🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.5 AU - 0.6 AU

Year: 154 Days

Day: 23.6 Hours

Environment

Temp: 198 °C

Axial Tilt: 23.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 47,697,645 km

• M1: 29,172 km (0.107 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.86 AU - 0.94 AU

Year: 323 Days

Day: 45.7 Hours

Environment

Temp: 30 °C

Axial Tilt: 12.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 47,697,645 km

• M1: 28,274 km (0.063 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.89 AU - 0.99 AU

Year: 345 Days

Day: 18 Hours

Environment

Temp: 18 °C

Axial Tilt: 14.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.74 AU - 2.7 AU

Year: 1253 Days

Day: 16.9 Hours

Environment

Temp: -82 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.7 AU - 2.8 AU

Year: 1278 Days

Day: 29.6 Hours

Environment

Temp: -94 °C

Axial Tilt: 33.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.6

Radius: 14.6

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.95 AU - 5.75 AU

Year: 4045 Days

Day: 6.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 47,697,645 km

• M1: 181,761 km (0.075 R)
• M2: 784,192 km (0.074 R)
• M3: 1,248,993 km (0.074 R)
• M4: 1,743,414 km (0.101 R)
• M5: 2,355,867 km (0.053 R)
• M6: 3,092,038 km (0.084 R)
• M7: 3,720,798 km (0.109 R)
• M8: 4,577,695 km (0.056 R)
• M9: 5,131,805 km (0.082 R)
• M10: 5,787,493 km (0.098 R)
• M11: 6,498,532 km (0.072 R)
• M12: 9,738,073 km (0.065 R)
• M13: 11,008,758 km (0.044 R)
• M14: 13,368,664 km (0.063 R)
• M15: 13,826,882 km (0.101 R)
• M16: 14,774,884 km (0.108 R)
• M17: 15,375,220 km (0.062 R)
• M18: 15,878,617 km (0.113 R)
• M19: 17,394,792 km (0.101 R)
• M20: 21,814,810 km (0.09 R)
• M21: 22,379,692 km (0.109 R)
• M22: 23,318,568 km (0.089 R)
• M23: 24,509,966 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.7

Radius: 13.2

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.28 AU - 9.04 AU

Year: 8030 Days

Day: 9.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,697,645 km

• M1: 164,258 km (0.106 R)
• M2: 693,685 km (0.107 R)
• M3: 1,179,280 km (0.085 R)
• M4: 3,624,457 km (0.06 R)
• M5: 4,036,450 km (0.03 R)
• M6: 4,600,883 km (0.111 R)
• M7: 5,419,931 km (0.108 R)
• M8: 6,133,662 km (0.095 R)
• M9: 6,935,956 km (0.116 R)
• M10: 7,490,066 km (0.086 R)
• M11: 8,973,329 km (0.095 R)
• M12: 12,037,692 km (0.106 R)
• M13: 14,774,585 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.5

Radius: 11.9

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.87 AU - 10.93 AU

Year: 10915 Days

Day: 6 Hours

Environment

Temp: -173 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 47,697,645 km

• M1: 147,952 km (0.119 R)
• M2: 607,517 km (0.081 R)
• M3: 1,012,927 km (0.109 R)
• M4: 1,691,503 km (0.104 R)
• M5: 3,595,884 km (0.092 R)
• M6: 4,366,463 km (0.072 R)
• M7: 4,836,948 km (0.037 R)
• M8: 6,455,447 km (0.081 R)
• M9: 8,102,221 km (0.082 R)
• M10: 8,907,656 km (0.091 R)
• M11: 9,282,249 km (0.067 R)
• M12: 9,765,450 km (0.104 R)
• M13: 14,706,817 km (0.069 R)
• M14: 15,364,449 km (0.097 R)
• M15: 16,041,679 km (0.103 R)
• M16: 16,597,734 km (0.095 R)
• M17: 20,288,314 km (0.086 R)
• M18: 21,687,203 km (0.031 R)
• M19: 23,414,161 km (0.096 R)
• M20: 23,859,963 km (0.084 R)
• M21: 39,265,103 km (0.096 R)
• M22: 42,744,899 km (0.045 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: 240 - 13,553 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit