🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.52 AU - 0.8 AU

Year: 346 Days

Day: 15.7 Hours

Environment

Temp: -126 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 42,951,536 km

• M1: 27,376 km (0.113 R)
• M2: 516,561 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.5

Radius: 11.8

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.68 AU - 0.82 AU

Year: 419 Days

Day: 9.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,951,536 km

• M1: 147,354 km (0.1 R)
• M2: 551,567 km (0.039 R)
• M3: 1,084,136 km (0.097 R)
• M4: 1,474,287 km (0.103 R)
• M5: 2,097,362 km (0.117 R)
• M6: 2,513,543 km (0.111 R)
• M7: 3,362,362 km (0.042 R)
• M8: 3,898,670 km (0.101 R)
• M9: 4,562,436 km (0.103 R)
• M10: 5,051,023 km (0.038 R)

Asteroid Belt

Center: 1.24 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.3

Radius: 10.3

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.32 AU - 2.12 AU

Year: 1456 Days

Day: 13.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,951,536 km

• M1: 128,056 km (0.068 R)
• M2: 494,122 km (0.081 R)
• M3: 1,125,275 km (0.036 R)
• M4: 1,685,519 km (0.043 R)
• M5: 2,030,791 km (0.115 R)
• M6: 2,953,810 km (0.032 R)
• M7: 3,301,475 km (0.107 R)
• M8: 5,019,158 km (0.096 R)
• M9: 7,429,030 km (0.038 R)
• M10: 8,670,842 km (0.076 R)
• M11: 9,293,319 km (0.104 R)
• M12: 10,214,692 km (0.106 R)
• M13: 10,627,732 km (0.043 R)
• M14: 12,902,517 km (0.07 R)
• M15: 13,304,337 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.8

Radius: 10.1

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.92 AU - 5.88 AU

Year: 7003 Days

Day: 6.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,951,536 km

• M1: 125,662 km (0.117 R)
• M2: 471,832 km (0.106 R)
• M3: 809,773 km (0.106 R)
• M4: 1,133,802 km (0.114 R)
• M5: 1,572,423 km (0.103 R)
• M6: 1,951,205 km (0.111 R)
• M7: 2,515,339 km (0.077 R)
• M8: 3,038,183 km (0.113 R)
• M9: 4,935,832 km (0.112 R)
• M10: 7,029,604 km (0.098 R)
• M11: 7,633,979 km (0.094 R)
• M12: 8,272,613 km (0.101 R)
• M13: 8,903,467 km (0.085 R)
• M14: 10,025,601 km (0.097 R)
• M15: 11,442,442 km (0.114 R)
• M16: 14,074,168 km (0.093 R)
• M17: 15,343,356 km (0.113 R)
• M18: 16,166,294 km (0.109 R)
• M19: 18,317,362 km (0.037 R)
• M20: 19,171,117 km (0.043 R)
• M21: 19,754,848 km (0.116 R)
• M22: 23,592,183 km (0.12 R)
• M23: 28,839,029 km (0.1 R)
• M24: 37,578,387 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.3

Radius: 9.3

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.24 AU - 5.84 AU

Year: 7306 Days

Day: 5.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,951,536 km

• M1: 115,639 km (0.078 R)
• M2: 465,399 km (0.117 R)
• M3: 863,329 km (0.114 R)
• M4: 1,162,226 km (0.102 R)
• M5: 1,474,437 km (0.057 R)
• M6: 1,816,717 km (0.059 R)
• M7: 2,414,958 km (0.078 R)
• M8: 3,236,849 km (0.066 R)
• M9: 3,647,944 km (0.07 R)
• M10: 4,500,652 km (0.118 R)
• M11: 4,830,066 km (0.094 R)
• M12: 5,257,617 km (0.117 R)
• M13: 6,219,382 km (0.094 R)
• M14: 6,956,151 km (0.085 R)
• M15: 7,678,709 km (0.116 R)
• M16: 10,104,887 km (0.114 R)
• M17: 12,451,180 km (0.095 R)
• M18: 15,535,589 km (0.037 R)
• M19: 16,409,241 km (0.081 R)
• M20: 17,254,020 km (0.082 R)
• M21: 20,165,793 km (0.109 R)
• M22: 24,150,631 km (0.079 R)
• M23: 24,849,254 km (0.034 R)
• M24: 27,863,052 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.8

Radius: 11.3

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.95 AU - 6.23 AU

Year: 8534 Days

Day: 10.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,951,536 km

• M1: 140,472 km (0.062 R)
• M2: 560,094 km (0.102 R)
• M3: 983,157 km (0.084 R)
• M4: 2,023,610 km (0.107 R)
• M5: 2,921,796 km (0.109 R)
• M6: 3,787,369 km (0.107 R)
• M7: 4,389,650 km (0.112 R)
• M8: 6,807,152 km (0.087 R)
• M9: 8,799,496 km (0.114 R)
• M10: 12,337,037 km (0.085 R)
• M11: 16,522,486 km (0.111 R)
• M12: 18,933,555 km (0.107 R)
• M13: 26,617,800 km (0.054 R)
• M14: 28,722,342 km (0.081 R)
• M15: 32,083,657 km (0.075 R)
• M16: 36,154,514 km (0.114 R)
• M17: 38,851,614 km (0.103 R)
• M18: 39,213,043 km (0.116 R)
• M19: 40,310,642 km (0.051 R)
• M20: 41,178,459 km (0.114 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 10,736 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit