🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.1

Radius: 8.9

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.61 AU - 0.63 AU

Year: 343 Days

Day: 15 Hours

Environment

Temp: -157 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,511,961 km

• M1: 110,702 km (0.082 R)
• M2: 412,741 km (0.114 R)
• M3: 760,855 km (0.109 R)
• M4: 1,075,609 km (0.077 R)
• M5: 1,364,333 km (0.099 R)
• M6: 1,810,583 km (0.119 R)
• M7: 2,136,108 km (0.115 R)
• M8: 2,429,769 km (0.091 R)
• M9: 3,089,346 km (0.077 R)
• M10: 4,276,854 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.7

Radius: 8.2

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.14 AU - 1.22 AU

Year: 901 Days

Day: 14.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,511,961 km

• M1: 102,026 km (0.076 R)
• M2: 414,685 km (0.032 R)
• M3: 2,148,375 km (0.086 R)
• M4: 3,404,548 km (0.066 R)
• M5: 3,891,489 km (0.109 R)
• M6: 4,345,220 km (0.114 R)
• M7: 4,816,902 km (0.033 R)
• M8: 5,358,297 km (0.109 R)
• M9: 5,920,485 km (0.068 R)
• M10: 7,588,950 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.2

Radius: 8

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.43 AU - 3.97 AU

Year: 4024 Days

Day: 11.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,511,961 km

• M1: 100,231 km (0.069 R)
• M2: 589,715 km (0.1 R)
• M3: 857,196 km (0.028 R)
• M4: 1,215,782 km (0.095 R)
• M5: 1,517,970 km (0.086 R)
• M6: 2,239,630 km (0.073 R)
• M7: 2,574,879 km (0.073 R)
• M8: 2,973,258 km (0.088 R)
• M9: 4,021,041 km (0.095 R)
• M10: 5,499,068 km (0.096 R)
• M11: 8,317,642 km (0.083 R)
• M12: 11,409,979 km (0.115 R)
• M13: 13,584,683 km (0.071 R)
• M14: 14,396,102 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.7

Radius: 14.7

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.18 AU - 4.44 AU

Year: 6290 Days

Day: 12.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,511,961 km

• M1: 182,809 km (0.097 R)
• M2: 663,018 km (0.065 R)
• M3: 1,307,785 km (0.037 R)
• M4: 1,941,930 km (0.043 R)
• M5: 3,421,602 km (0.1 R)
• M6: 4,498,558 km (0.109 R)
• M7: 6,304,503 km (0.074 R)
• M8: 8,516,308 km (0.078 R)
• M9: 9,022,397 km (0.04 R)
• M10: 11,483,881 km (0.036 R)
• M11: 12,297,693 km (0.105 R)
• M12: 13,511,680 km (0.106 R)
• M13: 16,295,846 km (0.087 R)
• M14: 17,385,816 km (0.098 R)
• M15: 18,202,770 km (0.12 R)
• M16: 19,711,015 km (0.027 R)
• M17: 20,948,339 km (0.12 R)
• M18: 22,018,563 km (0.103 R)
• M19: 22,604,089 km (0.1 R)
• M20: 23,577,672 km (0.053 R)
• M21: 24,971,774 km (0.077 R)
• M22: 27,923,789 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577

Radius: 13.2

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.62 AU - 5.32 AU

Year: 7788 Days

Day: 9.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,511,961 km

• M1: 164,558 km (0.112 R)
• M2: 866,172 km (0.09 R)
• M3: 1,300,903 km (0.084 R)
• M4: 1,786,049 km (0.111 R)
• M5: 2,224,969 km (0.093 R)
• M6: 3,011,256 km (0.103 R)
• M7: 5,375,949 km (0.076 R)
• M8: 5,941,728 km (0.089 R)
• M9: 7,532,103 km (0.089 R)
• M10: 8,040,437 km (0.118 R)
• M11: 8,739,807 km (0.026 R)
• M12: 9,933,897 km (0.076 R)
• M13: 10,984,822 km (0.098 R)
• M14: 14,885,736 km (0.091 R)
• M15: 15,941,299 km (0.101 R)
• M16: 16,913,535 km (0.077 R)
• M17: 17,380,729 km (0.101 R)
• M18: 17,924,966 km (0.105 R)
• M19: 18,340,699 km (0.114 R)
• M20: 18,976,340 km (0.096 R)
• M21: 25,116,884 km (0.103 R)
• M22: 27,244,465 km (0.067 R)
• M23: 28,728,027 km (0.056 R)
• M24: 36,962,642 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 50.9

Radius: 7.4

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.04 AU - 6.1 AU

Year: 9240 Days

Day: 16.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,511,961 km

• M1: 197,469 km (0.052 R)
• M2: 664,364 km (0.075 R)
• M3: 1,017,266 km (0.079 R)
• M4: 1,291,478 km (0.078 R)
• M5: 2,209,261 km (0.1 R)
• M6: 3,433,271 km (0.112 R)
• M7: 3,901,064 km (0.093 R)
• M8: 4,759,307 km (0.097 R)
• M9: 6,127,230 km (0.081 R)
• M10: 11,168,528 km (0.031 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 243.9

Radius: 3.6

Gravity: 18.82 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 6.3 AU - 9 AU

Year: 14873 Days

Day: 15 Hours

Environment

Temp: -225 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 39,511,961 km

• M1: 44,730 km (0.109 R)
• M2: 160,967 km (0.093 R)
• M3: 398,529 km (0.051 R)
• M4: 589,864 km (0.118 R)
• M5: 954,434 km (0.115 R)
• M6: 1,400,834 km (0.094 R)
• M7: 2,177,547 km (0.067 R)
• M8: 4,074,448 km (0.095 R)
• M9: 4,636,038 km (0.083 R)
• M10: 5,027,536 km (0.054 R)
• M11: 6,628,382 km (0.082 R)
• M12: 6,854,425 km (0.082 R)
• M13: 7,686,638 km (0.08 R)
• M14: 7,894,280 km (0.101 R)
• M15: 8,063,176 km (0.089 R)
• M16: 9,740,617 km (0.106 R)
• M17: 11,102,256 km (0.115 R)
• M18: 11,910,982 km (0.104 R)
• M19: 12,585,669 km (0.099 R)
• M20: 17,177,127 km (0.12 R)
• M21: 18,775,430 km (0.072 R)
• M22: 20,312,100 km (0.094 R)
• M23: 21,518,307 km (0.081 R)
• M24: 21,682,566 km (0.042 R)
• M25: 24,072,093 km (0.094 R)
• M26: 24,249,216 km (0.097 R)
• M27: 24,427,088 km (0.103 R)
• M28: 25,147,851 km (0.118 R)
• M29: 29,265,383 km (0.119 R)
• M30: 30,697,184 km (0.05 R)
• M31: 33,589,060 km (0.079 R)
• M32: 34,479,616 km (0.119 R)
• M33: 37,127,349 km (0.025 R)
• M34: 39,907,476 km (0.058 R)
• M35: 43,475,236 km (0.1 R)
• M36: 44,133,915 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 126

Radius: 6.1

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 8.2 AU - 8.82 AU

Year: 17450 Days

Day: 24 Hours

Environment

Temp: -223 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,511,961 km

• M1: 75,846 km (0.088 R)
• M2: 568,322 km (0.111 R)
• M3: 1,183,768 km (0.109 R)
• M4: 1,977,833 km (0.093 R)
• M5: 2,599,712 km (0.118 R)
• M6: 6,047,195 km (0.106 R)
• M7: 7,850,148 km (0.085 R)
• M8: 9,071,166 km (0.115 R)
• M9: 10,511,046 km (0.091 R)
• M10: 10,905,984 km (0.112 R)
• M11: 11,413,570 km (0.086 R)
• M12: 12,043,377 km (0.034 R)
• M13: 12,862,724 km (0.038 R)
• M14: 13,602,486 km (0.113 R)
• M15: 14,430,360 km (0.118 R)
• M16: 18,934,602 km (0.047 R)
• M17: 19,667,482 km (0.113 R)
• M18: 20,571,502 km (0.093 R)
• M19: 23,954,209 km (0.081 R)
• M20: 30,784,250 km (0.113 R)
• M21: 31,287,647 km (0.107 R)
• M22: 34,640,285 km (0.079 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 15,407 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit