🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.69 AU - 0.93 AU

Year: 328 Days

Day: 26.2 Hours

Environment

Temp: -48 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.84 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.1

Radius: 9.9

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.25 AU - 3.47 AU

Year: 2175 Days

Day: 7.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,742,273 km

• M1: 123,119 km (0.104 R)
• M2: 540,497 km (0.087 R)
• M3: 854,353 km (0.1 R)
• M4: 1,199,027 km (0.105 R)
• M5: 1,523,206 km (0.06 R)
• M6: 2,193,703 km (0.115 R)
• M7: 3,877,726 km (0.092 R)
• M8: 4,848,168 km (0.085 R)
• M9: 5,266,593 km (0.107 R)
• M10: 10,225,164 km (0.117 R)
• M11: 11,117,964 km (0.096 R)
• M12: 11,776,793 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.6

Radius: 9

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.29 AU - 4.23 AU

Year: 3278 Days

Day: 5.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,742,273 km

• M1: 111,899 km (0.079 R)
• M2: 636,389 km (0.1 R)
• M3: 1,342,192 km (0.069 R)
• M4: 1,798,316 km (0.069 R)
• M5: 2,383,543 km (0.061 R)
• M6: 3,039,530 km (0.083 R)
• M7: 3,373,582 km (0.073 R)
• M8: 4,661,470 km (0.1 R)
• M9: 5,328,676 km (0.086 R)
• M10: 6,362,098 km (0.092 R)
• M11: 8,681,763 km (0.088 R)
• M12: 9,394,597 km (0.068 R)
• M13: 11,725,332 km (0.071 R)
• M14: 13,555,811 km (0.117 R)
• M15: 14,563,802 km (0.111 R)
• M16: 14,910,569 km (0.097 R)
• M17: 15,466,774 km (0.119 R)
• M18: 16,089,101 km (0.079 R)
• M19: 17,662,273 km (0.097 R)
• M20: 18,747,007 km (0.112 R)
• M21: 19,157,653 km (0.11 R)
• M22: 20,364,010 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.2

Radius: 8.1

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.88 AU - 8 AU

Year: 7348 Days

Day: 7.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,742,273 km

• M1: 106,065 km (0.114 R)
• M2: 505,641 km (0.098 R)
• M3: 765,642 km (0.07 R)
• M4: 1,079,349 km (0.07 R)
• M5: 1,641,837 km (0.051 R)
• M6: 2,559,769 km (0.039 R)
• M7: 3,030,254 km (0.108 R)
• M8: 5,752,637 km (0.043 R)
• M9: 6,560,465 km (0.076 R)
• M10: 8,202,002 km (0.118 R)
• M11: 9,054,710 km (0.117 R)
• M12: 11,816,586 km (0.053 R)
• M13: 14,167,666 km (0.107 R)
• M14: 17,005,388 km (0.084 R)
• M15: 22,131,060 km (0.059 R)
• M16: 22,670,809 km (0.094 R)
• M17: 22,983,170 km (0.117 R)
• M18: 24,670,634 km (0.119 R)
• M19: 25,334,549 km (0.043 R)
• M20: 32,843,016 km (0.118 R)
• M21: 33,243,190 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 280.5

Radius: 3.3

Gravity: 25.76 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 7.4 AU - 12.3 AU

Year: 13899 Days

Day: 22.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,742,273 km

• M1: 43,832 km (0.102 R)
• M2: 266,434 km (0.113 R)
• M3: 1,055,563 km (0.099 R)
• M4: 1,189,602 km (0.088 R)
• M5: 1,310,029 km (0.085 R)
• M6: 2,452,059 km (0.112 R)
• M7: 5,380,287 km (0.071 R)
• M8: 5,985,411 km (0.108 R)
• M9: 6,747,163 km (0.065 R)
• M10: 6,976,198 km (0.089 R)
• M11: 14,653,710 km (0.066 R)
• M12: 14,973,101 km (0.109 R)
• M13: 16,640,669 km (0.036 R)
• M14: 25,000,497 km (0.095 R)
• M15: 29,104,864 km (0.094 R)
• M16: 29,306,073 km (0.113 R)
• M17: 30,428,805 km (0.06 R)
• M18: 31,368,579 km (0.102 R)
• M19: 34,191,940 km (0.028 R)
• M20: 37,179,858 km (0.093 R)
• M21: 38,858,645 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 195.7

Radius: 4.6

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 11.4 AU - 13.22 AU

Year: 19418 Days

Day: 16.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,742,273 km

• M1: 58,642 km (0.103 R)
• M2: 378,183 km (0.044 R)
• M3: 538,253 km (0.093 R)
• M4: 1,241,812 km (0.111 R)
• M5: 1,650,364 km (0.096 R)
• M6: 2,604,200 km (0.054 R)
• M7: 3,174,766 km (0.088 R)
• M8: 5,120,286 km (0.091 R)
• M9: 6,800,121 km (0.092 R)
• M10: 8,862,327 km (0.085 R)
• M11: 14,296,021 km (0.11 R)
• M12: 26,920,436 km (0.083 R)
• M13: 27,716,297 km (0.099 R)
• M14: 44,989,166 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 403.2

Radius: 3.1

Gravity: 41.96 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 14.18 AU - 17.22 AU

Year: 27968 Days

Day: 22.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,742,273 km

• M1: 38,596 km (0.081 R)
• M2: 1,168,210 km (0.068 R)
• M3: 2,699,494 km (0.083 R)
• M4: 2,876,917 km (0.099 R)
• M5: 3,726,333 km (0.073 R)
• M6: 4,481,503 km (0.113 R)
• M7: 5,572,072 km (0.1 R)
• M8: 7,949,332 km (0.08 R)
• M9: 9,301,248 km (0.082 R)
• M10: 10,001,515 km (0.101 R)
• M11: 13,590,667 km (0.1 R)
• M12: 32,863,062 km (0.102 R)
• M13: 39,186,564 km (0.041 R)
• M14: 47,957,337 km (0.075 R)
• M15: 75,746,039 km (0.101 R)
• M16: 77,375,011 km (0.091 R)
• M17: 78,552,645 km (0.081 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: 192 - 12,363 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit