🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.53 AU - 0.63 AU

Year: 290 Days

Day: 30 Hours

Environment

Temp: -132 °C

Axial Tilt: 21.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668

Radius: 11.6

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.21 AU - 1.59 AU

Year: 1087 Days

Day: 9.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 147.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,364,452 km

• M1: 144,212 km (0.103 R)
• M2: 560,394 km (0.108 R)
• M3: 935,585 km (0.107 R)
• M4: 1,340,247 km (0.071 R)
• M5: 2,789,402 km (0.061 R)
• M6: 3,313,443 km (0.087 R)
• M7: 3,823,273 km (0.112 R)
• M8: 4,214,172 km (0.039 R)
• M9: 4,595,946 km (0.052 R)
• M10: 5,154,245 km (0.115 R)
• M11: 5,530,783 km (0.073 R)
• M12: 6,703,032 km (0.1 R)
• M13: 7,826,661 km (0.119 R)
• M14: 8,352,648 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.4

Radius: 11.9

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.2 AU - 1.9 AU

Year: 1266 Days

Day: 10.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,364,452 km

• M1: 147,952 km (0.078 R)
• M2: 781,350 km (0.026 R)
• M3: 1,443,171 km (0.033 R)
• M4: 1,879,996 km (0.118 R)
• M5: 2,381,149 km (0.118 R)
• M6: 2,872,878 km (0.05 R)
• M7: 3,639,567 km (0.082 R)
• M8: 4,443,805 km (0.077 R)
• M9: 6,525,609 km (0.039 R)
• M10: 7,821,874 km (0.111 R)
• M11: 8,472,775 km (0.118 R)
• M12: 9,500,961 km (0.109 R)
• M13: 10,308,640 km (0.054 R)
• M14: 12,471,675 km (0.047 R)
• M15: 13,203,209 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.3

Radius: 8.1

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.88 AU - 1.94 AU

Year: 1732 Days

Day: 12.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 157.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,364,452 km

• M1: 145,110 km (0.07 R)
• M2: 590,612 km (0.06 R)
• M3: 871,707 km (0.101 R)
• M4: 1,259,315 km (0.087 R)
• M5: 1,520,064 km (0.097 R)
• M6: 1,918,144 km (0.074 R)
• M7: 3,784,377 km (0.105 R)
• M8: 4,317,993 km (0.063 R)
• M9: 4,940,170 km (0.105 R)
• M10: 6,176,746 km (0.028 R)
• M11: 6,720,236 km (0.104 R)
• M12: 8,093,993 km (0.109 R)
• M13: 11,560,325 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.9

Radius: 13

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.53 AU - 5.15 AU

Year: 5931 Days

Day: 14.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,364,452 km

• M1: 161,715 km (0.105 R)
• M2: 731,534 km (0.075 R)
• M3: 1,430,754 km (0.11 R)
• M4: 1,846,636 km (0.112 R)
• M5: 2,856,272 km (0.08 R)
• M6: 3,962,399 km (0.091 R)
• M7: 4,561,538 km (0.106 R)
• M8: 4,994,026 km (0.087 R)
• M9: 5,573,418 km (0.096 R)
• M10: 6,132,765 km (0.078 R)
• M11: 6,559,867 km (0.04 R)
• M12: 7,924,199 km (0.09 R)
• M13: 8,837,345 km (0.103 R)
• M14: 12,724,047 km (0.095 R)
• M15: 16,471,025 km (0.117 R)
• M16: 17,626,369 km (0.088 R)
• M17: 21,119,180 km (0.094 R)
• M18: 25,720,212 km (0.092 R)
• M19: 27,539,023 km (0.073 R)
• M20: 27,984,376 km (0.075 R)
• M21: 29,814,257 km (0.094 R)
• M22: 34,426,509 km (0.106 R)

Asteroid Belt

Center: 5.14 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 288.1

Radius: 4.8

Gravity: 12.5 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.78 AU - 7.08 AU

Year: 9473 Days

Day: 21 Hours

Environment

Temp: -219 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,364,452 km

• M1: 60,886 km (0.11 R)
• M2: 300,692 km (0.092 R)
• M3: 956,529 km (0.091 R)
• M4: 1,542,354 km (0.11 R)
• M5: 2,603,452 km (0.095 R)
• M6: 2,847,595 km (0.117 R)
• M7: 3,514,204 km (0.09 R)
• M8: 5,750,393 km (0.111 R)
• M9: 6,230,751 km (0.064 R)
• M10: 7,089,742 km (0.104 R)
• M11: 7,417,511 km (0.086 R)
• M12: 10,553,531 km (0.098 R)
• M13: 11,768,864 km (0.086 R)
• M14: 12,912,989 km (0.059 R)
• M15: 16,281,185 km (0.073 R)
• M16: 22,131,509 km (0.091 R)
• M17: 24,519,989 km (0.065 R)
• M18: 26,724,463 km (0.101 R)
• M19: 29,335,095 km (0.042 R)
• M20: 34,123,873 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 49.6

Radius: 5.6

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 7 AU - 10.12 AU

Year: 16429 Days

Day: 24.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,364,452 km

• M1: 69,713 km (0.103 R)
• M2: 373,247 km (0.071 R)
• M3: 945,159 km (0.031 R)
• M4: 1,228,947 km (0.085 R)
• M5: 1,741,020 km (0.069 R)
• M6: 2,260,424 km (0.112 R)
• M7: 2,752,900 km (0.06 R)
• M8: 3,314,191 km (0.093 R)
• M9: 3,815,643 km (0.047 R)
• M10: 4,271,169 km (0.118 R)
• M11: 5,127,617 km (0.108 R)
• M12: 7,140,755 km (0.095 R)
• M13: 8,377,780 km (0.084 R)
• M14: 10,297,420 km (0.112 R)
• M15: 15,424,737 km (0.043 R)
• M16: 17,170,245 km (0.11 R)
• M17: 18,914,257 km (0.027 R)
• M18: 23,411,618 km (0.094 R)
• M19: 26,105,427 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.6

Radius: 7.8

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 9.2 AU - 10.48 AU

Year: 20249 Days

Day: 17.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 58,364,452 km

• M1: 97,089 km (0.115 R)
• M2: 349,311 km (0.075 R)
• M3: 668,104 km (0.115 R)
• M4: 1,144,873 km (0.087 R)
• M5: 1,970,802 km (0.077 R)
• M6: 2,510,551 km (0.075 R)
• M7: 3,526,919 km (0.055 R)
• M8: 4,475,819 km (0.046 R)
• M9: 6,069,634 km (0.115 R)
• M10: 6,703,331 km (0.093 R)
• M11: 7,207,027 km (0.103 R)
• M12: 7,556,637 km (0.111 R)
• M13: 8,102,221 km (0.085 R)
• M14: 8,480,404 km (0.095 R)
• M15: 10,944,580 km (0.054 R)
• M16: 13,387,813 km (0.103 R)
• M17: 14,051,130 km (0.112 R)
• M18: 15,016,185 km (0.114 R)
• M19: 15,732,310 km (0.086 R)
• M20: 19,072,382 km (0.07 R)
• M21: 19,573,236 km (0.112 R)
• M22: 22,301,452 km (0.045 R)
• M23: 29,373,991 km (0.103 R)
• M24: 31,292,583 km (0.039 R)
• M25: 38,864,629 km (0.113 R)
• M26: 39,131,661 km (0.051 R)
• M27: 42,573,908 km (0.09 R)
• M28: 42,857,845 km (0.097 R)
• M29: 44,733,354 km (0.096 R)
• M30: 46,362,624 km (0.028 R)
• M31: 49,269,460 km (0.09 R)
• M32: 51,809,632 km (0.077 R)
• M33: 54,770,174 km (0.116 R)
• M34: 58,015,550 km (0.101 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 15,598 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit