🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.8

Radius: 8.2

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.7 AU - 0.82 AU

Year: 428 Days

Day: 6.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,726,644 km

• M1: 102,026 km (0.06 R)
• M2: 377,884 km (0.071 R)
• M3: 637,287 km (0.109 R)
• M4: 1,247,197 km (0.112 R)
• M5: 1,566,589 km (0.105 R)
• M6: 2,175,452 km (0.108 R)
• M7: 2,673,015 km (0.119 R)
• M8: 2,933,016 km (0.03 R)
• M9: 4,299,892 km (0.069 R)
• M10: 4,853,105 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.7

Radius: 14.6

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.04 AU - 1.28 AU

Year: 807 Days

Day: 5.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 47,726,644 km

• M1: 190,737 km (0.117 R)
• M2: 1,277,267 km (0.076 R)
• M3: 1,969,007 km (0.105 R)
• M4: 2,518,779 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.2

Radius: 13

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.23 AU - 1.79 AU

Year: 1198 Days

Day: 10.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,726,644 km

• M1: 161,865 km (0.085 R)
• M2: 659,727 km (0.109 R)
• M3: 1,092,214 km (0.102 R)
• M4: 1,616,255 km (0.084 R)
• M5: 2,208,214 km (0.094 R)
• M6: 2,623,348 km (0.053 R)
• M7: 3,493,409 km (0.056 R)
• M8: 4,214,172 km (0.112 R)
• M9: 4,619,732 km (0.104 R)
• M10: 5,188,204 km (0.096 R)
• M11: 6,397,553 km (0.109 R)
• M12: 7,657,466 km (0.063 R)
• M13: 8,511,371 km (0.094 R)
• M14: 9,971,446 km (0.087 R)
• M15: 10,408,721 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.6

Radius: 13.4

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.47 AU - 2.55 AU

Year: 2568 Days

Day: 13.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,726,644 km

• M1: 166,652 km (0.114 R)
• M2: 686,804 km (0.07 R)
• M3: 1,660,088 km (0.072 R)
• M4: 2,178,444 km (0.111 R)
• M5: 2,929,426 km (0.09 R)
• M6: 3,358,622 km (0.047 R)
• M7: 4,145,058 km (0.052 R)
• M8: 4,867,915 km (0.119 R)
• M9: 5,831,175 km (0.098 R)
• M10: 7,880,965 km (0.078 R)
• M11: 8,307,768 km (0.091 R)
• M12: 9,746,750 km (0.069 R)
• M13: 10,577,018 km (0.111 R)
• M14: 11,274,743 km (0.069 R)
• M15: 12,189,833 km (0.031 R)
• M16: 13,153,692 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.8

Radius: 11.7

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.75 AU - 3.21 AU

Year: 3322 Days

Day: 5.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,726,644 km

• M1: 145,708 km (0.096 R)
• M2: 558,150 km (0.105 R)
• M3: 1,347,278 km (0.05 R)
• M4: 2,919,103 km (0.117 R)
• M5: 3,332,741 km (0.103 R)
• M6: 3,826,863 km (0.089 R)
• M7: 5,088,123 km (0.071 R)
• M8: 5,609,771 km (0.103 R)
• M9: 6,282,662 km (0.053 R)
• M10: 6,699,741 km (0.059 R)
• M11: 7,071,791 km (0.11 R)
• M12: 7,556,338 km (0.05 R)
• M13: 10,692,059 km (0.091 R)
• M14: 12,828,167 km (0.078 R)
• M15: 14,658,497 km (0.098 R)
• M16: 16,826,619 km (0.102 R)
• M17: 18,526,799 km (0.056 R)
• M18: 19,138,804 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.3

Radius: 11.7

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.98 AU - 4.2 AU

Year: 4392 Days

Day: 11.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,726,644 km

• M1: 145,559 km (0.105 R)
• M2: 585,526 km (0.097 R)
• M3: 990,637 km (0.119 R)
• M4: 1,461,870 km (0.078 R)
• M5: 2,918,804 km (0.08 R)
• M6: 5,345,132 km (0.04 R)
• M7: 6,143,685 km (0.085 R)
• M8: 7,106,497 km (0.075 R)
• M9: 7,548,858 km (0.106 R)
• M10: 8,456,319 km (0.089 R)
• M11: 9,435,138 km (0.083 R)
• M12: 10,263,760 km (0.105 R)
• M13: 10,984,523 km (0.052 R)
• M14: 12,357,981 km (0.101 R)
• M15: 13,752,532 km (0.086 R)
• M16: 15,443,736 km (0.046 R)
• M17: 16,087,306 km (0.114 R)
• M18: 16,748,529 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.6

Radius: 15

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.88 AU - 6.08 AU

Year: 8283 Days

Day: 9.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,726,644 km

• M1: 186,698 km (0.108 R)
• M2: 699,669 km (0.117 R)
• M3: 1,175,241 km (0.102 R)
• M4: 2,088,237 km (0.053 R)
• M5: 3,835,989 km (0.084 R)
• M6: 5,576,709 km (0.11 R)
• M7: 6,200,682 km (0.115 R)
• M8: 8,010,068 km (0.112 R)
• M9: 8,898,231 km (0.05 R)
• M10: 14,548,991 km (0.072 R)
• M11: 16,423,004 km (0.066 R)
• M12: 24,254,303 km (0.107 R)
• M13: 25,171,637 km (0.112 R)
• M14: 34,727,949 km (0.117 R)
• M15: 42,510,479 km (0.109 R)
• M16: 44,114,019 km (0.096 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 19,435 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit