🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.53 AU - 0.73 AU

Year: 188 Days

Day: 24.2 Hours

Environment

Temp: 143 °C

Axial Tilt: 36.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,455,777 km

• M1: 27,227 km (0.079 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.73 AU - 0.89 AU

Year: 275 Days

Day: 45.1 Hours

Environment

Temp: 135 °C

Axial Tilt: 25.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.78 AU - 0.98 AU

Year: 311 Days

Day: 29.6 Hours

Environment

Temp: 22 °C

Axial Tilt: 19.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.22 AU - 1.22 AU

Year: 508 Days

Day: 33.6 Hours

Environment

Temp: -14 °C

Axial Tilt: 12.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.04 AU - 1.72 AU

Year: 611 Days

Day: 22.7 Hours

Environment

Temp: -33 °C

Axial Tilt: 49.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,455,777 km

• M1: 100,530 km (0.101 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.87 AU - 2.59 AU

Year: 1255 Days

Day: 39.1 Hours

Environment

Temp: -91 °C

Axial Tilt: 116.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.25 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.5

Radius: 12.3

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 7.09 AU - 9.45 AU

Year: 8960 Days

Day: 7.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,455,777 km

• M1: 153,188 km (0.056 R)
• M2: 554,859 km (0.066 R)
• M3: 1,069,924 km (0.047 R)
• M4: 1,509,143 km (0.038 R)
• M5: 2,085,993 km (0.117 R)
• M6: 2,748,711 km (0.043 R)
• M7: 3,456,908 km (0.116 R)
• M8: 4,828,870 km (0.092 R)
• M9: 6,855,622 km (0.108 R)
• M10: 8,657,079 km (0.06 R)
• M11: 9,352,260 km (0.11 R)
• M12: 10,609,331 km (0.112 R)
• M13: 14,271,038 km (0.057 R)
• M14: 17,381,777 km (0.088 R)
• M15: 31,451,905 km (0.06 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.2

Radius: 12.4

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.67 AU - 10.49 AU

Year: 11171 Days

Day: 5.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,455,777 km

• M1: 154,235 km (0.09 R)
• M2: 731,234 km (0.103 R)
• M3: 1,168,210 km (0.104 R)
• M4: 1,587,832 km (0.074 R)
• M5: 2,210,309 km (0.08 R)
• M6: 2,646,985 km (0.079 R)
• M7: 3,481,442 km (0.077 R)
• M8: 3,871,443 km (0.108 R)
• M9: 5,637,297 km (0.103 R)
• M10: 7,684,543 km (0.095 R)
• M11: 8,567,021 km (0.054 R)
• M12: 9,055,758 km (0.091 R)
• M13: 10,634,464 km (0.111 R)
• M14: 11,462,937 km (0.111 R)
• M15: 13,248,387 km (0.11 R)
• M16: 13,782,302 km (0.069 R)
• M17: 15,148,280 km (0.093 R)
• M18: 19,180,242 km (0.092 R)
• M19: 20,880,871 km (0.101 R)
• M20: 22,764,009 km (0.111 R)
• M21: 23,790,250 km (0.091 R)
• M22: 25,206,344 km (0.086 R)
• M23: 28,892,286 km (0.096 R)
• M24: 30,606,079 km (0.087 R)
• M25: 32,173,715 km (0.066 R)
• M26: 35,924,133 km (0.053 R)
• M27: 36,963,689 km (0.1 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.8

Radius: 13.5

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 9.43 AU - 12.25 AU

Year: 13445 Days

Day: 10.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,455,777 km

• M1: 167,998 km (0.093 R)
• M2: 885,470 km (0.041 R)
• M3: 1,587,233 km (0.103 R)
• M4: 2,030,941 km (0.115 R)
• M5: 3,249,864 km (0.099 R)
• M6: 3,759,694 km (0.057 R)
• M7: 4,472,228 km (0.097 R)
• M8: 5,479,471 km (0.071 R)
• M9: 6,752,399 km (0.099 R)
• M10: 7,288,259 km (0.085 R)
• M11: 9,825,439 km (0.115 R)
• M12: 10,623,842 km (0.103 R)
• M13: 12,655,531 km (0.091 R)
• M14: 13,154,141 km (0.045 R)
• M15: 15,281,422 km (0.109 R)
• M16: 18,488,801 km (0.088 R)
• M17: 22,120,738 km (0.117 R)
• M18: 25,704,804 km (0.12 R)
• M19: 26,505,900 km (0.092 R)
• M20: 27,947,874 km (0.06 R)
• M21: 32,820,277 km (0.059 R)
• M22: 35,211,599 km (0.112 R)
• M23: 45,215,358 km (0.12 R)
• M24: 48,778,031 km (0.111 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 19,637 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit