🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.75 AU - 1.05 AU

Year: 313 Days

Day: 38.4 Hours

Environment

Temp: 150 °C

Axial Tilt: 38.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 105,837,181 km

• M1: 22,888 km (0.077 R)
• M2: 335,847 km (0.1 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.11 AU - 1.63 AU

Year: 589 Days

Day: 37.3 Hours

Environment

Temp: -30 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.75 AU - 4.51 AU

Year: 3081 Days

Day: 26.1 Hours

Environment

Temp: -124 °C

Axial Tilt: 10.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.01 AU - 5.01 AU

Year: 3516 Days

Day: 21.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 13.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.25 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.2

Radius: 13.4

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.28 AU - 6.7 AU

Year: 5382 Days

Day: 6.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 105,837,181 km

• M1: 166,652 km (0.107 R)
• M2: 721,810 km (0.1 R)
• M3: 1,699,432 km (0.066 R)
• M4: 2,281,966 km (0.092 R)
• M5: 3,174,018 km (0.094 R)
• M6: 3,650,936 km (0.104 R)
• M7: 4,286,877 km (0.097 R)
• M8: 5,920,635 km (0.108 R)
• M9: 9,501,858 km (0.12 R)
• M10: 11,569,451 km (0.116 R)
• M11: 12,290,512 km (0.117 R)
• M12: 13,476,674 km (0.047 R)
• M13: 15,802,322 km (0.09 R)
• M14: 17,031,867 km (0.085 R)
• M15: 17,552,767 km (0.073 R)
• M16: 21,302,587 km (0.071 R)
• M17: 22,662,731 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.1

Radius: 10

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 9.89 AU - 11.23 AU

Year: 12597 Days

Day: 9.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 105,837,181 km

• M1: 124,316 km (0.077 R)
• M2: 436,078 km (0.1 R)
• M3: 1,106,127 km (0.099 R)
• M4: 1,606,980 km (0.086 R)
• M5: 2,235,291 km (0.05 R)
• M6: 2,660,449 km (0.089 R)
• M7: 2,996,595 km (0.063 R)
• M8: 3,463,490 km (0.073 R)
• M9: 4,151,491 km (0.092 R)
• M10: 5,909,415 km (0.092 R)
• M11: 6,407,127 km (0.05 R)
• M12: 7,100,065 km (0.1 R)
• M13: 10,655,707 km (0.085 R)
• M14: 12,846,717 km (0.095 R)
• M15: 14,624,089 km (0.077 R)
• M16: 18,498,973 km (0.106 R)
• M17: 20,241,340 km (0.101 R)
• M18: 23,858,018 km (0.054 R)
• M19: 26,427,062 km (0.09 R)
• M20: 27,990,210 km (0.073 R)
• M21: 29,394,037 km (0.103 R)
• M22: 33,406,102 km (0.051 R)
• M23: 39,082,294 km (0.09 R)
• M24: 39,884,588 km (0.119 R)
• M25: 44,785,115 km (0.099 R)
• M26: 45,811,206 km (0.064 R)
• M27: 51,496,673 km (0.073 R)
• M28: 53,600,917 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 801.6

Radius: 4.4

Gravity: 41.4 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 15.95 AU - 21.99 AU

Year: 30330 Days

Day: 19.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 105,837,181 km

• M1: 58,493 km (0.096 R)
• M2: 1,308,533 km (0.104 R)
• M3: 3,026,664 km (0.097 R)
• M4: 3,361,015 km (0.072 R)
• M5: 4,249,178 km (0.057 R)
• M6: 4,512,769 km (0.09 R)
• M7: 5,633,108 km (0.096 R)
• M8: 6,377,956 km (0.096 R)
• M9: 6,524,711 km (0.116 R)
• M10: 7,506,522 km (0.063 R)
• M11: 7,725,234 km (0.093 R)
• M12: 9,127,265 km (0.09 R)
• M13: 11,037,331 km (0.106 R)
• M14: 15,625,647 km (0.094 R)
• M15: 24,421,254 km (0.046 R)
• M16: 27,012,289 km (0.103 R)
• M17: 27,915,112 km (0.075 R)
• M18: 28,308,106 km (0.111 R)
• M19: 42,057,347 km (0.098 R)
• M20: 44,860,512 km (0.106 R)
• M21: 48,160,043 km (0.114 R)
• M22: 56,480,377 km (0.062 R)
• M23: 59,237,466 km (0.043 R)
• M24: 82,695,160 km (0.119 R)
• M25: 86,799,078 km (0.076 R)
• M26: 92,189,538 km (0.037 R)
• M27: 104,572,801 km (0.084 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 11,247 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit