🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.2

Radius: 10.4

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.05 AU - 1.45 AU

Year: 932 Days

Day: 14.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,210,411 km

• M1: 129,402 km (0.118 R)
• M2: 481,107 km (0.118 R)
• M3: 917,484 km (0.12 R)
• M4: 1,313,320 km (0.039 R)
• M5: 1,670,709 km (0.12 R)
• M6: 2,030,342 km (0.101 R)
• M7: 2,513,992 km (0.088 R)
• M8: 3,025,916 km (0.053 R)
• M9: 3,409,186 km (0.084 R)
• M10: 3,909,142 km (0.073 R)
• M11: 4,457,418 km (0.071 R)
• M12: 4,889,457 km (0.107 R)
• M13: 7,265,669 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.2

Radius: 11.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.91 AU - 6.31 AU

Year: 8861 Days

Day: 13.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,210,411 km

• M1: 147,653 km (0.081 R)
• M2: 601,084 km (0.059 R)
• M3: 1,077,703 km (0.075 R)
• M4: 1,655,151 km (0.118 R)
• M5: 2,506,213 km (0.109 R)
• M6: 3,198,103 km (0.087 R)
• M7: 4,183,355 km (0.081 R)
• M8: 4,607,166 km (0.079 R)
• M9: 6,481,029 km (0.091 R)
• M10: 7,143,448 km (0.037 R)
• M11: 8,017,548 km (0.109 R)
• M12: 11,493,904 km (0.094 R)
• M13: 13,442,416 km (0.12 R)
• M14: 14,220,624 km (0.081 R)
• M15: 15,813,841 km (0.107 R)
• M16: 18,451,850 km (0.072 R)
• M17: 22,296,067 km (0.055 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.1

Radius: 3.6

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 6.68 AU - 9.08 AU

Year: 14751 Days

Day: 15.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,210,411 km

• M1: 44,879 km (0.111 R)
• M2: 466,147 km (0.115 R)
• M3: 2,255,337 km (0.05 R)
• M4: 2,763,671 km (0.054 R)
• M5: 3,103,258 km (0.085 R)
• M6: 8,825,078 km (0.111 R)
• M7: 11,706,781 km (0.113 R)
• M8: 17,406,909 km (0.029 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860.3

Radius: 5.2

Gravity: 31.82 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 7.79 AU - 8.01 AU

Year: 14807 Days

Day: 20.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 38,210,411 km

• M1: 72,555 km (0.114 R)
• M2: 350,059 km (0.076 R)
• M3: 539,749 km (0.082 R)
• M4: 839,394 km (0.107 R)
• M5: 1,051,673 km (0.07 R)
• M6: 1,230,742 km (0.082 R)
• M7: 1,752,988 km (0.109 R)
• M8: 5,401,082 km (0.045 R)
• M9: 6,140,245 km (0.1 R)
• M10: 7,627,547 km (0.115 R)
• M11: 8,404,408 km (0.056 R)
• M12: 12,042,329 km (0.055 R)
• M13: 13,025,487 km (0.111 R)
• M14: 13,779,609 km (0.111 R)
• M15: 22,402,880 km (0.074 R)
• M16: 24,291,104 km (0.107 R)
• M17: 25,748,486 km (0.111 R)
• M18: 26,933,601 km (0.108 R)
• M19: 28,836,186 km (0.045 R)
• M20: 29,412,288 km (0.109 R)
• M21: 30,946,264 km (0.117 R)
• M22: 35,208,906 km (0.12 R)
• M23: 40,849,494 km (0.084 R)
• M24: 42,607,718 km (0.095 R)
• M25: 48,183,829 km (0.118 R)
• M26: 52,329,784 km (0.054 R)
• M27: 55,813,021 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175

Radius: 5.1

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 8.64 AU - 8.64 AU

Year: 16936 Days

Day: 16.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 38,210,411 km

• M1: 101,577 km (0.09 R)
• M2: 403,465 km (0.118 R)
• M3: 912,697 km (0.096 R)
• M4: 1,945,371 km (0.109 R)
• M5: 2,642,796 km (0.085 R)
• M6: 3,237,448 km (0.11 R)
• M7: 3,615,182 km (0.111 R)
• M8: 4,290,916 km (0.117 R)
• M9: 4,543,287 km (0.062 R)
• M10: 6,130,670 km (0.039 R)
• M11: 9,015,964 km (0.069 R)
• M12: 9,290,925 km (0.111 R)
• M13: 11,750,165 km (0.107 R)
• M14: 14,176,941 km (0.12 R)
• M15: 14,424,227 km (0.025 R)
• M16: 15,377,016 km (0.037 R)
• M17: 16,168,987 km (0.101 R)
• M18: 16,987,736 km (0.092 R)
• M19: 22,994,988 km (0.09 R)
• M20: 24,116,822 km (0.083 R)
• M21: 27,701,038 km (0.091 R)
• M22: 28,871,342 km (0.093 R)
• M23: 29,871,553 km (0.078 R)
• M24: 30,176,134 km (0.043 R)
• M25: 36,709,522 km (0.078 R)
• M26: 43,083,888 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 118.5

Radius: 8

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.9 AU - 10.5 AU

Year: 17112 Days

Day: 18.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,210,411 km

• M1: 102,774 km (0.105 R)
• M2: 399,875 km (0.087 R)
• M3: 1,170,155 km (0.107 R)
• M4: 2,045,601 km (0.068 R)
• M5: 4,081,628 km (0.119 R)
• M6: 5,184,763 km (0.09 R)
• M7: 5,902,833 km (0.082 R)
• M8: 7,458,800 km (0.063 R)
• M9: 8,749,979 km (0.101 R)
• M10: 9,448,602 km (0.064 R)
• M11: 10,325,993 km (0.101 R)
• M12: 14,147,171 km (0.063 R)
• M13: 23,919,802 km (0.051 R)
• M14: 24,509,666 km (0.068 R)
• M15: 26,071,019 km (0.091 R)
• M16: 36,632,031 km (0.052 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: 174 - 11,130 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit