097 R)
• M7: 6,362,248 km (0.096 R)
• M8: 7,257,442 km (0.083 R)
• M9: 7,812,898 km (0.1 R)
• M10: 8,754,617 km (0.08 R)
• M11: 9,413,596 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.3

Radius: 8.3

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.93 AU - 2.57 AU

Year: 2289 Days

Day: 11.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,067,692 km

• M1: 103,971 km (0.064 R)
• M2: 529,128 km (0.076 R)
• M3: 1,056,311 km (0.085 R)
• M4: 1,619,846 km (0.106 R)
• M5: 2,109,180 km (0.106 R)
• M6: 2,680,495 km (0.063 R)
• M7: 3,061,520 km (0.111 R)
• M8: 3,897,773 km (0.112 R)
• M9: 4,331,756 km (0.106 R)
• M10: 5,536,468 km (0.079 R)
• M11: 6,720,684 km (0.079 R)
• M12: 7,895,327 km (0.112 R)
• M13: 9,840,398 km (0.061 R)
• M14: 10,784,361 km (0.101 R)
• M15: 11,750,464 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.2

Radius: 12.6

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.27 AU - 3.47 AU

Year: 3298 Days

Day: 14.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 20,067,692 km

• M1: 156,779 km (0.116 R)
• M2: 1,181,225 km (0.097 R)
• M3: 1,808,339 km (0.051 R)
• M4: 2,204,923 km (0.063 R)
• M5: 2,972,659 km (0.068 R)
• M6: 3,952,226 km (0.112 R)
• M7: 5,022,599 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.1

Radius: 9.2

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.64 AU - 4.08 AU

Year: 5144 Days

Day: 14.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 20,067,692 km

• M1: 114,442 km (0.105 R)
• M2: 416,630 km (0.086 R)
• M3: 1,253,032 km (0.057 R)
• M4: 1,746,256 km (0.06 R)
• M5: 2,997,044 km (0.067 R)
• M6: 4,715,774 km (0.096 R)
• M7: 6,080,405 km (0.061 R)
• M8: 6,669,821 km (0.074 R)
• M9: 7,232,309 km (0.108 R)
• M10: 7,691,425 km (0.107 R)
• M11: 8,451,980 km (0.063 R)
• M12: 9,962,171 km (0.116 R)
• M13: 10,325,395 km (0.047 R)
• M14: 12,460,455 km (0.049 R)
• M15: 13,120,780 km (0.11 R)
• M16: 15,136,612 km (0.034 R)
• M17: 16,384,707 km (0.101 R)
• M18: 16,834,697 km (0.068 R)
• M19: 19,270,599 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.3

Radius: 14.4

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.94 AU - 3.96 AU

Year: 5325 Days

Day: 10.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,067,692 km

• M1: 181,462 km (0.069 R)
• M2: 679,324 km (0.108 R)
• M3: 1,395,599 km (0.034 R)
• M4: 1,943,576 km (0.112 R)
• M5: 2,392,369 km (0.071 R)
• M6: 3,293,397 km (0.088 R)
• M7: 5,368,320 km (0.109 R)
• M8: 8,140,817 km (0.115 R)
• M9: 10,827,146 km (0.108 R)
• M10: 11,967,082 km (0.101 R)
• M11: 15,971,069 km (0.097 R)
• M12: 16,593,097 km (0.096 R)
• M13: 17,338,992 km (0.113 R)
• M14: 20,067,657 km (0.111 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 14,676 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit