🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.07 AU - 1.15 AU

Year: 448 Days

Day: 21.8 Hours

Environment

Temp: -4 °C

Axial Tilt: 14.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.91 AU - 1.37 AU

Year: 466 Days

Day: 29 Hours

Environment

Temp: -21 °C

Axial Tilt: 27.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.29 AU - 1.49 AU

Year: 627 Days

Day: 21.4 Hours

Environment

Temp: -49 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.06 AU - 3 AU

Year: 1541 Days

Day: 46.6 Hours

Environment

Temp: -105 °C

Axial Tilt: 20.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.73 AU - 4.27 AU

Year: 2507 Days

Day: 14.7 Hours

Environment

Temp: -128 °C

Axial Tilt: 27.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 55,287,346 km

• M1: 2,292,887 km (0.114 R)
• M2: 2,637,410 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.7

Radius: 9.3

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.5 AU - 5.2 AU

Year: 3474 Days

Day: 13.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,287,346 km

• M1: 115,639 km (0.098 R)
• M2: 536,757 km (0.068 R)
• M3: 1,194,240 km (0.065 R)
• M4: 1,562,400 km (0.096 R)
• M5: 2,058,018 km (0.105 R)
• M6: 2,413,163 km (0.049 R)
• M7: 3,247,919 km (0.089 R)
• M8: 4,493,920 km (0.116 R)
• M9: 5,923,477 km (0.033 R)
• M10: 6,392,317 km (0.05 R)
• M11: 7,055,784 km (0.119 R)
• M12: 8,163,257 km (0.113 R)
• M13: 10,429,664 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.2

Radius: 14.4

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.81 AU - 5.83 AU

Year: 4052 Days

Day: 9.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,287,346 km

• M1: 179,069 km (0.074 R)
• M2: 691,890 km (0.114 R)
• M3: 1,369,419 km (0.074 R)
• M4: 2,223,922 km (0.053 R)
• M5: 2,702,934 km (0.111 R)
• M6: 3,235,802 km (0.106 R)
• M7: 4,001,145 km (0.048 R)
• M8: 5,384,327 km (0.03 R)
• M9: 7,537,339 km (0.087 R)
• M10: 9,601,042 km (0.054 R)
• M11: 11,110,185 km (0.039 R)
• M12: 11,672,224 km (0.077 R)
• M13: 12,651,193 km (0.104 R)
• M14: 14,287,045 km (0.047 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404.9

Radius: 3.7

Gravity: 29.58 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 16.98 AU - 17.64 AU

Year: 27575 Days

Day: 19.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,287,346 km

• M1: 46,076 km (0.117 R)
• M2: 282,142 km (0.12 R)
• M3: 491,878 km (0.11 R)
• M4: 623,225 km (0.099 R)
• M5: 1,895,405 km (0.038 R)
• M6: 2,378,457 km (0.057 R)
• M7: 2,710,115 km (0.086 R)
• M8: 5,945,169 km (0.074 R)
• M9: 9,461,467 km (0.09 R)
• M10: 16,699,012 km (0.102 R)
• M11: 17,293,813 km (0.109 R)
• M12: 20,288,463 km (0.118 R)
• M13: 21,063,231 km (0.087 R)
• M14: 22,671,557 km (0.088 R)
• M15: 23,930,274 km (0.041 R)
• M16: 34,069,868 km (0.118 R)
• M17: 43,159,135 km (0.074 R)
• M18: 54,845,123 km (0.078 R)
• M19: 56,155,750 km (0.103 R)
• M20: 58,257,151 km (0.088 R)
• M21: 61,206,622 km (0.102 R)
• M22: 63,431,592 km (0.114 R)
• M23: 64,875,211 km (0.055 R)
• M24: 69,337,416 km (0.098 R)
• M25: 72,199,672 km (0.096 R)
• M26: 72,871,217 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 108.6

Radius: 7.4

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 17.03 AU - 20.49 AU

Year: 31111 Days

Day: 16.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,287,346 km

• M1: 514,018 km (0.106 R)
• M2: 781,200 km (0.063 R)
• M3: 1,062,145 km (0.108 R)
• M4: 1,986,809 km (0.103 R)
• M5: 2,561,415 km (0.092 R)
• M6: 2,798,079 km (0.111 R)
• M7: 3,758,647 km (0.1 R)
• M8: 4,541,941 km (0.109 R)
• M9: 5,054,912 km (0.12 R)
• M10: 6,545,954 km (0.062 R)
• M11: 6,950,167 km (0.075 R)
• M12: 8,783,340 km (0.085 R)
• M13: 14,834,125 km (0.069 R)
• M14: 23,658,155 km (0.12 R)
• M15: 28,885,254 km (0.082 R)
• M16: 32,225,775 km (0.09 R)
• M17: 34,469,593 km (0.027 R)
• M18: 35,076,961 km (0.087 R)
• M19: 41,275,549 km (0.057 R)
• M20: 42,236,565 km (0.066 R)
• M21: 43,918,344 km (0.063 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 17,720 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit