🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.5

Radius: 9.9

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.75 AU - 1.03 AU

Year: 560 Days

Day: 5.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,834,305 km

• M1: 123,119 km (0.047 R)
• M2: 433,385 km (0.043 R)
• M3: 779,255 km (0.064 R)
• M4: 1,097,749 km (0.082 R)
• M5: 1,638,845 km (0.102 R)
• M6: 2,066,994 km (0.104 R)
• M7: 2,559,919 km (0.12 R)
• M8: 3,109,242 km (0.114 R)
• M9: 3,688,934 km (0.093 R)
• M10: 3,998,751 km (0.107 R)
• M11: 4,339,086 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.8

Radius: 8.4

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.8 AU - 1.14 AU

Year: 637 Days

Day: 10.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,834,305 km

• M1: 105,766 km (0.107 R)
• M2: 584,479 km (0.119 R)
• M3: 958,324 km (0.091 R)
• M4: 1,260,212 km (0.096 R)
• M5: 1,556,117 km (0.081 R)
• M6: 2,374,417 km (0.099 R)
• M7: 2,765,317 km (0.117 R)
• M8: 3,335,135 km (0.118 R)
• M9: 3,688,036 km (0.113 R)
• M10: 3,980,949 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.4

Radius: 10.5

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.28 AU - 1.38 AU

Year: 1023 Days

Day: 7.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,834,305 km

• M1: 131,497 km (0.096 R)
• M2: 536,308 km (0.072 R)
• M3: 1,388,717 km (0.074 R)
• M4: 3,334,686 km (0.078 R)
• M5: 3,755,056 km (0.074 R)
• M6: 4,090,305 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.5

Radius: 14.6

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.45 AU - 2.27 AU

Year: 1692 Days

Day: 13.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,834,305 km

• M1: 181,612 km (0.114 R)
• M2: 893,249 km (0.086 R)
• M3: 1,458,579 km (0.101 R)
• M4: 2,438,894 km (0.06 R)
• M5: 3,837,335 km (0.091 R)
• M6: 5,465,558 km (0.1 R)

Asteroid Belt

Center: 2.93 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.7

Radius: 12.7

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.15 AU - 4.85 AU

Year: 5335 Days

Day: 7 Hours

Environment

Temp: -210 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,834,305 km

• M1: 161,715 km (0.115 R)
• M2: 559,346 km (0.109 R)
• M3: 1,429,856 km (0.12 R)
• M4: 1,885,083 km (0.06 R)
• M5: 2,297,375 km (0.081 R)
• M6: 3,153,822 km (0.082 R)
• M7: 3,572,696 km (0.099 R)
• M8: 4,824,980 km (0.111 R)
• M9: 5,274,522 km (0.097 R)
• M10: 6,197,541 km (0.106 R)
• M11: 7,361,412 km (0.068 R)
• M12: 8,363,568 km (0.03 R)
• M13: 9,253,077 km (0.099 R)
• M14: 10,419,940 km (0.049 R)
• M15: 11,311,843 km (0.105 R)
• M16: 13,145,913 km (0.071 R)
• M17: 15,170,720 km (0.117 R)
• M18: 15,966,730 km (0.117 R)
• M19: 16,910,394 km (0.106 R)
• M20: 17,953,240 km (0.108 R)
• M21: 22,630,418 km (0.108 R)
• M22: 23,220,432 km (0.048 R)
• M23: 28,487,324 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.2

Radius: 12.5

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.35 AU - 5.11 AU

Year: 5801 Days

Day: 10.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 146.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,834,305 km

• M1: 155,432 km (0.106 R)
• M2: 569,669 km (0.074 R)
• M3: 1,245,552 km (0.064 R)
• M4: 1,866,383 km (0.101 R)
• M5: 2,347,191 km (0.112 R)
• M6: 3,198,851 km (0.088 R)
• M7: 4,441,710 km (0.11 R)
• M8: 5,234,878 km (0.102 R)
• M9: 6,484,021 km (0.063 R)
• M10: 7,042,170 km (0.1 R)
• M11: 9,714,587 km (0.085 R)
• M12: 10,446,569 km (0.062 R)
• M13: 12,283,332 km (0.04 R)
• M14: 13,232,081 km (0.056 R)
• M15: 16,159,412 km (0.061 R)
• M16: 17,915,841 km (0.094 R)
• M17: 18,548,042 km (0.109 R)
• M18: 19,076,272 km (0.091 R)
• M19: 20,910,042 km (0.096 R)
• M20: 21,611,058 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 944.6

Radius: 3.3

Gravity: 86.74 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 6.16 AU - 6.34 AU

Year: 10420 Days

Day: 18.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 54,834,305 km

• M1: 40,990 km (0.038 R)
• M2: 185,053 km (0.086 R)
• M3: 399,277 km (0.07 R)
• M4: 570,566 km (0.082 R)
• M5: 949,647 km (0.088 R)
• M6: 1,155,943 km (0.112 R)
• M7: 1,309,430 km (0.077 R)
• M8: 1,433,447 km (0.06 R)
• M9: 1,737,430 km (0.073 R)
• M10: 2,175,751 km (0.113 R)
• M11: 2,816,479 km (0.111 R)
• M12: 3,316,435 km (0.105 R)
• M13: 3,654,078 km (0.082 R)
• M14: 4,427,947 km (0.11 R)
• M15: 5,479,471 km (0.047 R)
• M16: 5,585,835 km (0.042 R)
• M17: 5,987,804 km (0.1 R)
• M18: 7,309,352 km (0.027 R)
• M19: 7,656,868 km (0.098 R)
• M20: 7,790,010 km (0.063 R)
• M21: 8,015,155 km (0.106 R)
• M22: 8,244,787 km (0.102 R)
• M23: 11,582,914 km (0.093 R)
• M24: 13,163,117 km (0.11 R)
• M25: 14,675,701 km (0.109 R)
• M26: 15,580,020 km (0.094 R)
• M27: 16,967,540 km (0.116 R)
• M28: 19,159,149 km (0.067 R)
• M29: 28,306,161 km (0.089 R)
• M30: 28,411,927 km (0.076 R)
• M31: 30,920,384 km (0.108 R)
• M32: 35,136,351 km (0.073 R)
• M33: 38,150,150 km (0.036 R)
• M34: 41,741,396 km (0.083 R)
• M35: 44,542,317 km (0.117 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: 238 - 10,936 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit