🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.92 AU - 1.02 AU

Year: 360 Days

Day: 17.7 Hours

Environment

Temp: 35 °C

Axial Tilt: 48.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.17 AU - 1.25 AU

Year: 501 Days

Day: 32.1 Hours

Environment

Temp: 2 °C

Axial Tilt: 21 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.69 AU - 1.83 AU

Year: 880 Days

Day: 19 Hours

Environment

Temp: -55 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 44,049,994 km

• M1: 29,770 km (0.082 R)
• M2: 112,348 km (0.039 R)

Asteroid Belt

Center: 3.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.4

Radius: 12.3

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.91 AU - 5.75 AU

Year: 4636 Days

Day: 7 Hours

Environment

Temp: -140 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,049,994 km

• M1: 153,039 km (0.116 R)
• M2: 619,335 km (0.052 R)
• M3: 1,506,301 km (0.105 R)
• M4: 2,069,238 km (0.114 R)
• M5: 2,580,862 km (0.05 R)
• M6: 3,042,821 km (0.036 R)
• M7: 4,019,844 km (0.027 R)
• M8: 4,445,600 km (0.052 R)
• M9: 5,501,312 km (0.104 R)
• M10: 5,937,839 km (0.036 R)
• M11: 6,366,287 km (0.071 R)
• M12: 7,216,900 km (0.098 R)
• M13: 9,592,215 km (0.069 R)
• M14: 11,254,397 km (0.064 R)
• M15: 11,722,190 km (0.115 R)
• M16: 12,105,609 km (0.116 R)
• M17: 14,530,740 km (0.115 R)
• M18: 17,448,946 km (0.083 R)
• M19: 18,589,031 km (0.084 R)
• M20: 19,243,522 km (0.113 R)
• M21: 21,727,595 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.7

Radius: 10.7

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 5.91 AU - 8.69 AU

Year: 7430 Days

Day: 9.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,049,994 km

• M1: 135,536 km (0.094 R)
• M2: 500,554 km (0.054 R)
• M3: 1,048,382 km (0.081 R)
• M4: 1,539,212 km (0.07 R)
• M5: 3,287,413 km (0.087 R)
• M6: 4,221,203 km (0.094 R)
• M7: 5,477,376 km (0.106 R)
• M8: 8,416,376 km (0.061 R)
• M9: 10,486,212 km (0.085 R)
• M10: 11,077,722 km (0.117 R)
• M11: 16,052,300 km (0.113 R)
• M12: 16,904,859 km (0.084 R)
• M13: 17,512,675 km (0.107 R)
• M14: 18,843,647 km (0.113 R)
• M15: 21,943,614 km (0.113 R)
• M16: 24,587,906 km (0.083 R)
• M17: 31,099,602 km (0.08 R)
• M18: 38,212,233 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.4

Radius: 12.3

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 6.8 AU - 8.24 AU

Year: 7769 Days

Day: 7 Hours

Environment

Temp: -161 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,049,994 km

• M1: 153,338 km (0.106 R)
• M2: 553,662 km (0.095 R)
• M3: 986,299 km (0.102 R)
• M4: 1,461,870 km (0.107 R)
• M5: 2,304,256 km (0.053 R)
• M6: 2,776,836 km (0.109 R)
• M7: 4,625,865 km (0.062 R)
• M8: 6,605,045 km (0.041 R)
• M9: 8,002,140 km (0.079 R)
• M10: 9,052,167 km (0.066 R)
• M11: 10,771,645 km (0.112 R)
• M12: 11,944,941 km (0.112 R)
• M13: 13,314,659 km (0.108 R)
• M14: 14,847,888 km (0.028 R)
• M15: 16,299,436 km (0.03 R)
• M16: 19,191,163 km (0.105 R)
• M17: 21,221,356 km (0.114 R)
• M18: 25,003,639 km (0.12 R)
• M19: 27,885,641 km (0.082 R)
• M20: 28,639,465 km (0.12 R)
• M21: 30,982,317 km (0.101 R)
• M22: 33,555,850 km (0.088 R)
• M23: 37,850,356 km (0.091 R)
• M24: 39,242,065 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 93.9

Radius: 7.3

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 12.5 AU - 19.22 AU

Year: 23795 Days

Day: 17.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,049,994 km

• M1: 90,806 km (0.067 R)
• M2: 330,462 km (0.073 R)
• M3: 565,330 km (0.1 R)
• M4: 1,097,749 km (0.094 R)
• M5: 2,522,071 km (0.096 R)
• M6: 3,809,959 km (0.094 R)
• M7: 4,314,103 km (0.044 R)
• M8: 7,444,439 km (0.095 R)
• M9: 8,231,772 km (0.047 R)
• M10: 11,082,659 km (0.033 R)
• M11: 11,346,400 km (0.089 R)
• M12: 11,722,788 km (0.113 R)
• M13: 13,018,306 km (0.088 R)
• M14: 18,710,355 km (0.083 R)
• M15: 19,694,111 km (0.101 R)
• M16: 20,871,596 km (0.026 R)
• M17: 27,566,400 km (0.119 R)
• M18: 28,246,771 km (0.087 R)
• M19: 30,355,203 km (0.115 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 10,428 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit