🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.69 AU - 0.91 AU

Year: 272 Days

Day: 43.4 Hours

Environment

Temp: 129 °C

Axial Tilt: 49.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.8 AU - 1.2 AU

Year: 381 Days

Day: 39.3 Hours

Environment

Temp: 6 °C

Axial Tilt: 2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 66,831,556 km

• M1: 189,391 km (0.054 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.93 AU - 1.47 AU

Year: 501 Days

Day: 17.2 Hours

Environment

Temp: -36 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.1

Radius: 13.3

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.44 AU - 5.3 AU

Year: 4093 Days

Day: 13.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,831,556 km

• M1: 167,550 km (0.112 R)
• M2: 1,070,223 km (0.114 R)
• M3: 1,623,436 km (0.091 R)
• M4: 2,665,086 km (0.112 R)
• M5: 3,923,204 km (0.099 R)
• M6: 4,367,510 km (0.075 R)
• M7: 5,086,477 km (0.057 R)
• M8: 6,573,480 km (0.115 R)
• M9: 7,317,580 km (0.099 R)
• M10: 8,490,577 km (0.058 R)
• M11: 9,072,812 km (0.08 R)
• M12: 9,995,831 km (0.052 R)
• M13: 11,672,374 km (0.081 R)
• M14: 12,230,374 km (0.073 R)
• M15: 16,400,863 km (0.076 R)
• M16: 17,000,302 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.4

Radius: 12.4

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.99 AU - 9.11 AU

Year: 7900 Days

Day: 6.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,831,556 km

• M1: 154,235 km (0.103 R)
• M2: 630,256 km (0.068 R)
• M3: 1,137,393 km (0.119 R)
• M4: 3,653,629 km (0.089 R)
• M5: 6,101,948 km (0.114 R)
• M6: 7,070,444 km (0.055 R)
• M7: 7,515,647 km (0.054 R)
• M8: 8,711,533 km (0.107 R)
• M9: 9,180,522 km (0.04 R)
• M10: 10,641,645 km (0.085 R)
• M11: 11,227,769 km (0.074 R)
• M12: 12,305,322 km (0.078 R)
• M13: 13,116,293 km (0.063 R)
• M14: 14,606,138 km (0.103 R)
• M15: 15,392,125 km (0.082 R)
• M16: 16,078,929 km (0.106 R)
• M17: 18,470,550 km (0.059 R)
• M18: 19,678,702 km (0.084 R)
• M19: 20,339,177 km (0.075 R)
• M20: 21,319,342 km (0.051 R)
• M21: 22,489,198 km (0.039 R)
• M22: 27,690,416 km (0.118 R)
• M23: 29,843,578 km (0.106 R)
• M24: 32,816,986 km (0.119 R)
• M25: 34,059,845 km (0.094 R)
• M26: 35,874,018 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357.8

Radius: 6.5

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 12.16 AU - 12.44 AU

Year: 16427 Days

Day: 22.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,831,556 km

• M1: 81,531 km (0.11 R)
• M2: 404,363 km (0.112 R)
• M3: 1,113,756 km (0.085 R)
• M4: 1,758,074 km (0.045 R)
• M5: 4,317,694 km (0.071 R)
• M6: 4,683,161 km (0.071 R)
• M7: 5,511,186 km (0.11 R)
• M8: 7,157,361 km (0.095 R)
• M9: 7,669,733 km (0.05 R)
• M10: 13,371,506 km (0.086 R)
• M11: 15,160,398 km (0.086 R)
• M12: 15,790,654 km (0.072 R)
• M13: 20,109,993 km (0.071 R)
• M14: 20,530,213 km (0.034 R)
• M15: 21,128,306 km (0.097 R)
• M16: 22,269,737 km (0.104 R)
• M17: 24,011,057 km (0.115 R)
• M18: 25,939,972 km (0.063 R)
• M19: 28,810,755 km (0.088 R)
• M20: 29,344,670 km (0.117 R)
• M21: 33,738,658 km (0.112 R)
• M22: 37,529,468 km (0.115 R)
• M23: 42,689,548 km (0.037 R)
• M24: 53,421,400 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.9

Radius: 5.2

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 17.32 AU - 21.08 AU

Year: 32037 Days

Day: 23.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,831,556 km

• M1: 65,823 km (0.079 R)
• M2: 359,184 km (0.115 R)
• M3: 1,453,194 km (0.077 R)
• M4: 2,171,413 km (0.083 R)
• M5: 4,802,241 km (0.086 R)
• M6: 5,011,229 km (0.114 R)
• M7: 6,108,380 km (0.063 R)
• M8: 6,821,065 km (0.065 R)
• M9: 7,494,853 km (0.098 R)
• M10: 7,728,974 km (0.082 R)
• M11: 8,460,657 km (0.109 R)
• M12: 10,061,055 km (0.105 R)
• M13: 10,288,743 km (0.115 R)
• M14: 11,294,639 km (0.098 R)
• M15: 14,058,011 km (0.094 R)
• M16: 15,145,139 km (0.089 R)
• M17: 16,919,070 km (0.066 R)
• M18: 19,877,069 km (0.071 R)
• M19: 21,430,942 km (0.096 R)
• M20: 28,007,265 km (0.044 R)
• M21: 35,547,296 km (0.114 R)
• M22: 35,942,983 km (0.025 R)
• M23: 48,900,103 km (0.115 R)
• M24: 58,034,998 km (0.096 R)
• M25: 61,758,040 km (0.102 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 19,463 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit