🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.85 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.3

Radius: 14.5

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.41 AU - 1.97 AU

Year: 1490 Days

Day: 12.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,695,775 km

• M1: 180,714 km (0.048 R)
• M2: 633,846 km (0.093 R)
• M3: 1,360,293 km (0.12 R)
• M4: 1,928,017 km (0.059 R)
• M5: 2,680,345 km (0.054 R)
• M6: 3,524,227 km (0.062 R)
• M7: 4,018,199 km (0.071 R)
• M8: 4,696,176 km (0.116 R)
• M9: 5,232,634 km (0.103 R)
• M10: 5,764,006 km (0.119 R)
• M11: 7,662,253 km (0.034 R)
• M12: 9,522,503 km (0.036 R)
• M13: 10,420,688 km (0.116 R)
• M14: 11,193,661 km (0.05 R)
• M15: 11,854,285 km (0.099 R)
• M16: 12,775,509 km (0.031 R)
• M17: 13,456,478 km (0.111 R)
• M18: 14,119,496 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.8

Radius: 13

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.71 AU - 2.79 AU

Year: 2289 Days

Day: 14.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 79.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,695,775 km

• M1: 163,361 km (0.088 R)
• M2: 584,928 km (0.082 R)
• M3: 1,135,298 km (0.07 R)
• M4: 1,549,236 km (0.112 R)
• M5: 2,219,883 km (0.093 R)
• M6: 2,713,705 km (0.045 R)
• M7: 3,246,274 km (0.111 R)
• M8: 3,752,363 km (0.1 R)
• M9: 4,166,301 km (0.101 R)
• M10: 5,398,389 km (0.074 R)
• M11: 5,928,414 km (0.115 R)
• M12: 8,706,746 km (0.059 R)
• M13: 9,154,492 km (0.038 R)
• M14: 9,910,560 km (0.119 R)
• M15: 11,384,248 km (0.107 R)
• M16: 12,822,333 km (0.105 R)
• M17: 13,677,135 km (0.07 R)
• M18: 15,650,929 km (0.06 R)
• M19: 16,732,372 km (0.114 R)
• M20: 18,758,227 km (0.095 R)
• M21: 19,800,774 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.9

Radius: 8

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.34 AU - 2.7 AU

Year: 2713 Days

Day: 10.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,695,775 km

• M1: 99,632 km (0.073 R)
• M2: 368,011 km (0.103 R)
• M3: 774,319 km (0.119 R)
• M4: 1,180,776 km (0.058 R)
• M5: 1,780,514 km (0.112 R)
• M6: 2,482,277 km (0.112 R)
• M7: 3,066,607 km (0.12 R)
• M8: 3,409,335 km (0.118 R)
• M9: 3,834,941 km (0.049 R)
• M10: 4,400,421 km (0.056 R)
• M11: 4,882,725 km (0.066 R)
• M12: 5,136,892 km (0.065 R)
• M13: 7,623,208 km (0.116 R)
• M14: 8,319,287 km (0.064 R)
• M15: 9,230,488 km (0.098 R)
• M16: 9,584,287 km (0.049 R)
• M17: 9,837,406 km (0.069 R)
• M18: 12,026,023 km (0.102 R)
• M19: 13,100,435 km (0.09 R)
• M20: 14,567,541 km (0.095 R)
• M21: 14,854,321 km (0.095 R)
• M22: 16,863,719 km (0.117 R)
• M23: 18,263,058 km (0.119 R)
• M24: 18,540,711 km (0.091 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 254.2

Radius: 4.5

Gravity: 12.55 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5.9 AU - 6.6 AU

Year: 10598 Days

Day: 23.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,695,775 km

• M1: 62,981 km (0.095 R)
• M2: 219,460 km (0.091 R)
• M3: 568,921 km (0.11 R)
• M4: 1,216,380 km (0.1 R)
• M5: 2,176,499 km (0.102 R)
• M6: 2,611,081 km (0.057 R)
• M7: 2,800,173 km (0.078 R)
• M8: 6,134,261 km (0.083 R)
• M9: 9,080,142 km (0.089 R)
• M10: 10,333,473 km (0.066 R)
• M11: 11,050,346 km (0.089 R)
• M12: 18,983,820 km (0.082 R)
• M13: 19,265,962 km (0.044 R)
• M14: 19,983,583 km (0.091 R)
• M15: 32,080,815 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 898.7

Radius: 6

Gravity: 24.96 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 6.55 AU - 9.59 AU

Year: 15549 Days

Day: 17 Hours

Environment

Temp: -223 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 72,695,775 km

• M1: 77,940 km (0.119 R)
• M2: 352,153 km (0.112 R)
• M3: 698,622 km (0.109 R)
• M4: 1,703,172 km (0.067 R)
• M5: 2,211,356 km (0.119 R)
• M6: 2,602,853 km (0.106 R)
• M7: 3,412,028 km (0.063 R)
• M8: 3,609,348 km (0.06 R)
• M9: 3,844,366 km (0.068 R)
• M10: 4,344,921 km (0.058 R)
• M11: 4,679,272 km (0.093 R)
• M12: 5,513,579 km (0.07 R)
• M13: 6,232,546 km (0.095 R)
• M14: 8,504,489 km (0.087 R)
• M15: 9,243,353 km (0.09 R)
• M16: 11,652,328 km (0.075 R)
• M17: 11,843,514 km (0.073 R)
• M18: 14,087,332 km (0.091 R)
• M19: 14,304,399 km (0.09 R)
• M20: 15,964,935 km (0.081 R)
• M21: 17,086,321 km (0.092 R)
• M22: 19,664,042 km (0.096 R)
• M23: 20,764,035 km (0.111 R)
• M24: 21,711,438 km (0.118 R)
• M25: 23,286,853 km (0.08 R)
• M26: 23,488,960 km (0.102 R)
• M27: 25,790,374 km (0.107 R)
• M28: 31,325,046 km (0.093 R)
• M29: 33,976,968 km (0.077 R)
• M30: 41,032,901 km (0.036 R)
• M31: 46,402,268 km (0.087 R)
• M32: 51,020,803 km (0.034 R)
• M33: 51,533,026 km (0.074 R)
• M34: 52,048,839 km (0.063 R)
• M35: 53,090,489 km (0.04 R)
• M36: 56,481,125 km (0.054 R)
• M37: 58,508,625 km (0.051 R)
• M38: 60,775,182 km (0.107 R)
• M39: 70,427,536 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 664.9

Radius: 5.7

Gravity: 20.46 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 7.95 AU - 10.47 AU

Year: 18957 Days

Day: 19.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 167.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,695,775 km

• M1: 75,248 km (0.068 R)
• M2: 257,608 km (0.095 R)
• M3: 823,237 km (0.058 R)
• M4: 1,422,377 km (0.085 R)
• M5: 1,823,897 km (0.115 R)
• M6: 2,111,275 km (0.09 R)
• M7: 2,319,365 km (0.073 R)
• M8: 2,776,836 km (0.119 R)
• M9: 3,001,532 km (0.079 R)
• M10: 3,962,249 km (0.074 R)
• M11: 8,826,125 km (0.087 R)
• M12: 9,148,957 km (0.1 R)
• M13: 10,640,149 km (0.104 R)
• M14: 11,254,397 km (0.059 R)
• M15: 12,621,124 km (0.04 R)
• M16: 18,403,979 km (0.097 R)
• M17: 18,666,374 km (0.081 R)
• M18: 21,236,315 km (0.1 R)
• M19: 22,109,967 km (0.093 R)
• M20: 22,906,426 km (0.067 R)
• M21: 23,108,533 km (0.051 R)
• M22: 27,178,044 km (0.104 R)
• M23: 29,980,012 km (0.065 R)
• M24: 31,450,708 km (0.054 R)
• M25: 37,254,807 km (0.103 R)
• M26: 37,815,350 km (0.091 R)
• M27: 38,809,876 km (0.069 R)
• M28: 54,979,461 km (0.081 R)
• M29: 57,736,700 km (0.104 R)
• M30: 57,923,697 km (0.038 R)
• M31: 58,864,967 km (0.112 R)
• M32: 65,131,323 km (0.094 R)
• M33: 66,970,628 km (0.101 R)
• M34: 67,591,310 km (0.087 R)
• M35: 68,424,869 km (0.114 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 207 - 13,019 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit