🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.45 AU - 0.61 AU

Year: 249 Days

Day: 40.6 Hours

Environment

Temp: -128 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.24 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.8

Radius: 13.8

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.7 AU - 2.2 AU

Year: 1758 Days

Day: 6.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 88,511,894 km

• M1: 171,589 km (0.109 R)
• M2: 839,394 km (0.111 R)
• M3: 1,733,241 km (0.08 R)
• M4: 2,296,477 km (0.052 R)
• M5: 2,797,779 km (0.082 R)
• M6: 3,541,281 km (0.118 R)
• M7: 4,616,740 km (0.108 R)
• M8: 5,862,292 km (0.119 R)
• M9: 6,343,698 km (0.087 R)
• M10: 7,299,179 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.9

Radius: 8.9

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.14 AU - 5.62 AU

Year: 6961 Days

Day: 9.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 88,511,894 km

• M1: 114,592 km (0.068 R)
• M2: 674,836 km (0.104 R)
• M3: 1,018,014 km (0.043 R)
• M4: 1,367,325 km (0.111 R)
• M5: 2,190,412 km (0.08 R)
• M6: 3,057,481 km (0.04 R)
• M7: 3,998,601 km (0.074 R)
• M8: 5,425,017 km (0.092 R)
• M9: 6,346,989 km (0.064 R)
• M10: 8,847,068 km (0.115 R)
• M11: 9,407,911 km (0.053 R)
• M12: 13,543,394 km (0.065 R)
• M13: 14,781,766 km (0.067 R)
• M14: 15,116,865 km (0.043 R)
• M15: 15,400,054 km (0.035 R)
• M16: 17,358,439 km (0.103 R)
• M17: 20,152,180 km (0.074 R)
• M18: 25,160,267 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.5

Radius: 8.7

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.85 AU - 5.95 AU

Year: 7003 Days

Day: 12.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 88,511,894 km

• M1: 108,159 km (0.117 R)
• M2: 461,659 km (0.118 R)
• M3: 743,352 km (0.057 R)
• M4: 2,681,841 km (0.088 R)
• M5: 6,125,883 km (0.1 R)
• M6: 7,170,226 km (0.046 R)
• M7: 9,649,960 km (0.083 R)
• M8: 10,604,843 km (0.093 R)
• M9: 11,338,023 km (0.117 R)
• M10: 12,450,582 km (0.116 R)
• M11: 19,730,014 km (0.061 R)
• M12: 23,481,181 km (0.106 R)
• M13: 24,097,674 km (0.078 R)
• M14: 24,488,274 km (0.102 R)
• M15: 25,523,940 km (0.086 R)
• M16: 27,427,274 km (0.092 R)
• M17: 29,601,379 km (0.034 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 295.8

Radius: 5.5

Gravity: 9.78 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 7.39 AU - 11.65 AU

Year: 18966 Days

Day: 20.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 88,511,894 km

• M1: 94,695 km (0.101 R)
• M2: 350,508 km (0.072 R)
• M3: 674,986 km (0.09 R)
• M4: 1,054,216 km (0.077 R)
• M5: 1,379,143 km (0.11 R)
• M6: 1,971,700 km (0.106 R)
• M7: 4,791,321 km (0.051 R)
• M8: 16,373,038 km (0.101 R)
• M9: 16,669,092 km (0.06 R)
• M10: 22,353,662 km (0.098 R)
• M11: 23,365,093 km (0.099 R)
• M12: 25,281,591 km (0.049 R)
• M13: 27,612,177 km (0.097 R)
• M14: 28,561,824 km (0.091 R)
• M15: 29,207,039 km (0.115 R)
• M16: 30,749,992 km (0.114 R)
• M17: 35,333,371 km (0.12 R)
• M18: 36,703,838 km (0.106 R)
• M19: 37,083,816 km (0.117 R)
• M20: 39,022,455 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 906.6

Radius: 4.1

Gravity: 53.93 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 8.82 AU - 12.08 AU

Year: 21812 Days

Day: 17.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 88,511,894 km

• M1: 51,013 km (0.05 R)
• M2: 178,620 km (0.109 R)
• M3: 309,668 km (0.058 R)
• M4: 517,010 km (0.085 R)
• M5: 1,018,911 km (0.056 R)
• M6: 2,013,737 km (0.094 R)
• M7: 2,610,483 km (0.115 R)
• M8: 3,376,723 km (0.072 R)
• M9: 3,715,263 km (0.058 R)
• M10: 4,109,753 km (0.092 R)
• M11: 5,628,021 km (0.04 R)
• M12: 7,433,369 km (0.075 R)
• M13: 11,175,111 km (0.111 R)
• M14: 11,923,997 km (0.102 R)
• M15: 15,092,181 km (0.049 R)
• M16: 17,670,351 km (0.104 R)
• M17: 18,497,478 km (0.09 R)
• M18: 18,968,112 km (0.105 R)
• M19: 21,751,680 km (0.082 R)
• M20: 28,985,036 km (0.119 R)
• M21: 32,794,396 km (0.075 R)
• M22: 33,206,539 km (0.048 R)
• M23: 33,622,271 km (0.045 R)
• M24: 36,776,542 km (0.068 R)
• M25: 39,036,667 km (0.051 R)
• M26: 45,683,450 km (0.106 R)
• M27: 47,762,711 km (0.112 R)
• M28: 53,613,633 km (0.068 R)
• M29: 54,185,546 km (0.076 R)
• M30: 58,705,346 km (0.114 R)
• M31: 67,595,499 km (0.085 R)
• M32: 72,358,994 km (0.079 R)
• M33: 73,525,259 km (0.117 R)
• M34: 75,655,832 km (0.116 R)
• M35: 82,800,925 km (0.055 R)
• M36: 83,820,435 km (0.105 R)
• M37: 85,106,528 km (0.086 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 13,814 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit