🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.55 AU - 0.55 AU

Year: 154 Days

Day: 36.2 Hours

Environment

Temp: 152 °C

Axial Tilt: 17.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,309,978 km

• M1: 78,090 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.02 AU - 1.32 AU

Year: 479 Days

Day: 41.8 Hours

Environment

Temp: -21 °C

Axial Tilt: 37.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.62 AU - 1.84 AU

Year: 862 Days

Day: 34.7 Hours

Environment

Temp: -58 °C

Axial Tilt: 29.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.95 AU - 4.29 AU

Year: 2609 Days

Day: 43.1 Hours

Environment

Temp: -116 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.4 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.4

Radius: 12.2

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 5.16 AU - 5.2 AU

Year: 4465 Days

Day: 14.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,309,978 km

• M1: 153,487 km (0.114 R)
• M2: 634,594 km (0.115 R)
• M3: 2,003,115 km (0.115 R)
• M4: 2,424,233 km (0.11 R)
• M5: 2,832,486 km (0.047 R)
• M6: 3,595,286 km (0.084 R)
• M7: 4,271,618 km (0.066 R)
• M8: 4,666,107 km (0.092 R)
• M9: 5,615,156 km (0.092 R)
• M10: 6,274,883 km (0.118 R)
• M11: 6,786,657 km (0.043 R)
• M12: 7,535,843 km (0.073 R)
• M13: 8,226,537 km (0.073 R)
• M14: 10,598,560 km (0.082 R)
• M15: 13,709,747 km (0.084 R)
• M16: 14,408,968 km (0.114 R)
• M17: 17,075,999 km (0.106 R)
• M18: 19,247,561 km (0.06 R)
• M19: 20,538,292 km (0.078 R)
• M20: 23,595,175 km (0.079 R)
• M21: 25,073,052 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.6

Radius: 13.4

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.52 AU - 6.42 AU

Year: 4845 Days

Day: 12.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,309,978 km

• M1: 167,101 km (0.065 R)
• M2: 643,869 km (0.047 R)
• M3: 1,209,648 km (0.097 R)
• M4: 1,690,157 km (0.113 R)
• M5: 2,164,232 km (0.079 R)
• M6: 3,257,643 km (0.109 R)
• M7: 4,446,498 km (0.114 R)
• M8: 4,880,331 km (0.079 R)
• M9: 5,667,067 km (0.05 R)
• M10: 6,178,542 km (0.068 R)
• M11: 6,800,869 km (0.102 R)
• M12: 8,416,825 km (0.075 R)
• M13: 11,339,967 km (0.028 R)
• M14: 12,355,139 km (0.063 R)
• M15: 12,926,303 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.1

Radius: 11

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.01 AU - 8.93 AU

Year: 7733 Days

Day: 11.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,309,978 km

• M1: 137,630 km (0.035 R)
• M2: 502,948 km (0.109 R)
• M3: 1,343,239 km (0.085 R)
• M4: 1,769,593 km (0.116 R)
• M5: 2,516,087 km (0.118 R)
• M6: 5,060,746 km (0.056 R)
• M7: 6,347,886 km (0.117 R)
• M8: 6,846,347 km (0.034 R)
• M9: 8,843,777 km (0.107 R)
• M10: 11,151,773 km (0.12 R)
• M11: 12,692,781 km (0.042 R)
• M12: 14,492,294 km (0.109 R)
• M13: 19,243,971 km (0.102 R)
• M14: 21,769,781 km (0.119 R)
• M15: 23,153,562 km (0.081 R)
• M16: 26,914,751 km (0.107 R)
• M17: 28,988,178 km (0.113 R)
• M18: 36,630,086 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156.4

Radius: 4

Gravity: 9.78 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 12.59 AU - 20.89 AU

Year: 25941 Days

Day: 19.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,309,978 km

• M1: 59,390 km (0.103 R)
• M2: 1,571,825 km (0.11 R)
• M3: 1,826,740 km (0.106 R)
• M4: 3,586,459 km (0.052 R)
• M5: 4,474,024 km (0.079 R)
• M6: 5,393,602 km (0.027 R)
• M7: 6,276,379 km (0.12 R)
• M8: 8,046,121 km (0.111 R)
• M9: 11,748,818 km (0.078 R)
• M10: 15,792,898 km (0.042 R)
• M11: 18,842,001 km (0.075 R)
• M12: 22,171,302 km (0.082 R)
• M13: 31,532,688 km (0.064 R)
• M14: 32,919,759 km (0.062 R)
• M15: 37,708,088 km (0.086 R)
• M16: 43,502,612 km (0.089 R)
• M17: 43,927,620 km (0.04 R)
• M18: 46,981,062 km (0.057 R)
• M19: 54,157,571 km (0.08 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 18,994 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit