🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.7

Radius: 12.1

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.31 AU - 1.45 AU

Year: 1119 Days

Day: 13.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,049,763 km

• M1: 151,243 km (0.105 R)
• M2: 549,473 km (0.089 R)
• M3: 947,553 km (0.117 R)
• M4: 1,784,852 km (0.085 R)
• M5: 2,588,492 km (0.083 R)
• M6: 3,052,694 km (0.06 R)
• M7: 3,667,392 km (0.072 R)
• M8: 4,381,273 km (0.111 R)
• M9: 5,602,291 km (0.066 R)
• M10: 6,362,098 km (0.099 R)
• M11: 7,316,682 km (0.073 R)
• M12: 8,706,297 km (0.11 R)
• M13: 10,823,705 km (0.116 R)
• M14: 11,506,919 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.7

Radius: 12.3

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.6 AU - 3.92 AU

Year: 5033 Days

Day: 9.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,049,763 km

• M1: 153,039 km (0.09 R)
• M2: 543,190 km (0.058 R)
• M3: 956,678 km (0.061 R)
• M4: 1,387,520 km (0.078 R)
• M5: 2,120,849 km (0.087 R)
• M6: 2,576,973 km (0.114 R)
• M7: 3,888,647 km (0.105 R)
• M8: 4,404,909 km (0.039 R)
• M9: 6,141,441 km (0.055 R)
• M10: 6,810,892 km (0.088 R)
• M11: 7,214,956 km (0.075 R)
• M12: 7,599,422 km (0.05 R)
• M13: 9,074,756 km (0.097 R)
• M14: 10,377,455 km (0.106 R)
• M15: 11,281,774 km (0.116 R)
• M16: 12,786,280 km (0.086 R)
• M17: 15,259,880 km (0.071 R)
• M18: 15,662,448 km (0.098 R)
• M19: 18,747,755 km (0.093 R)
• M20: 21,420,022 km (0.118 R)
• M21: 24,571,450 km (0.066 R)
• M22: 25,284,883 km (0.075 R)
• M23: 26,836,512 km (0.062 R)
• M24: 29,770,126 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.2

Radius: 8.8

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.21 AU - 6.51 AU

Year: 8566 Days

Day: 11.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,049,763 km

• M1: 109,506 km (0.032 R)
• M2: 438,920 km (0.115 R)
• M3: 754,721 km (0.102 R)
• M4: 1,270,385 km (0.113 R)
• M5: 2,068,041 km (0.085 R)
• M6: 2,706,824 km (0.073 R)
• M7: 3,360,417 km (0.081 R)
• M8: 7,244,277 km (0.089 R)
• M9: 10,262,264 km (0.104 R)
• M10: 12,631,745 km (0.069 R)
• M11: 19,920,901 km (0.059 R)
• M12: 20,289,660 km (0.113 R)
• M13: 22,123,132 km (0.101 R)
• M14: 23,486,866 km (0.116 R)
• M15: 24,736,008 km (0.11 R)
• M16: 25,247,932 km (0.085 R)
• M17: 29,030,813 km (0.076 R)
• M18: 30,080,691 km (0.047 R)
• M19: 33,175,273 km (0.086 R)
• M20: 34,007,186 km (0.06 R)
• M21: 34,959,526 km (0.08 R)
• M22: 35,820,761 km (0.077 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 176.6

Radius: 5.5

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.83 AU - 6.75 AU

Year: 9617 Days

Day: 21.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,049,763 km

• M1: 68,366 km (0.069 R)
• M2: 256,112 km (0.088 R)
• M3: 468,241 km (0.057 R)
• M4: 877,092 km (0.051 R)
• M5: 1,114,803 km (0.066 R)
• M6: 1,350,719 km (0.089 R)
• M7: 1,868,328 km (0.061 R)
• M8: 2,127,132 km (0.111 R)
• M9: 2,426,178 km (0.118 R)
• M10: 2,611,680 km (0.058 R)
• M11: 2,954,857 km (0.108 R)
• M12: 3,307,160 km (0.103 R)
• M13: 4,868,812 km (0.114 R)
• M14: 5,332,117 km (0.082 R)
• M15: 5,884,283 km (0.1 R)
• M16: 6,667,727 km (0.06 R)
• M17: 11,843,065 km (0.114 R)
• M18: 12,231,720 km (0.104 R)
• M19: 13,292,519 km (0.078 R)
• M20: 15,308,350 km (0.034 R)
• M21: 17,770,432 km (0.058 R)
• M22: 19,461,337 km (0.092 R)
• M23: 23,538,327 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.6

Radius: 5.1

Gravity: 11.67 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.24 AU - 7.46 AU

Year: 11045 Days

Day: 20.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,049,763 km

• M1: 63,429 km (0.041 R)
• M2: 229,184 km (0.112 R)
• M3: 440,117 km (0.099 R)
• M4: 788,979 km (0.065 R)
• M5: 1,213,688 km (0.101 R)
• M6: 1,490,144 km (0.082 R)
• M7: 2,502,772 km (0.074 R)
• M8: 2,730,760 km (0.056 R)
• M9: 3,339,324 km (0.115 R)
• M10: 5,704,915 km (0.083 R)
• M11: 5,867,528 km (0.11 R)
• M12: 7,359,617 km (0.098 R)
• M13: 7,788,813 km (0.04 R)
• M14: 10,427,869 km (0.055 R)
• M15: 11,374,076 km (0.037 R)
• M16: 11,632,282 km (0.07 R)
• M17: 14,797,623 km (0.061 R)
• M18: 19,726,574 km (0.096 R)
• M19: 26,091,813 km (0.098 R)
• M20: 27,362,647 km (0.102 R)
• M21: 28,107,196 km (0.093 R)
• M22: 35,865,790 km (0.108 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 20,186 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit