🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.59 AU - 0.81 AU

Year: 215 Days

Day: 23.9 Hours

Environment

Temp: 131 °C

Axial Tilt: 4.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 1.1 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.33 AU - 1.67 AU

Year: 674 Days

Day: 46.6 Hours

Environment

Temp: -38 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.67 AU - 1.71 AU

Year: 806 Days

Day: 34.9 Hours

Environment

Temp: -48 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.38 AU - 3.74 AU

Year: 1965 Days

Day: 15.5 Hours

Environment

Temp: -114 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.4 AU - 3.9 AU

Year: 2052 Days

Day: 16.1 Hours

Environment

Temp: -106 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 113,065,910 km

• M1: 1,341,145 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.2

Radius: 13

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5.9 AU - 9.66 AU

Year: 7966 Days

Day: 10 Hours

Environment

Temp: -158 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 113,065,910 km

• M1: 161,715 km (0.114 R)
• M2: 1,359,545 km (0.12 R)
• M3: 2,066,545 km (0.11 R)
• M4: 2,666,133 km (0.065 R)
• M5: 3,334,537 km (0.026 R)
• M6: 5,376,099 km (0.044 R)
• M7: 6,064,099 km (0.084 R)
• M8: 6,590,684 km (0.118 R)
• M9: 7,418,558 km (0.106 R)
• M10: 8,272,164 km (0.101 R)
• M11: 10,370,723 km (0.109 R)
• M12: 12,690,238 km (0.097 R)
• M13: 14,892,917 km (0.093 R)
• M14: 16,317,687 km (0.089 R)
• M15: 16,994,468 km (0.11 R)
• M16: 21,859,690 km (0.083 R)
• M17: 22,516,424 km (0.058 R)
• M18: 23,017,428 km (0.117 R)
• M19: 24,390,138 km (0.066 R)
• M20: 25,635,390 km (0.114 R)
• M21: 26,182,021 km (0.117 R)
• M22: 32,399,159 km (0.061 R)
• M23: 33,038,241 km (0.051 R)
• M24: 34,341,538 km (0.079 R)
• M25: 35,005,902 km (0.118 R)
• M26: 41,004,178 km (0.073 R)
• M27: 41,626,804 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672.2

Radius: 5.8

Gravity: 19.98 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 13.54 AU - 15.14 AU

Year: 19934 Days

Day: 20.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 113,065,910 km

• M1: 72,256 km (0.101 R)
• M2: 392,545 km (0.059 R)
• M3: 4,440,813 km (0.058 R)
• M4: 7,798,088 km (0.113 R)
• M5: 9,953,345 km (0.102 R)
• M6: 13,167,605 km (0.09 R)
• M7: 21,252,921 km (0.104 R)
• M8: 25,266,033 km (0.111 R)
• M9: 30,988,301 km (0.099 R)
• M10: 33,290,014 km (0.086 R)
• M11: 34,081,985 km (0.115 R)
• M12: 34,751,436 km (0.075 R)
• M13: 44,269,301 km (0.116 R)
• M14: 44,905,990 km (0.061 R)
• M15: 53,747,224 km (0.115 R)
• M16: 56,684,279 km (0.089 R)
• M17: 63,478,715 km (0.114 R)
• M18: 72,764,554 km (0.111 R)
• M19: 74,544,619 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 217.8

Radius: 3.1

Gravity: 22.66 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 11.7 AU - 17.08 AU

Year: 20038 Days

Day: 16.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 113,065,910 km

• M1: 38,596 km (0.105 R)
• M2: 341,532 km (0.092 R)
• M3: 492,775 km (0.086 R)
• M4: 765,941 km (0.074 R)
• M5: 962,363 km (0.101 R)
• M6: 1,399,787 km (0.111 R)
• M7: 2,324,153 km (0.079 R)
• M8: 2,670,472 km (0.065 R)
• M9: 3,050,301 km (0.09 R)
• M10: 3,289,807 km (0.114 R)
• M11: 4,965,453 km (0.113 R)
• M12: 5,364,729 km (0.109 R)
• M13: 6,494,792 km (0.09 R)
• M14: 6,611,927 km (0.05 R)
• M15: 10,873,820 km (0.115 R)
• M16: 11,262,027 km (0.117 R)
• M17: 11,488,069 km (0.107 R)
• M18: 17,034,111 km (0.05 R)
• M19: 26,542,851 km (0.085 R)
• M20: 34,848,226 km (0.082 R)
• M21: 47,755,829 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 956

Radius: 5.1

Gravity: 36.76 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 18.92 AU - 19.3 AU

Year: 30666 Days

Day: 15.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 113,065,910 km

• M1: 63,429 km (0.106 R)
• M2: 543,788 km (0.117 R)
• M3: 1,170,903 km (0.091 R)
• M4: 1,937,143 km (0.089 R)
• M5: 2,166,327 km (0.108 R)
• M6: 2,465,223 km (0.111 R)
• M7: 3,801,132 km (0.034 R)
• M8: 5,379,689 km (0.091 R)
• M9: 5,787,343 km (0.055 R)
• M10: 12,174,125 km (0.052 R)
• M11: 12,717,465 km (0.093 R)
• M12: 14,358,852 km (0.095 R)
• M13: 14,790,293 km (0.088 R)
• M14: 15,053,286 km (0.1 R)
• M15: 15,319,420 km (0.102 R)
• M16: 16,415,225 km (0.099 R)
• M17: 16,697,217 km (0.101 R)
• M18: 18,864,142 km (0.056 R)
• M19: 19,591,188 km (0.097 R)
• M20: 22,111,612 km (0.1 R)
• M21: 26,093,160 km (0.117 R)
• M22: 27,917,655 km (0.12 R)
• M23: 28,589,350 km (0.075 R)
• M24: 31,096,760 km (0.101 R)
• M25: 32,699,103 km (0.117 R)
• M26: 33,595,942 km (0.063 R)
• M27: 43,662,981 km (0.096 R)
• M28: 48,889,631 km (0.097 R)
• M29: 51,052,069 km (0.043 R)
• M30: 52,460,981 km (0.071 R)
• M31: 55,989,845 km (0.118 R)
• M32: 60,340,301 km (0.12 R)
• M33: 60,563,501 km (0.079 R)
• M34: 62,369,447 km (0.119 R)
• M35: 62,826,319 km (0.083 R)
• M36: 64,443,472 km (0.032 R)
• M37: 69,216,392 km (0.099 R)
• M38: 76,809,232 km (0.106 R)
• M39: 78,391,528 km (0.111 R)
• M40: 80,534,967 km (0.072 R)
• M41: 85,218,876 km (0.101 R)
• M42: 87,199,103 km (0.067 R)
• M43: 97,869,769 km (0.086 R)
• M44: 101,295,710 km (0.108 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: 293 - 14,426 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit