🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.19 AU - 1.31 AU

Year: 493 Days

Day: 31.9 Hours

Environment

Temp: 5 °C

Axial Tilt: 33.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.57 AU - 1.59 AU

Year: 701 Days

Day: 23.2 Hours

Environment

Temp: -27 °C

Axial Tilt: 12.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 110,699,207 km

• M1: 47,123 km (0.115 R)
• M2: 315,951 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.9 AU - 2.78 AU

Year: 1264 Days

Day: 30.3 Hours

Environment

Temp: -76 °C

Axial Tilt: 24.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.47 AU - 3.69 AU

Year: 2392 Days

Day: 34.9 Hours

Environment

Temp: -111 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.66 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.3

Radius: 13

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.94 AU - 6.52 AU

Year: 4843 Days

Day: 7.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 110,699,207 km

• M1: 162,014 km (0.105 R)
• M2: 590,612 km (0.068 R)
• M3: 1,187,957 km (0.091 R)
• M4: 1,603,091 km (0.081 R)
• M5: 3,020,082 km (0.114 R)
• M6: 4,985,499 km (0.029 R)
• M7: 10,654,061 km (0.079 R)
• M8: 18,584,095 km (0.091 R)
• M9: 19,394,766 km (0.084 R)
• M10: 21,014,312 km (0.112 R)
• M11: 21,451,287 km (0.076 R)
• M12: 24,441,001 km (0.079 R)
• M13: 25,414,135 km (0.12 R)
• M14: 25,993,677 km (0.059 R)
• M15: 27,179,240 km (0.078 R)
• M16: 29,114,738 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 528.9

Radius: 3.2

Gravity: 51.65 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 12.5 AU - 17.34 AU

Year: 20349 Days

Day: 21.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 110,699,207 km

• M1: 39,793 km (0.112 R)
• M2: 225,294 km (0.087 R)
• M3: 405,261 km (0.066 R)
• M4: 587,620 km (0.104 R)
• M5: 843,732 km (0.108 R)
• M6: 1,103,284 km (0.113 R)
• M7: 4,903,968 km (0.042 R)
• M8: 6,385,585 km (0.086 R)
• M9: 7,227,672 km (0.03 R)
• M10: 7,651,333 km (0.041 R)
• M11: 8,756,263 km (0.11 R)
• M12: 10,546,799 km (0.102 R)
• M13: 12,768,777 km (0.1 R)
• M14: 15,283,966 km (0.104 R)
• M15: 19,065,800 km (0.101 R)
• M16: 22,923,181 km (0.12 R)
• M17: 24,769,518 km (0.061 R)
• M18: 30,052,417 km (0.069 R)
• M19: 33,919,223 km (0.095 R)
• M20: 35,500,921 km (0.112 R)
• M21: 43,842,199 km (0.1 R)
• M22: 44,150,969 km (0.107 R)
• M23: 56,990,655 km (0.049 R)
• M24: 59,787,836 km (0.068 R)
• M25: 62,285,073 km (0.119 R)
• M26: 62,871,048 km (0.1 R)
• M27: 64,054,068 km (0.099 R)
• M28: 67,691,989 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 814.5

Radius: 7.3

Gravity: 15.28 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 13.77 AU - 21.77 AU

Year: 26450 Days

Day: 18.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 110,699,207 km

• M1: 90,956 km (0.095 R)
• M2: 431,590 km (0.118 R)
• M3: 926,759 km (0.109 R)
• M4: 2,000,722 km (0.096 R)
• M5: 2,432,910 km (0.088 R)
• M6: 3,300,279 km (0.107 R)
• M7: 3,738,750 km (0.103 R)
• M8: 4,505,589 km (0.108 R)
• M9: 5,248,791 km (0.118 R)
• M10: 7,592,242 km (0.087 R)
• M11: 9,110,810 km (0.103 R)
• M12: 10,100,699 km (0.063 R)
• M13: 12,147,198 km (0.088 R)
• M14: 12,886,510 km (0.082 R)
• M15: 13,971,693 km (0.117 R)
• M16: 15,971,667 km (0.028 R)
• M17: 17,406,460 km (0.055 R)
• M18: 17,965,956 km (0.081 R)
• M19: 19,616,470 km (0.112 R)
• M20: 26,249,190 km (0.111 R)
• M21: 26,492,885 km (0.066 R)
• M22: 27,233,096 km (0.119 R)
• M23: 27,734,248 km (0.11 R)
• M24: 31,415,403 km (0.065 R)
• M25: 33,372,742 km (0.085 R)
• M26: 35,113,762 km (0.096 R)
• M27: 40,212,805 km (0.113 R)
• M28: 42,349,960 km (0.082 R)
• M29: 50,332,054 km (0.114 R)
• M30: 53,591,044 km (0.03 R)
• M31: 58,635,035 km (0.106 R)
• M32: 60,951,259 km (0.098 R)
• M33: 70,826,962 km (0.116 R)
• M34: 89,473,290 km (0.098 R)
• M35: 97,122,528 km (0.058 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 771.9

Radius: 3.4

Gravity: 66.77 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 17.77 AU - 23.47 AU

Year: 33062 Days

Day: 17.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 110,699,207 km

• M1: 50,414 km (0.048 R)
• M2: 156,330 km (0.116 R)
• M3: 279,898 km (0.104 R)
• M4: 1,009,636 km (0.099 R)
• M5: 1,172,997 km (0.051 R)
• M6: 1,496,727 km (0.107 R)
• M7: 1,898,846 km (0.071 R)
• M8: 2,220,332 km (0.114 R)
• M9: 3,500,889 km (0.041 R)
• M10: 3,840,925 km (0.072 R)
• M11: 4,391,595 km (0.076 R)
• M12: 5,119,538 km (0.073 R)
• M13: 5,467,503 km (0.115 R)
• M14: 8,718,115 km (0.114 R)
• M15: 19,579,669 km (0.077 R)
• M16: 20,213,365 km (0.083 R)
• M17: 25,035,952 km (0.106 R)
• M18: 25,656,633 km (0.101 R)
• M19: 33,472,972 km (0.054 R)
• M20: 38,652,051 km (0.109 R)
• M21: 67,520,849 km (0.081 R)
• M22: 73,161,736 km (0.09 R)
• M23: 79,374,087 km (0.109 R)
• M24: 80,174,585 km (0.111 R)
• M25: 89,049,928 km (0.102 R)

Kuiper Belt

Range: 31.1 - 58.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 15,665 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit