🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.52 AU - 0.54 AU

Year: 249 Days

Day: 21.8 Hours

Environment

Temp: -125 °C

Axial Tilt: 11.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.94 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.6

Radius: 8.8

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.34 AU - 1.36 AU

Year: 1013 Days

Day: 11.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,207,386 km

• M1: 114,592 km (0.079 R)
• M2: 394,639 km (0.095 R)
• M3: 838,795 km (0.095 R)
• M4: 1,144,723 km (0.115 R)
• M5: 1,463,217 km (0.056 R)
• M6: 1,841,251 km (0.116 R)
• M7: 2,252,196 km (0.06 R)
• M8: 2,894,868 km (0.032 R)
• M9: 3,788,117 km (0.118 R)
• M10: 4,081,180 km (0.073 R)
• M11: 4,908,157 km (0.118 R)
• M12: 5,257,318 km (0.084 R)
• M13: 5,822,349 km (0.073 R)
• M14: 6,427,323 km (0.03 R)
• M15: 7,885,453 km (0.091 R)
• M16: 8,161,013 km (0.07 R)
• M17: 8,443,005 km (0.107 R)
• M18: 8,891,798 km (0.102 R)
• M19: 9,218,071 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.3

Radius: 14.7

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.05 AU - 1.69 AU

Year: 1035 Days

Day: 11.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,207,386 km

• M1: 185,053 km (0.095 R)
• M2: 721,660 km (0.06 R)
• M3: 1,294,321 km (0.119 R)
• M4: 1,770,640 km (0.079 R)
• M5: 2,243,370 km (0.092 R)
• M6: 2,995,548 km (0.075 R)
• M7: 5,223,958 km (0.039 R)
• M8: 6,093,570 km (0.038 R)
• M9: 7,331,642 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.4

Radius: 13.8

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.53 AU - 1.83 AU

Year: 1406 Days

Day: 5.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,207,386 km

• M1: 171,589 km (0.081 R)
• M2: 606,619 km (0.084 R)
• M3: 1,336,807 km (0.083 R)
• M4: 2,135,958 km (0.104 R)
• M5: 3,409,934 km (0.092 R)
• M6: 3,841,225 km (0.12 R)
• M7: 4,379,178 km (0.101 R)
• M8: 5,586,732 km (0.03 R)
• M9: 6,694,654 km (0.098 R)
• M10: 7,918,066 km (0.064 R)
• M11: 9,022,996 km (0.095 R)
• M12: 10,010,192 km (0.093 R)
• M13: 11,134,420 km (0.056 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 517.9

Radius: 4.6

Gravity: 24.48 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.5 AU - 7.02 AU

Year: 11348 Days

Day: 24.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 74,207,386 km

• M1: 163,810 km (0.091 R)
• M2: 311,463 km (0.065 R)
• M3: 721,361 km (0.076 R)
• M4: 910,602 km (0.072 R)
• M5: 1,238,670 km (0.094 R)
• M6: 1,540,409 km (0.119 R)
• M7: 2,421,990 km (0.109 R)
• M8: 3,424,295 km (0.112 R)
• M9: 3,725,585 km (0.105 R)
• M10: 4,154,632 km (0.086 R)
• M11: 4,675,981 km (0.08 R)
• M12: 5,917,793 km (0.102 R)
• M13: 7,612,437 km (0.055 R)
• M14: 8,345,916 km (0.061 R)
• M15: 8,615,641 km (0.11 R)
• M16: 9,753,332 km (0.112 R)
• M17: 12,613,344 km (0.119 R)
• M18: 15,175,956 km (0.097 R)
• M19: 16,402,958 km (0.1 R)
• M20: 17,621,283 km (0.116 R)
• M21: 17,990,790 km (0.047 R)
• M22: 20,317,036 km (0.093 R)
• M23: 20,887,453 km (0.09 R)
• M24: 23,364,046 km (0.073 R)
• M25: 29,819,942 km (0.109 R)
• M26: 34,419,478 km (0.034 R)
• M27: 38,102,428 km (0.047 R)
• M28: 43,903,086 km (0.112 R)
• M29: 44,445,527 km (0.079 R)
• M30: 46,239,206 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 935.5

Radius: 4.1

Gravity: 55.65 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 8.09 AU - 9.25 AU

Year: 16483 Days

Day: 15.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,207,386 km

• M1: 52,958 km (0.092 R)
• M2: 225,444 km (0.107 R)
• M3: 390,151 km (0.116 R)
• M4: 609,312 km (0.118 R)
• M5: 757,564 km (0.075 R)
• M6: 929,900 km (0.093 R)
• M7: 1,154,896 km (0.093 R)
• M8: 1,822,401 km (0.04 R)
• M9: 2,573,233 km (0.055 R)
• M10: 3,017,389 km (0.105 R)
• M11: 3,149,334 km (0.027 R)
• M12: 3,482,040 km (0.088 R)
• M13: 4,315,899 km (0.117 R)
• M14: 4,690,940 km (0.05 R)
• M15: 4,940,769 km (0.067 R)
• M16: 6,718,740 km (0.114 R)
• M17: 7,175,312 km (0.062 R)
• M18: 7,898,468 km (0.043 R)
• M19: 8,563,431 km (0.094 R)
• M20: 10,538,272 km (0.06 R)
• M21: 14,445,021 km (0.098 R)
• M22: 14,745,413 km (0.11 R)
• M23: 16,310,207 km (0.104 R)
• M24: 17,132,696 km (0.093 R)
• M25: 19,490,658 km (0.112 R)
• M26: 21,177,374 km (0.115 R)
• M27: 23,886,292 km (0.094 R)
• M28: 26,930,309 km (0.117 R)
• M29: 39,606,934 km (0.082 R)
• M30: 41,388,794 km (0.114 R)
• M31: 42,759,859 km (0.105 R)
• M32: 43,690,507 km (0.1 R)
• M33: 44,318,519 km (0.061 R)
• M34: 50,414,482 km (0.12 R)
• M35: 63,630,856 km (0.1 R)
• M36: 66,070,797 km (0.042 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 11,124 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit