🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.87 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.61 AU - 1.87 AU

Year: 981 Days

Day: 24.5 Hours

Environment

Temp: -101 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 41,310,060 km

• M1: 63,130 km (0.076 R)
• M2: 281,244 km (0.112 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.53 AU - 2.07 AU

Year: 1032 Days

Day: 13.2 Hours

Environment

Temp: -115 °C

Axial Tilt: 14.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,310,060 km

• M1: 570,267 km (0.105 R)

Asteroid Belt

Center: 2.12 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.38 AU - 2.5 AU

Year: 1629 Days

Day: 22 Hours

Environment

Temp: -119 °C

Axial Tilt: 66.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.36 AU - 2.58 AU

Year: 1659 Days

Day: 22.8 Hours

Environment

Temp: -124 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.9

Radius: 11.8

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.71 AU - 2.95 AU

Year: 2035 Days

Day: 10.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,310,060 km

• M1: 151,393 km (0.062 R)
• M2: 591,510 km (0.097 R)
• M3: 1,120,338 km (0.077 R)
• M4: 1,487,900 km (0.11 R)
• M5: 1,927,718 km (0.066 R)
• M6: 2,383,842 km (0.11 R)
• M7: 2,831,588 km (0.113 R)
• M8: 4,049,465 km (0.093 R)
• M9: 4,635,739 km (0.08 R)
• M10: 5,077,352 km (0.069 R)
• M11: 5,568,033 km (0.106 R)
• M12: 7,436,660 km (0.038 R)
• M13: 9,148,957 km (0.119 R)
• M14: 10,097,407 km (0.071 R)
• M15: 11,554,790 km (0.044 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.7

Radius: 13.7

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.89 AU - 3.31 AU

Year: 2333 Days

Day: 8.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,310,060 km

• M1: 170,990 km (0.09 R)
• M2: 964,308 km (0.111 R)
• M3: 1,561,503 km (0.043 R)
• M4: 2,187,121 km (0.109 R)
• M5: 2,678,251 km (0.067 R)
• M6: 5,087,375 km (0.057 R)
• M7: 7,675,717 km (0.086 R)
• M8: 8,106,709 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.3

Radius: 14.6

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.03 AU - 4.39 AU

Year: 3693 Days

Day: 5 Hours

Environment

Temp: -167 °C

Axial Tilt: 128.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,310,060 km

• M1: 181,612 km (0.072 R)
• M2: 638,334 km (0.042 R)
• M3: 1,434,793 km (0.103 R)
• M4: 2,395,212 km (0.079 R)
• M5: 4,434,679 km (0.117 R)
• M6: 6,556,276 km (0.063 R)
• M7: 7,450,572 km (0.101 R)
• M8: 11,365,249 km (0.065 R)
• M9: 12,045,022 km (0.109 R)
• M10: 12,945,153 km (0.029 R)
• M11: 13,536,363 km (0.119 R)
• M12: 15,693,864 km (0.115 R)
• M13: 16,825,721 km (0.067 R)
• M14: 18,811,483 km (0.093 R)
• M15: 19,699,496 km (0.03 R)
• M16: 20,681,756 km (0.04 R)
• M17: 21,286,580 km (0.109 R)
• M18: 22,321,049 km (0.031 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.1

Radius: 8.3

Gravity: 14.04 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 7.04 AU - 11 AU

Year: 11581 Days

Day: 13.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 41,310,060 km

• M1: 103,372 km (0.08 R)
• M2: 388,954 km (0.094 R)
• M3: 691,591 km (0.102 R)
• M4: 1,039,256 km (0.094 R)
• M5: 1,546,992 km (0.108 R)
• M6: 1,849,778 km (0.091 R)
• M7: 2,308,894 km (0.058 R)
• M8: 2,707,123 km (0.101 R)
• M9: 4,123,665 km (0.112 R)
• M10: 4,908,905 km (0.047 R)
• M11: 5,284,545 km (0.027 R)
• M12: 6,171,062 km (0.091 R)
• M13: 6,527,853 km (0.108 R)
• M14: 11,181,842 km (0.05 R)
• M15: 11,474,905 km (0.103 R)
• M16: 12,572,654 km (0.075 R)
• M17: 15,548,604 km (0.1 R)
• M18: 17,590,316 km (0.106 R)
• M19: 20,582,124 km (0.103 R)
• M20: 26,918,342 km (0.098 R)
• M21: 38,549,127 km (0.09 R)
• M22: 38,950,050 km (0.064 R)
• M23: 39,218,877 km (0.106 R)
• M24: 41,694,423 km (0.058 R)
• M25: 43,257,421 km (0.097 R)
• M26: 47,872,067 km (0.071 R)
• M27: 52,969,016 km (0.111 R)
• M28: 53,630,537 km (0.106 R)
• M29: 56,503,565 km (0.062 R)
• M30: 58,065,366 km (0.104 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.9

Radius: 9.5

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 7.97 AU - 11.19 AU

Year: 12676 Days

Day: 6.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,310,060 km

• M1: 118,182 km (0.057 R)
• M2: 478,264 km (0.09 R)
• M3: 1,208,302 km (0.082 R)
• M4: 1,722,919 km (0.097 R)
• M5: 4,504,990 km (0.059 R)
• M6: 5,843,442 km (0.118 R)
• M7: 6,285,504 km (0.1 R)
• M8: 7,084,207 km (0.094 R)
• M9: 8,578,092 km (0.114 R)
• M10: 10,516,431 km (0.108 R)
• M11: 10,815,477 km (0.046 R)
• M12: 12,786,579 km (0.099 R)
• M13: 13,416,087 km (0.106 R)
• M14: 14,186,516 km (0.096 R)
• M15: 14,798,969 km (0.06 R)
• M16: 16,877,931 km (0.078 R)
• M17: 17,495,920 km (0.082 R)
• M18: 18,487,454 km (0.093 R)
• M19: 19,144,339 km (0.076 R)
• M20: 21,606,271 km (0.068 R)
• M21: 22,171,751 km (0.119 R)
• M22: 23,332,331 km (0.068 R)
• M23: 27,903,144 km (0.103 R)
• M24: 28,864,460 km (0.118 R)
• M25: 29,947,250 km (0.095 R)
• M26: 31,570,237 km (0.078 R)
• M27: 34,990,792 km (0.101 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 483 - 19,222 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit