🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.8

Radius: 9.9

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.93 AU - 0.97 AU

Year: 628 Days

Day: 13.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,441,937 km

• M1: 123,568 km (0.105 R)
• M2: 534,513 km (0.064 R)
• M3: 853,605 km (0.103 R)
• M4: 1,190,051 km (0.063 R)
• M5: 1,956,740 km (0.075 R)
• M6: 2,279,124 km (0.077 R)
• M7: 2,728,067 km (0.101 R)
• M8: 3,297,735 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.6

Radius: 14.4

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.96 AU - 1.14 AU

Year: 730 Days

Day: 5.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,441,937 km

• M1: 179,069 km (0.066 R)
• M2: 752,926 km (0.105 R)
• M3: 1,281,605 km (0.075 R)
• M4: 2,615,719 km (0.111 R)
• M5: 3,182,695 km (0.11 R)
• M6: 3,737,553 km (0.116 R)
• M7: 4,297,648 km (0.08 R)
• M8: 6,343,399 km (0.097 R)
• M9: 6,917,854 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.4

Radius: 10.5

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.9 AU - 2.96 AU

Year: 2569 Days

Day: 9.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,441,937 km

• M1: 130,599 km (0.071 R)
• M2: 542,591 km (0.112 R)
• M3: 953,238 km (0.107 R)
• M4: 1,393,504 km (0.075 R)
• M5: 2,430,068 km (0.111 R)
• M6: 3,573,744 km (0.093 R)
• M7: 6,826,450 km (0.069 R)
• M8: 7,795,994 km (0.059 R)
• M9: 8,215,317 km (0.076 R)
• M10: 10,737,088 km (0.1 R)
• M11: 11,626,148 km (0.085 R)
• M12: 12,217,060 km (0.113 R)
• M13: 13,050,769 km (0.109 R)
• M14: 13,550,575 km (0.101 R)
• M15: 14,588,485 km (0.119 R)
• M16: 15,127,037 km (0.091 R)
• M17: 15,831,344 km (0.045 R)
• M18: 16,557,492 km (0.069 R)
• M19: 19,042,463 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.2

Radius: 10.3

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.93 AU - 3.39 AU

Year: 3810 Days

Day: 9.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,441,937 km

• M1: 132,544 km (0.118 R)
• M2: 494,421 km (0.03 R)
• M3: 874,549 km (0.05 R)
• M4: 1,522,308 km (0.112 R)
• M5: 2,151,816 km (0.119 R)
• M6: 3,217,701 km (0.038 R)
• M7: 3,843,169 km (0.118 R)
• M8: 4,220,754 km (0.118 R)
• M9: 4,548,074 km (0.1 R)
• M10: 5,050,873 km (0.104 R)
• M11: 5,742,165 km (0.067 R)
• M12: 8,709,887 km (0.076 R)
• M13: 10,179,836 km (0.06 R)
• M14: 10,872,474 km (0.045 R)
• M15: 11,596,229 km (0.105 R)
• M16: 12,425,300 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.2

Radius: 10.9

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.67 AU - 3.95 AU

Year: 5044 Days

Day: 13.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,441,937 km

• M1: 137,929 km (0.079 R)
• M2: 1,016,518 km (0.074 R)
• M3: 1,936,245 km (0.1 R)
• M4: 3,132,131 km (0.068 R)
• M5: 4,377,383 km (0.116 R)
• M6: 4,766,487 km (0.118 R)
• M7: 6,613,123 km (0.118 R)
• M8: 7,351,389 km (0.096 R)
• M9: 8,053,003 km (0.117 R)
• M10: 11,237,792 km (0.082 R)
• M11: 12,612,746 km (0.077 R)
• M12: 13,067,075 km (0.119 R)
• M13: 14,541,212 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.7

Radius: 11.8

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.64 AU - 5.76 AU

Year: 6911 Days

Day: 5.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 34,441,937 km

• M1: 146,756 km (0.107 R)
• M2: 538,253 km (0.115 R)
• M3: 1,347,129 km (0.102 R)
• M4: 1,733,091 km (0.12 R)
• M5: 2,330,585 km (0.117 R)
• M6: 3,670,234 km (0.117 R)
• M7: 4,119,477 km (0.049 R)
• M8: 5,159,780 km (0.116 R)
• M9: 5,790,934 km (0.074 R)
• M10: 6,437,645 km (0.112 R)
• M11: 7,361,412 km (0.118 R)
• M12: 7,754,854 km (0.114 R)
• M13: 11,585,906 km (0.081 R)
• M14: 12,669,593 km (0.104 R)
• M15: 16,861,924 km (0.091 R)
• M16: 18,038,960 km (0.086 R)
• M17: 18,902,289 km (0.112 R)
• M18: 19,868,243 km (0.086 R)
• M19: 20,248,521 km (0.047 R)
• M20: 22,632,961 km (0.094 R)
• M21: 23,637,212 km (0.097 R)
• M22: 24,758,298 km (0.045 R)
• M23: 25,734,424 km (0.103 R)
• M24: 27,574,478 km (0.098 R)
• M25: 32,872,935 km (0.118 R)
• M26: 36,267,161 km (0.051 R)
• M27: 37,990,529 km (0.047 R)
• M28: 39,169,360 km (0.105 R)
• M29: 40,009,053 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 155

Radius: 4.8

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 6.86 AU - 7.32 AU

Year: 12804 Days

Day: 15.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 34,441,937 km

• M1: 60,288 km (0.032 R)
• M2: 237,711 km (0.086 R)
• M3: 420,819 km (0.111 R)
• M4: 751,580 km (0.026 R)
• M5: 1,006,644 km (0.037 R)
• M6: 1,165,367 km (0.115 R)
• M7: 1,435,092 km (0.115 R)
• M8: 1,663,828 km (0.12 R)
• M9: 1,872,816 km (0.104 R)
• M10: 2,429,320 km (0.057 R)
• M11: 2,774,293 km (0.06 R)
• M12: 3,341,268 km (0.096 R)
• M13: 4,030,915 km (0.073 R)
• M14: 4,647,407 km (0.089 R)
• M15: 5,207,502 km (0.044 R)
• M16: 5,842,694 km (0.108 R)
• M17: 6,033,282 km (0.113 R)
• M18: 6,427,024 km (0.109 R)
• M19: 6,768,107 km (0.059 R)
• M20: 6,978,441 km (0.113 R)
• M21: 8,904,813 km (0.106 R)
• M22: 10,822,957 km (0.041 R)
• M23: 12,946,349 km (0.059 R)
• M24: 14,506,805 km (0.076 R)
• M25: 16,313,199 km (0.055 R)
• M26: 19,718,944 km (0.038 R)
• M27: 21,025,981 km (0.088 R)
• M28: 25,375,838 km (0.087 R)
• M29: 26,312,321 km (0.082 R)
• M30: 30,574,065 km (0.1 R)
• M31: 31,731,504 km (0.108 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 421 - 16,698 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit