🌌 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: 189.1

Radius: 9.8

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.48 AU - 0.76 AU

Year: 331 Days

Day: 13.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 74,452,230 km

• M1: 122,072 km (0.069 R)
• M2: 534,962 km (0.108 R)
• M3: 874,250 km (0.076 R)
• M4: 1,230,143 km (0.062 R)
• M5: 1,719,179 km (0.078 R)
• M6: 2,268,203 km (0.108 R)
• M7: 2,965,329 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.1

Radius: 9.6

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.5 AU - 0.8 AU

Year: 355 Days

Day: 9.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,452,230 km

• M1: 119,379 km (0.088 R)
• M2: 560,244 km (0.11 R)
• M3: 866,620 km (0.073 R)
• M4: 1,238,670 km (0.111 R)
• M5: 1,607,130 km (0.089 R)
• M6: 1,923,529 km (0.065 R)
• M7: 2,975,502 km (0.088 R)
• M8: 4,030,167 km (0.08 R)
• M9: 4,414,035 km (0.055 R)
• M10: 4,880,331 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.1

Radius: 11.6

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.72 AU - 0.86 AU

Year: 476 Days

Day: 11.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,452,230 km

• M1: 144,212 km (0.092 R)
• M2: 531,970 km (0.06 R)
• M3: 1,005,148 km (0.08 R)
• M4: 1,456,036 km (0.043 R)
• M5: 2,328,640 km (0.081 R)
• M6: 2,871,681 km (0.113 R)
• M7: 3,825,517 km (0.043 R)
• M8: 5,192,243 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.5

Radius: 14.4

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.84 AU - 1.26 AU

Year: 730 Days

Day: 5.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,452,230 km

• M1: 179,069 km (0.111 R)
• M2: 867,219 km (0.118 R)
• M3: 1,380,788 km (0.055 R)
• M4: 2,082,552 km (0.089 R)
• M5: 2,601,058 km (0.114 R)
• M6: 3,501,488 km (0.114 R)
• M7: 4,040,489 km (0.045 R)
• M8: 4,634,841 km (0.056 R)
• M9: 5,250,436 km (0.116 R)
• M10: 5,781,808 km (0.086 R)
• M11: 6,668,175 km (0.099 R)
• M12: 7,201,193 km (0.116 R)
• M13: 8,277,998 km (0.109 R)
• M14: 8,974,077 km (0.095 R)

Asteroid Belt

Center: 1.56 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.5

Radius: 12.6

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.01 AU - 2.13 AU

Year: 2020 Days

Day: 5.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,452,230 km

• M1: 157,975 km (0.045 R)
• M2: 1,162,974 km (0.089 R)
• M3: 2,068,490 km (0.108 R)
• M4: 2,562,462 km (0.082 R)
• M5: 3,036,238 km (0.115 R)
• M6: 6,537,427 km (0.095 R)
• M7: 7,455,958 km (0.079 R)
• M8: 9,426,910 km (0.039 R)
• M9: 9,828,131 km (0.116 R)
• M10: 11,271,601 km (0.101 R)
• M11: 11,688,830 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.9

Radius: 9

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.33 AU - 3.59 AU

Year: 3454 Days

Day: 9.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 173 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,452,230 km

• M1: 112,348 km (0.064 R)
• M2: 454,778 km (0.116 R)
• M3: 811,120 km (0.117 R)
• M4: 1,142,928 km (0.095 R)
• M5: 1,631,664 km (0.117 R)
• M6: 1,936,245 km (0.059 R)
• M7: 2,389,377 km (0.102 R)
• M8: 3,162,948 km (0.098 R)
• M9: 3,641,362 km (0.042 R)
• M10: 4,094,344 km (0.119 R)
• M11: 7,130,283 km (0.056 R)
• M12: 8,126,306 km (0.1 R)
• M13: 8,718,265 km (0.111 R)
• M14: 9,055,907 km (0.12 R)
• M15: 9,594,908 km (0.096 R)
• M16: 9,954,990 km (0.038 R)
• M17: 10,529,147 km (0.09 R)
• M18: 10,842,106 km (0.068 R)
• M19: 11,341,015 km (0.088 R)
• M20: 12,042,629 km (0.067 R)
• M21: 12,890,849 km (0.1 R)
• M22: 13,289,377 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.9

Radius: 10.3

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.25 AU - 4.31 AU

Year: 4985 Days

Day: 8.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,452,230 km

• M1: 128,056 km (0.086 R)
• M2: 942,616 km (0.037 R)
• M3: 1,909,766 km (0.117 R)
• M4: 3,206,780 km (0.092 R)
• M5: 4,688,248 km (0.066 R)
• M6: 5,636,249 km (0.076 R)
• M7: 8,158,469 km (0.108 R)
• M8: 10,996,191 km (0.101 R)
• M9: 11,533,397 km (0.119 R)
• M10: 14,223,466 km (0.088 R)
• M11: 14,807,796 km (0.079 R)
• M12: 15,407,982 km (0.111 R)
• M13: 15,742,184 km (0.081 R)
• M14: 18,844,694 km (0.057 R)
• M15: 21,012,367 km (0.101 R)
• M16: 24,833,695 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180

Radius: 4.7

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 5.12 AU - 8.1 AU

Year: 11526 Days

Day: 24.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,452,230 km

• M1: 58,642 km (0.104 R)
• M2: 229,932 km (0.094 R)
• M3: 452,534 km (0.12 R)
• M4: 728,990 km (0.112 R)
• M5: 1,014,423 km (0.104 R)
• M6: 1,258,268 km (0.076 R)
• M7: 1,604,437 km (0.091 R)
• M8: 2,247,259 km (0.079 R)
• M9: 3,949,982 km (0.103 R)
• M10: 4,989,837 km (0.076 R)
• M11: 5,725,410 km (0.034 R)
• M12: 6,135,308 km (0.069 R)
• M13: 6,873,274 km (0.067 R)
• M14: 7,155,715 km (0.104 R)
• M15: 8,523,339 km (0.112 R)
• M16: 9,396,990 km (0.103 R)
• M17: 10,935,455 km (0.109 R)
• M18: 11,271,900 km (0.101 R)
• M19: 11,714,411 km (0.117 R)
• M20: 13,822,544 km (0.054 R)
• M21: 14,386,678 km (0.106 R)
• M22: 14,674,354 km (0.111 R)
• M23: 16,170,782 km (0.102 R)
• M24: 16,481,796 km (0.117 R)
• M25: 17,244,595 km (0.075 R)
• M26: 17,765,944 km (0.117 R)
• M27: 19,115,466 km (0.093 R)
• M28: 21,488,986 km (0.101 R)
• M29: 26,811,230 km (0.1 R)
• M30: 28,492,111 km (0.042 R)
• M31: 29,037,096 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 58.8

Radius: 7.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 6.5 AU - 9.54 AU

Year: 15405 Days

Day: 23.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,452,230 km

• M1: 98,585 km (0.115 R)
• M2: 895,642 km (0.03 R)
• M3: 1,183,469 km (0.062 R)
• M4: 2,136,108 km (0.102 R)
• M5: 3,245,376 km (0.111 R)
• M6: 3,611,293 km (0.106 R)
• M7: 4,306,175 km (0.063 R)
• M8: 4,851,160 km (0.092 R)
• M9: 5,525,248 km (0.106 R)
• M10: 7,125,795 km (0.11 R)
• M11: 7,465,831 km (0.116 R)
• M12: 8,141,565 km (0.066 R)
• M13: 10,544,705 km (0.108 R)
• M14: 13,231,333 km (0.08 R)
• M15: 15,822,219 km (0.088 R)
• M16: 18,037,015 km (0.115 R)
• M17: 19,251,002 km (0.063 R)
• M18: 19,645,342 km (0.096 R)
• M19: 22,126,273 km (0.045 R)
• M20: 23,516,336 km (0.074 R)
• M21: 24,118,618 km (0.086 R)
• M22: 26,631,413 km (0.065 R)
• M23: 27,285,904 km (0.045 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 536.8

Radius: 7.3

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 8.2 AU - 12.06 AU

Year: 21868 Days

Day: 22.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 74,452,230 km

• M1: 90,806 km (0.087 R)
• M2: 322,234 km (0.063 R)
• M3: 694,583 km (0.06 R)
• M4: 1,031,477 km (0.064 R)
• M5: 1,266,645 km (0.099 R)
• M6: 1,723,218 km (0.072 R)
• M7: 2,667,180 km (0.109 R)
• M8: 2,987,769 km (0.104 R)
• M9: 3,474,111 km (0.117 R)
• M10: 3,827,013 km (0.103 R)
• M11: 4,468,040 km (0.105 R)
• M12: 6,085,941 km (0.041 R)
• M13: 6,821,962 km (0.075 R)
• M14: 9,109,912 km (0.034 R)
• M15: 9,441,870 km (0.108 R)
• M16: 11,605,952 km (0.084 R)
• M17: 12,194,770 km (0.075 R)
• M18: 12,598,085 km (0.041 R)
• M19: 13,219,964 km (0.092 R)
• M20: 14,599,555 km (0.033 R)
• M21: 17,899,086 km (0.117 R)
• M22: 18,158,489 km (0.052 R)
• M23: 19,401,946 km (0.066 R)
• M24: 21,959,023 km (0.095 R)
• M25: 31,211,651 km (0.115 R)
• M26: 32,220,988 km (0.101 R)
• M27: 35,651,267 km (0.071 R)
• M28: 38,163,913 km (0.116 R)
• M29: 40,494,199 km (0.041 R)
• M30: 43,227,352 km (0.077 R)
• M31: 46,568,620 km (0.102 R)
• M32: 58,944,403 km (0.09 R)
• M33: 62,447,387 km (0.109 R)
• M34: 63,044,432 km (0.038 R)
• M35: 63,645,367 km (0.109 R)
• M36: 64,249,892 km (0.09 R)
• M37: 64,858,456 km (0.089 R)
• M38: 65,881,107 km (0.102 R)
• M39: 66,706,887 km (0.079 R)
• M40: 68,168,608 km (0.091 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: 551 - 11,970 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit