🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.67 AU - 0.79 AU

Year: 224 Days

Day: 18.6 Hours

Environment

Temp: 113 °C

Axial Tilt: 40 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.77 AU - 0.97 AU

Year: 292 Days

Day: 14.9 Hours

Environment

Temp: 137 °C

Axial Tilt: 31.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.29 AU - 1.61 AU

Year: 628 Days

Day: 34.1 Hours

Environment

Temp: -7 °C

Axial Tilt: 27.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.42 AU - 3.22 AU

Year: 1704 Days

Day: 38.9 Hours

Environment

Temp: -103 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.59 AU - 5.05 AU

Year: 3231 Days

Day: 24.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,205,297 km

• M1: 1,860,399 km (0.073 R)

Asteroid Belt

Center: 6.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.1

Radius: 13.3

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 7.68 AU - 10.02 AU

Year: 9475 Days

Day: 14.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,205,297 km

• M1: 171,738 km (0.038 R)
• M2: 1,098,497 km (0.1 R)
• M3: 1,950,457 km (0.062 R)
• M4: 2,614,073 km (0.102 R)
• M5: 3,817,139 km (0.093 R)
• M6: 7,176,659 km (0.09 R)
• M7: 7,983,440 km (0.097 R)
• M8: 10,242,368 km (0.038 R)
• M9: 10,672,761 km (0.067 R)
• M10: 11,519,036 km (0.116 R)
• M11: 18,815,373 km (0.117 R)
• M12: 28,808,062 km (0.082 R)
• M13: 30,153,396 km (0.12 R)
• M14: 31,339,707 km (0.093 R)
• M15: 32,865,904 km (0.108 R)
• M16: 33,281,038 km (0.112 R)
• M17: 33,699,912 km (0.043 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.9

Radius: 14.4

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 9.25 AU - 12.87 AU

Year: 13237 Days

Day: 13.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 79,205,297 km

• M1: 184,155 km (0.112 R)
• M2: 1,268,889 km (0.065 R)
• M3: 2,235,441 km (0.084 R)
• M4: 2,927,630 km (0.118 R)
• M5: 4,041,686 km (0.078 R)
• M6: 4,554,208 km (0.049 R)
• M7: 5,637,745 km (0.077 R)
• M8: 8,172,232 km (0.117 R)
• M9: 8,650,796 km (0.114 R)
• M10: 10,309,537 km (0.111 R)
• M11: 11,867,001 km (0.072 R)
• M12: 13,118,237 km (0.051 R)
• M13: 13,642,877 km (0.08 R)
• M14: 14,733,894 km (0.074 R)
• M15: 16,178,860 km (0.057 R)
• M16: 16,858,932 km (0.116 R)
• M17: 18,195,888 km (0.095 R)
• M18: 21,619,286 km (0.105 R)
• M19: 23,196,496 km (0.1 R)
• M20: 26,788,042 km (0.105 R)
• M21: 27,848,092 km (0.082 R)
• M22: 29,267,627 km (0.066 R)
• M23: 30,278,310 km (0.073 R)
• M24: 31,428,568 km (0.101 R)
• M25: 32,132,426 km (0.102 R)
• M26: 32,727,077 km (0.09 R)
• M27: 47,130,360 km (0.047 R)
• M28: 49,934,273 km (0.105 R)
• M29: 50,412,089 km (0.103 R)
• M30: 54,178,066 km (0.091 R)
• M31: 56,215,589 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 671.5

Radius: 7.3

Gravity: 12.6 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 11.55 AU - 18.97 AU

Year: 21454 Days

Day: 21 Hours

Environment

Temp: -197 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 79,205,297 km

• M1: 90,806 km (0.118 R)
• M2: 368,609 km (0.071 R)
• M3: 714,180 km (0.09 R)
• M4: 1,078,750 km (0.032 R)
• M5: 1,312,123 km (0.038 R)
• M6: 1,665,323 km (0.06 R)
• M7: 2,424,981 km (0.07 R)
• M8: 2,683,187 km (0.034 R)
• M9: 3,091,889 km (0.096 R)
• M10: 3,781,984 km (0.063 R)
• M11: 5,868,874 km (0.113 R)
• M12: 6,830,040 km (0.065 R)
• M13: 7,592,391 km (0.066 R)
• M14: 8,569,564 km (0.058 R)
• M15: 8,894,940 km (0.09 R)
• M16: 9,570,524 km (0.044 R)
• M17: 9,980,123 km (0.082 R)
• M18: 11,604,456 km (0.085 R)
• M19: 12,273,608 km (0.101 R)
• M20: 13,397,537 km (0.084 R)
• M21: 14,665,229 km (0.099 R)
• M22: 19,129,080 km (0.079 R)
• M23: 20,539,937 km (0.113 R)
• M24: 23,567,349 km (0.081 R)
• M25: 27,694,904 km (0.073 R)
• M26: 30,489,841 km (0.098 R)
• M27: 35,928,472 km (0.083 R)
• M28: 40,445,729 km (0.071 R)
• M29: 41,361,717 km (0.078 R)
• M30: 49,713,168 km (0.081 R)
• M31: 57,957,656 km (0.05 R)
• M32: 67,494,071 km (0.055 R)
• M33: 71,850,810 km (0.075 R)

Kuiper Belt

Range: 30.5 - 47.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 299 - 19,259 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit