🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.63 AU - 0.65 AU

Year: 192 Days

Day: 30.1 Hours

Environment

Temp: 194 °C

Axial Tilt: 36.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.7 AU - 1.04 AU

Year: 304 Days

Day: 47.2 Hours

Environment

Temp: 30 °C

Axial Tilt: 38.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.74 AU - 1.04 AU

Year: 315 Days

Day: 14.4 Hours

Environment

Temp: 48 °C

Axial Tilt: 18.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.93 AU - 0.99 AU

Year: 352 Days

Day: 17.6 Hours

Environment

Temp: 21 °C

Axial Tilt: 18.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.18 AU - 1.32 AU

Year: 524 Days

Day: 42.3 Hours

Environment

Temp: -6 °C

Axial Tilt: 173 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 73,876,676 km

• M1: 137,929 km (0.047 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.03 AU - 1.49 AU

Year: 530 Days

Day: 37.5 Hours

Environment

Temp: -2 °C

Axial Tilt: 17.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 73,876,676 km

• M1: 40,691 km (0.036 R)
• M2: 221,554 km (0.103 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.25 AU - 4.07 AU

Year: 2624 Days

Day: 26.2 Hours

Environment

Temp: -114 °C

Axial Tilt: 43.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.7

Radius: 8.4

Gravity: 12.23 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.62 AU - 6.76 AU

Year: 5771 Days

Day: 5.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,876,676 km

• M1: 131,497 km (0.07 R)
• M2: 637,137 km (0.102 R)
• M3: 1,041,800 km (0.045 R)
• M4: 1,976,038 km (0.076 R)
• M5: 2,498,733 km (0.079 R)
• M6: 2,968,919 km (0.103 R)
• M7: 4,061,133 km (0.09 R)
• M8: 5,251,932 km (0.117 R)
• M9: 6,557,174 km (0.056 R)
• M10: 7,157,361 km (0.109 R)
• M11: 8,467,090 km (0.118 R)
• M12: 9,135,792 km (0.116 R)
• M13: 9,483,159 km (0.089 R)
• M14: 9,929,559 km (0.077 R)
• M15: 11,603,708 km (0.088 R)
• M16: 12,062,974 km (0.118 R)
• M17: 12,428,591 km (0.092 R)
• M18: 13,236,719 km (0.063 R)
• M19: 15,933,819 km (0.11 R)
• M20: 16,374,085 km (0.105 R)
• M21: 17,213,329 km (0.036 R)
• M22: 23,019,522 km (0.078 R)
• M23: 28,881,664 km (0.084 R)
• M24: 33,674,181 km (0.068 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.5

Radius: 13.9

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 6.59 AU - 9.13 AU

Year: 8258 Days

Day: 11 Hours

Environment

Temp: -163 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,876,676 km

• M1: 174,132 km (0.042 R)
• M2: 1,042,248 km (0.104 R)
• M3: 2,224,371 km (0.107 R)
• M4: 3,412,028 km (0.083 R)
• M5: 3,898,072 km (0.114 R)
• M6: 6,793,539 km (0.111 R)
• M7: 9,939,133 km (0.05 R)
• M8: 10,980,334 km (0.087 R)
• M9: 11,742,984 km (0.041 R)
• M10: 13,660,081 km (0.092 R)
• M11: 14,794,332 km (0.104 R)
• M12: 19,719,991 km (0.062 R)
• M13: 20,153,526 km (0.062 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 403.4

Radius: 4.9

Gravity: 16.8 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 13.3 AU - 19.54 AU

Year: 24934 Days

Day: 22.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,876,676 km

• M1: 68,067 km (0.03 R)
• M2: 223,050 km (0.077 R)
• M3: 436,527 km (0.088 R)
• M4: 924,365 km (0.056 R)
• M5: 1,242,261 km (0.077 R)
• M6: 1,994,738 km (0.064 R)
• M7: 3,709,728 km (0.119 R)
• M8: 4,143,412 km (0.117 R)
• M9: 4,644,864 km (0.12 R)
• M10: 6,095,066 km (0.032 R)
• M11: 7,578,927 km (0.097 R)
• M12: 7,971,921 km (0.073 R)
• M13: 8,326,767 km (0.057 R)
• M14: 8,745,342 km (0.108 R)
• M15: 10,499,975 km (0.059 R)
• M16: 13,093,703 km (0.11 R)
• M17: 18,255,877 km (0.077 R)
• M18: 19,960,694 km (0.038 R)
• M19: 25,488,336 km (0.091 R)
• M20: 33,367,955 km (0.082 R)
• M21: 33,629,153 km (0.119 R)
• M22: 37,290,560 km (0.048 R)
• M23: 50,707,993 km (0.104 R)
• M24: 52,803,560 km (0.094 R)
• M25: 57,540,427 km (0.113 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: 485 - 19,854 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit