🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.72 AU - 0.72 AU

Year: 231 Days

Day: 28 Hours

Environment

Temp: 164 °C

Axial Tilt: 21.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.87 AU - 1.03 AU

Year: 351 Days

Day: 13.8 Hours

Environment

Temp: 28 °C

Axial Tilt: 36.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 39,799,668 km

• M1: 59,091 km (0.042 R)
• M2: 604,525 km (0.065 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.5 AU - 1.6 AU

Year: 731 Days

Day: 44.2 Hours

Environment

Temp: -54 °C

Axial Tilt: 49.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.06 AU - 2.36 AU

Year: 1244 Days

Day: 17.6 Hours

Environment

Temp: -85 °C

Axial Tilt: 23.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,799,668 km

• M1: 94,247 km (0.119 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.19 AU - 4.07 AU

Year: 2619 Days

Day: 40.9 Hours

Environment

Temp: -126 °C

Axial Tilt: 12.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 39,799,668 km

• M1: 38,746 km (0.104 R)
• M2: 2,075,371 km (0.116 R)

Asteroid Belt

Center: 4.4 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.2

Radius: 9.4

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.02 AU - 6.3 AU

Year: 4439 Days

Day: 11.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 39,799,668 km

• M1: 116,986 km (0.116 R)
• M2: 2,091,528 km (0.087 R)
• M3: 3,803,675 km (0.096 R)
• M4: 5,699,529 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.1

Radius: 14.8

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 5.28 AU - 7.06 AU

Year: 5805 Days

Day: 6.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,799,668 km

• M1: 185,501 km (0.063 R)
• M2: 660,175 km (0.108 R)
• M3: 1,894,956 km (0.099 R)
• M4: 2,805,558 km (0.117 R)
• M5: 3,312,246 km (0.077 R)
• M6: 5,436,536 km (0.119 R)
• M7: 8,019,194 km (0.066 R)
• M8: 9,211,788 km (0.079 R)
• M9: 10,042,056 km (0.056 R)
• M10: 11,241,682 km (0.079 R)
• M11: 12,435,622 km (0.107 R)
• M12: 14,519,820 km (0.054 R)
• M13: 19,238,436 km (0.104 R)
• M14: 23,882,103 km (0.079 R)
• M15: 24,345,258 km (0.106 R)
• M16: 26,504,105 km (0.026 R)
• M17: 27,419,345 km (0.09 R)
• M18: 28,701,099 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.2

Radius: 10.7

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 8.8 AU - 10.42 AU

Year: 11283 Days

Day: 7.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,799,668 km

• M1: 135,984 km (0.077 R)
• M2: 482,603 km (0.071 R)
• M3: 1,140,983 km (0.101 R)
• M4: 2,482,577 km (0.068 R)
• M5: 7,490,515 km (0.077 R)
• M6: 8,506,135 km (0.116 R)
• M7: 10,901,945 km (0.076 R)
• M8: 17,551,421 km (0.072 R)
• M9: 18,133,506 km (0.109 R)
• M10: 19,887,391 km (0.12 R)
• M11: 21,238,559 km (0.112 R)
• M12: 27,002,416 km (0.039 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217

Radius: 9.4

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 9.99 AU - 11.61 AU

Year: 13443 Days

Day: 7.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,799,668 km

• M1: 117,734 km (0.069 R)
• M2: 505,790 km (0.05 R)
• M3: 1,135,597 km (0.045 R)
• M4: 1,649,167 km (0.082 R)
• M5: 2,452,807 km (0.03 R)
• M6: 7,160,801 km (0.118 R)
• M7: 8,602,925 km (0.086 R)
• M8: 8,991,879 km (0.047 R)
• M9: 9,620,190 km (0.076 R)
• M10: 14,200,129 km (0.075 R)
• M11: 14,500,671 km (0.117 R)
• M12: 15,427,580 km (0.094 R)
• M13: 17,399,579 km (0.107 R)
• M14: 19,459,990 km (0.11 R)
• M15: 20,972,425 km (0.116 R)
• M16: 24,659,563 km (0.117 R)
• M17: 25,622,375 km (0.075 R)
• M18: 26,068,327 km (0.042 R)
• M19: 26,519,364 km (0.116 R)
• M20: 27,251,945 km (0.109 R)
• M21: 30,119,437 km (0.084 R)
• M22: 35,888,080 km (0.078 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 13,082 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit