🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.08 AU - 1.28 AU

Year: 448 Days

Day: 19.2 Hours

Environment

Temp: 24 °C

Axial Tilt: 9.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.06 AU - 2.24 AU

Year: 1103 Days

Day: 35.7 Hours

Environment

Temp: -57 °C

Axial Tilt: 16.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.21 AU - 2.87 AU

Year: 1416 Days

Day: 25.5 Hours

Environment

Temp: -69 °C

Axial Tilt: 18.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,634,161 km

• M1: 1,768,696 km (0.113 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.43 AU - 3.23 AU

Year: 1666 Days

Day: 25.2 Hours

Environment

Temp: -82 °C

Axial Tilt: 45.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.93 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.5

Radius: 14.5

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.4 AU - 8.66 AU

Year: 6521 Days

Day: 7.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,634,161 km

• M1: 278,402 km (0.116 R)
• M2: 1,180,327 km (0.116 R)
• M3: 1,821,803 km (0.093 R)
• M4: 2,577,422 km (0.094 R)
• M5: 3,129,887 km (0.061 R)
• M6: 5,416,789 km (0.059 R)
• M7: 8,581,831 km (0.083 R)
• M8: 9,867,326 km (0.112 R)
• M9: 12,242,791 km (0.11 R)
• M10: 13,063,933 km (0.11 R)
• M11: 13,767,342 km (0.067 R)
• M12: 15,692,966 km (0.115 R)
• M13: 24,674,673 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750

Radius: 12

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 8.08 AU - 8.92 AU

Year: 8670 Days

Day: 8.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,634,161 km

• M1: 149,299 km (0.118 R)
• M2: 639,082 km (0.08 R)
• M3: 1,671,906 km (0.077 R)
• M4: 2,435,453 km (0.097 R)
• M5: 3,057,631 km (0.108 R)
• M6: 8,660,370 km (0.106 R)
• M7: 9,532,227 km (0.079 R)
• M8: 10,161,884 km (0.097 R)
• M9: 11,940,453 km (0.101 R)
• M10: 14,288,392 km (0.048 R)
• M11: 15,113,723 km (0.1 R)
• M12: 16,376,629 km (0.111 R)
• M13: 20,988,731 km (0.069 R)
• M14: 21,888,712 km (0.029 R)
• M15: 24,029,756 km (0.107 R)
• M16: 25,471,281 km (0.069 R)
• M17: 27,740,382 km (0.107 R)
• M18: 31,497,981 km (0.092 R)
• M19: 34,109,212 km (0.071 R)
• M20: 38,050,667 km (0.057 R)
• M21: 39,758,327 km (0.09 R)
• M22: 40,756,893 km (0.036 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.3

Radius: 11

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 10.7 AU - 12.82 AU

Year: 14109 Days

Day: 7.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 56,634,161 km

• M1: 388,506 km (0.032 R)
• M2: 791,223 km (0.077 R)
• M3: 1,167,911 km (0.109 R)
• M4: 2,832,636 km (0.087 R)
• M5: 3,689,981 km (0.091 R)
• M6: 4,625,566 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 247.9

Radius: 6.4

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 12.97 AU - 18.03 AU

Year: 21349 Days

Day: 20.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,634,161 km

• M1: 84,074 km (0.116 R)
• M2: 306,975 km (0.091 R)
• M3: 610,808 km (0.091 R)
• M4: 1,321,099 km (0.11 R)
• M5: 2,263,416 km (0.03 R)
• M6: 2,740,184 km (0.039 R)
• M7: 2,990,910 km (0.094 R)
• M8: 3,281,878 km (0.092 R)
• M9: 4,299,592 km (0.103 R)
• M10: 4,576,049 km (0.112 R)
• M11: 4,864,324 km (0.076 R)
• M12: 6,026,550 km (0.108 R)
• M13: 7,406,441 km (0.111 R)
• M14: 7,894,728 km (0.114 R)
• M15: 9,905,473 km (0.106 R)
• M16: 14,356,010 km (0.106 R)
• M17: 16,412,831 km (0.091 R)
• M18: 17,472,732 km (0.101 R)
• M19: 17,862,135 km (0.052 R)
• M20: 18,416,994 km (0.075 R)
• M21: 24,226,029 km (0.064 R)
• M22: 24,807,815 km (0.098 R)
• M23: 31,148,072 km (0.104 R)
• M24: 33,599,682 km (0.088 R)
• M25: 34,201,813 km (0.102 R)
• M26: 34,933,945 km (0.112 R)
• M27: 39,413,653 km (0.072 R)
• M28: 47,958,085 km (0.112 R)
• M29: 50,428,844 km (0.078 R)
• M30: 52,497,782 km (0.113 R)
• M31: 56,126,728 km (0.101 R)

Kuiper Belt

Range: 31.4 - 52.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 12,924 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit