🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.45 AU - 1.65 AU

Year: 739 Days

Day: 16.6 Hours

Environment

Temp: -65 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.94 AU - 3.16 AU

Year: 1559 Days

Day: 45.1 Hours

Environment

Temp: -106 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.49 AU - 3.79 AU

Year: 2130 Days

Day: 33.2 Hours

Environment

Temp: -113 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.8 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.8

Radius: 11.9

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.14 AU - 4.78 AU

Year: 3606 Days

Day: 14.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,069,364 km

• M1: 150,795 km (0.095 R)
• M2: 588,817 km (0.111 R)
• M3: 1,262,307 km (0.036 R)
• M4: 1,645,427 km (0.053 R)
• M5: 2,039,767 km (0.063 R)
• M6: 3,691,926 km (0.085 R)
• M7: 4,283,436 km (0.053 R)
• M8: 5,127,018 km (0.084 R)
• M9: 5,521,059 km (0.056 R)
• M10: 5,958,932 km (0.086 R)
• M11: 6,931,169 km (0.109 R)
• M12: 7,890,988 km (0.111 R)
• M13: 8,418,022 km (0.101 R)
• M14: 9,380,983 km (0.049 R)
• M15: 9,905,922 km (0.112 R)
• M16: 10,346,787 km (0.049 R)
• M17: 11,050,795 km (0.102 R)
• M18: 12,320,581 km (0.101 R)
• M19: 12,791,216 km (0.093 R)
• M20: 13,560,897 km (0.092 R)
• M21: 14,404,181 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.5

Radius: 14.6

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.03 AU - 5.89 AU

Year: 4230 Days

Day: 14.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,069,364 km

• M1: 181,612 km (0.109 R)
• M2: 724,502 km (0.055 R)
• M3: 1,193,193 km (0.077 R)
• M4: 1,688,212 km (0.074 R)
• M5: 2,248,157 km (0.059 R)
• M6: 2,932,268 km (0.087 R)
• M7: 3,774,055 km (0.115 R)
• M8: 5,968,955 km (0.087 R)
• M9: 7,256,544 km (0.111 R)
• M10: 8,056,145 km (0.119 R)
• M11: 8,646,458 km (0.098 R)
• M12: 9,914,300 km (0.1 R)
• M13: 10,636,558 km (0.112 R)
• M14: 14,303,352 km (0.103 R)
• M15: 14,896,208 km (0.055 R)
• M16: 17,923,919 km (0.117 R)
• M17: 24,860,773 km (0.119 R)
• M18: 26,435,589 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.1

Radius: 8.8

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 6.65 AU - 7.27 AU

Year: 7030 Days

Day: 8.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,069,364 km

• M1: 109,954 km (0.1 R)
• M2: 429,196 km (0.098 R)
• M3: 742,155 km (0.05 R)
• M4: 1,281,455 km (0.091 R)
• M5: 2,501,875 km (0.099 R)
• M6: 3,076,031 km (0.101 R)
• M7: 4,019,695 km (0.039 R)
• M8: 4,607,764 km (0.114 R)
• M9: 5,809,334 km (0.026 R)
• M10: 6,192,454 km (0.067 R)
• M11: 7,108,292 km (0.103 R)
• M12: 7,861,219 km (0.04 R)
• M13: 8,330,507 km (0.09 R)
• M14: 10,311,781 km (0.081 R)
• M15: 11,275,940 km (0.044 R)
• M16: 11,919,958 km (0.084 R)
• M17: 12,251,018 km (0.12 R)
• M18: 13,231,034 km (0.046 R)
• M19: 14,421,684 km (0.108 R)
• M20: 15,402,148 km (0.073 R)
• M21: 21,394,141 km (0.08 R)
• M22: 21,883,625 km (0.086 R)
• M23: 22,452,247 km (0.108 R)
• M24: 22,740,223 km (0.106 R)
• M25: 24,292,899 km (0.091 R)
• M26: 25,056,447 km (0.1 R)
• M27: 25,444,204 km (0.094 R)
• M28: 26,311,423 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.8

Radius: 12.9

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 7.73 AU - 9.47 AU

Year: 9656 Days

Day: 11.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,069,364 km

• M1: 160,668 km (0.096 R)
• M2: 609,611 km (0.094 R)
• M3: 1,032,973 km (0.082 R)
• M4: 2,021,516 km (0.079 R)
• M5: 2,504,119 km (0.112 R)
• M6: 3,520,187 km (0.028 R)
• M7: 4,383,218 km (0.086 R)
• M8: 5,141,679 km (0.088 R)
• M9: 6,287,150 km (0.118 R)
• M10: 6,848,142 km (0.119 R)
• M11: 8,273,959 km (0.065 R)
• M12: 9,843,241 km (0.083 R)
• M13: 12,073,595 km (0.091 R)
• M14: 12,721,354 km (0.025 R)
• M15: 13,678,481 km (0.085 R)
• M16: 14,562,455 km (0.072 R)
• M17: 15,172,665 km (0.034 R)
• M18: 22,167,712 km (0.079 R)
• M19: 24,995,111 km (0.096 R)
• M20: 27,590,036 km (0.065 R)
• M21: 29,481,103 km (0.062 R)
• M22: 31,356,312 km (0.092 R)
• M23: 34,692,195 km (0.105 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 13,983 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit