🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.6

Radius: 9.3

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.61 AU - 0.65 AU

Year: 333 Days

Day: 11.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,937,409 km

• M1: 115,639 km (0.12 R)
• M2: 448,046 km (0.1 R)
• M3: 889,060 km (0.085 R)
• M4: 1,300,454 km (0.119 R)
• M5: 1,609,075 km (0.074 R)
• M6: 2,038,421 km (0.108 R)
• M7: 2,450,413 km (0.027 R)
• M8: 3,172,522 km (0.097 R)
• M9: 3,477,702 km (0.118 R)
• M10: 3,889,844 km (0.116 R)
• M11: 4,348,062 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.6

Radius: 14.5

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.87 AU - 1.03 AU

Year: 617 Days

Day: 8.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,937,409 km

• M1: 180,565 km (0.066 R)
• M2: 802,593 km (0.112 R)
• M3: 1,383,182 km (0.076 R)
• M4: 1,891,067 km (0.062 R)
• M5: 2,391,023 km (0.101 R)
• M6: 2,991,060 km (0.095 R)
• M7: 4,114,989 km (0.043 R)
• M8: 4,616,441 km (0.046 R)
• M9: 5,142,576 km (0.113 R)
• M10: 5,848,080 km (0.037 R)
• M11: 6,353,721 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.1

Radius: 9.4

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.94 AU - 1.4 AU

Year: 844 Days

Day: 5.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,937,409 km

• M1: 116,836 km (0.11 R)
• M2: 807,978 km (0.091 R)
• M3: 1,155,494 km (0.119 R)
• M4: 1,735,186 km (0.044 R)
• M5: 2,225,119 km (0.088 R)
• M6: 2,597,617 km (0.072 R)
• M7: 3,401,108 km (0.116 R)
• M8: 3,809,360 km (0.105 R)
• M9: 4,409,996 km (0.113 R)
• M10: 4,844,577 km (0.083 R)
• M11: 5,760,864 km (0.106 R)
• M12: 6,745,069 km (0.101 R)
• M13: 7,368,892 km (0.101 R)
• M14: 8,527,228 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.7

Radius: 8.9

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.52 AU - 2.4 AU

Year: 1830 Days

Day: 6.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,937,409 km

• M1: 110,702 km (0.109 R)
• M2: 426,055 km (0.105 R)
• M3: 743,053 km (0.115 R)
• M4: 1,135,747 km (0.055 R)
• M5: 1,591,572 km (0.116 R)
• M6: 2,143,289 km (0.12 R)
• M7: 2,482,726 km (0.116 R)
• M8: 3,080,968 km (0.096 R)
• M9: 4,269,972 km (0.07 R)
• M10: 5,048,031 km (0.114 R)
• M11: 5,355,305 km (0.1 R)
• M12: 5,917,493 km (0.113 R)
• M13: 7,391,332 km (0.112 R)
• M14: 7,869,446 km (0.092 R)
• M15: 9,125,321 km (0.062 R)
• M16: 9,428,406 km (0.098 R)
• M17: 10,151,412 km (0.11 R)
• M18: 10,742,473 km (0.074 R)
• M19: 11,601,315 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.1

Radius: 10.8

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.03 AU - 3.13 AU

Year: 3605 Days

Day: 8 Hours

Environment

Temp: -205 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,937,409 km

• M1: 134,339 km (0.096 R)
• M2: 522,994 km (0.097 R)
• M3: 919,279 km (0.083 R)
• M4: 3,061,221 km (0.091 R)
• M5: 3,453,916 km (0.099 R)
• M6: 4,765,889 km (0.088 R)
• M7: 5,114,901 km (0.025 R)
• M8: 6,384,688 km (0.085 R)
• M9: 9,227,795 km (0.102 R)
• M10: 9,812,274 km (0.077 R)
• M11: 13,015,613 km (0.099 R)
• M12: 13,701,220 km (0.117 R)
• M13: 15,574,784 km (0.096 R)
• M14: 17,320,142 km (0.09 R)
• M15: 19,129,977 km (0.096 R)
• M16: 19,696,654 km (0.114 R)
• M17: 20,534,851 km (0.074 R)
• M18: 24,789,115 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.9

Radius: 10.1

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.58 AU - 3.66 AU

Year: 3675 Days

Day: 12.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,937,409 km

• M1: 125,662 km (0.043 R)
• M2: 514,467 km (0.103 R)
• M3: 968,945 km (0.054 R)
• M4: 1,666,371 km (0.077 R)
• M5: 2,120,849 km (0.108 R)
• M6: 2,456,547 km (0.051 R)
• M7: 2,964,731 km (0.064 R)
• M8: 3,296,539 km (0.082 R)
• M9: 3,849,303 km (0.117 R)
• M10: 4,227,785 km (0.105 R)
• M11: 5,140,482 km (0.118 R)
• M12: 5,493,683 km (0.067 R)
• M13: 6,996,393 km (0.071 R)
• M14: 7,721,793 km (0.033 R)
• M15: 8,611,302 km (0.099 R)
• M16: 8,932,489 km (0.057 R)
• M17: 11,030,449 km (0.078 R)
• M18: 11,549,704 km (0.029 R)
• M19: 12,085,114 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.6

Radius: 8.8

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.71 AU - 4.65 AU

Year: 5699 Days

Day: 13.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 27,937,409 km

• M1: 109,506 km (0.063 R)
• M2: 422,165 km (0.078 R)
• M3: 707,299 km (0.103 R)
• M4: 1,222,663 km (0.104 R)
• M5: 1,999,376 km (0.077 R)
• M6: 2,275,982 km (0.085 R)
• M7: 2,782,969 km (0.099 R)
• M8: 3,736,057 km (0.066 R)
• M9: 5,709,253 km (0.102 R)
• M10: 6,614,021 km (0.082 R)
• M11: 6,903,343 km (0.119 R)
• M12: 7,201,193 km (0.091 R)
• M13: 8,146,352 km (0.113 R)
• M14: 8,592,004 km (0.09 R)
• M15: 9,290,925 km (0.101 R)
• M16: 10,539,469 km (0.106 R)
• M17: 13,829,725 km (0.111 R)
• M18: 14,250,693 km (0.113 R)
• M19: 14,789,096 km (0.104 R)
• M20: 16,194,269 km (0.084 R)
• M21: 17,019,002 km (0.114 R)
• M22: 18,308,087 km (0.042 R)
• M23: 18,815,971 km (0.071 R)
• M24: 19,529,553 km (0.096 R)
• M25: 21,427,352 km (0.109 R)
• M26: 22,277,217 km (0.092 R)
• M27: 23,296,727 km (0.072 R)
• M28: 24,499,793 km (0.116 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 10,993 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit