🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.5

Radius: 12.3

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.59 AU - 0.81 AU

Year: 397 Days

Day: 8.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,134,635 km

• M1: 153,039 km (0.116 R)
• M2: 574,605 km (0.095 R)
• M3: 1,136,196 km (0.113 R)
• M4: 1,588,281 km (0.093 R)
• M5: 2,061,907 km (0.064 R)
• M6: 2,532,542 km (0.115 R)
• M7: 3,015,145 km (0.049 R)
• M8: 3,438,657 km (0.073 R)
• M9: 4,419,869 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.4

Radius: 12

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.63 AU - 0.83 AU

Year: 423 Days

Day: 14.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,134,635 km

• M1: 149,299 km (0.106 R)
• M2: 550,520 km (0.09 R)
• M3: 1,162,076 km (0.12 R)
• M4: 1,870,123 km (0.064 R)
• M5: 2,243,220 km (0.088 R)
• M6: 2,713,855 km (0.074 R)
• M7: 3,392,281 km (0.078 R)
• M8: 3,893,135 km (0.103 R)
• M9: 4,730,135 km (0.033 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.1

Radius: 11.3

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.73 AU - 0.89 AU

Year: 494 Days

Day: 7.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,134,635 km

• M1: 141,520 km (0.115 R)
• M2: 586,573 km (0.111 R)
• M3: 1,020,108 km (0.035 R)
• M4: 1,556,566 km (0.114 R)
• M5: 2,011,792 km (0.07 R)
• M6: 2,555,580 km (0.098 R)
• M7: 3,176,262 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.3

Radius: 10.5

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.78 AU - 1.02 AU

Year: 579 Days

Day: 8.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 158.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,134,635 km

• M1: 130,599 km (0.114 R)
• M2: 491,878 km (0.057 R)
• M3: 936,183 km (0.088 R)
• M4: 1,529,489 km (0.098 R)
• M5: 1,972,298 km (0.048 R)
• M6: 2,606,294 km (0.086 R)
• M7: 3,086,354 km (0.08 R)
• M8: 3,686,840 km (0.045 R)
• M9: 4,434,230 km (0.098 R)
• M10: 5,121,184 km (0.104 R)
• M11: 5,523,453 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.6

Radius: 11.9

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.02 AU - 1.28 AU

Year: 836 Days

Day: 10.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,134,635 km

• M1: 148,700 km (0.054 R)
• M2: 528,679 km (0.073 R)
• M3: 921,972 km (0.031 R)
• M4: 1,447,210 km (0.115 R)
• M5: 1,961,378 km (0.038 R)
• M6: 2,339,112 km (0.099 R)
• M7: 2,766,065 km (0.088 R)
• M8: 3,430,279 km (0.108 R)
• M9: 4,090,754 km (0.082 R)
• M10: 5,184,763 km (0.084 R)
• M11: 6,402,041 km (0.12 R)
• M12: 7,066,854 km (0.103 R)
• M13: 7,801,080 km (0.056 R)
• M14: 8,260,645 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.4

Radius: 9.2

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.59 AU - 2.81 AU

Year: 3009 Days

Day: 6.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,134,635 km

• M1: 133,890 km (0.108 R)
• M2: 425,008 km (0.066 R)
• M3: 914,193 km (0.097 R)
• M4: 1,372,710 km (0.108 R)
• M5: 2,205,521 km (0.101 R)
• M6: 3,448,381 km (0.042 R)
• M7: 4,376,935 km (0.088 R)
• M8: 5,071,218 km (0.055 R)
• M9: 6,168,519 km (0.116 R)
• M10: 6,783,815 km (0.117 R)
• M11: 7,084,506 km (0.068 R)
• M12: 7,644,002 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 330.3

Radius: 3.7

Gravity: 24.13 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 6.98 AU - 8.42 AU

Year: 14492 Days

Day: 21.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 48,134,635 km

• M1: 46,076 km (0.086 R)
• M2: 180,864 km (0.119 R)
• M3: 312,660 km (0.067 R)
• M4: 448,345 km (0.087 R)
• M5: 920,775 km (0.095 R)
• M6: 1,046,138 km (0.119 R)
• M7: 1,231,041 km (0.09 R)
• M8: 1,492,538 km (0.054 R)
• M9: 1,636,601 km (0.118 R)
• M10: 2,215,694 km (0.113 R)
• M11: 2,541,518 km (0.111 R)
• M12: 2,790,299 km (0.062 R)
• M13: 3,032,349 km (0.089 R)
• M14: 3,170,128 km (0.071 R)
• M15: 3,483,087 km (0.1 R)
• M16: 3,608,749 km (0.085 R)
• M17: 4,605,670 km (0.107 R)
• M18: 5,669,011 km (0.075 R)
• M19: 5,878,598 km (0.074 R)
• M20: 6,387,530 km (0.12 R)
• M21: 6,885,990 km (0.111 R)
• M22: 7,618,272 km (0.091 R)
• M23: 8,445,997 km (0.116 R)
• M24: 8,719,312 km (0.112 R)
• M25: 13,191,540 km (0.099 R)
• M26: 16,189,482 km (0.093 R)
• M27: 17,476,622 km (0.1 R)
• M28: 18,447,512 km (0.119 R)
• M29: 19,930,326 km (0.11 R)
• M30: 21,072,506 km (0.109 R)
• M31: 21,914,592 km (0.115 R)
• M32: 22,430,555 km (0.059 R)
• M33: 23,130,823 km (0.072 R)
• M34: 26,078,499 km (0.113 R)
• M35: 32,817,135 km (0.086 R)
• M36: 33,947,048 km (0.108 R)
• M37: 38,229,437 km (0.087 R)
• M38: 41,406,297 km (0.119 R)
• M39: 41,930,488 km (0.098 R)
• M40: 45,306,613 km (0.097 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: 204 - 12,681 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit