🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.59 AU - 0.61 AU

Year: 206 Days

Day: 22.7 Hours

Environment

Temp: 7 °C

Axial Tilt: 3.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 21,447,381 km

• M1: 233,522 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.84 AU - 1.04 AU

Year: 404 Days

Day: 23.3 Hours

Environment

Temp: -68 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 21,447,381 km

• M1: 261,198 km (0.065 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.98 AU - 1.28 AU

Year: 532 Days

Day: 22.7 Hours

Environment

Temp: -84 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 21,447,381 km

• M1: 320,588 km (0.098 R)
• M2: 1,020,706 km (0.115 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.21 AU - 1.51 AU

Year: 702 Days

Day: 40.6 Hours

Environment

Temp: -101 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 21,447,381 km

• M1: 37,848 km (0.041 R)

Asteroid Belt

Center: 2.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.4

Radius: 11.7

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.56 AU - 3.86 AU

Year: 2547 Days

Day: 11.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,447,381 km

• M1: 152,440 km (0.057 R)
• M2: 562,638 km (0.069 R)
• M3: 1,172,698 km (0.096 R)
• M4: 1,572,722 km (0.044 R)
• M5: 2,310,240 km (0.063 R)
• M6: 2,730,460 km (0.079 R)
• M7: 3,298,932 km (0.074 R)
• M8: 3,908,394 km (0.072 R)
• M9: 4,469,087 km (0.066 R)
• M10: 5,060,746 km (0.097 R)
• M11: 5,848,828 km (0.065 R)
• M12: 6,797,578 km (0.119 R)
• M13: 8,086,363 km (0.089 R)
• M14: 9,032,121 km (0.111 R)
• M15: 9,944,818 km (0.096 R)
• M16: 10,806,950 km (0.085 R)
• M17: 13,780,208 km (0.119 R)
• M18: 14,623,790 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.7

Radius: 10.7

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.15 AU - 3.31 AU

Year: 2571 Days

Day: 9.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 21,447,381 km

• M1: 141,520 km (0.119 R)
• M2: 863,778 km (0.064 R)
• M3: 1,868,926 km (0.103 R)
• M4: 3,334,985 km (0.115 R)
• M5: 3,879,671 km (0.088 R)
• M6: 4,336,693 km (0.065 R)
• M7: 4,719,214 km (0.039 R)
• M8: 5,194,038 km (0.111 R)
• M9: 5,953,247 km (0.041 R)
• M10: 8,254,811 km (0.1 R)
• M11: 10,182,977 km (0.104 R)
• M12: 11,490,612 km (0.078 R)
• M13: 15,439,847 km (0.103 R)
• M14: 16,437,814 km (0.111 R)
• M15: 18,014,576 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.9

Radius: 13.1

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.71 AU - 3.87 AU

Year: 2643 Days

Day: 14.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 21,447,381 km

• M1: 165,156 km (0.094 R)
• M2: 622,178 km (0.097 R)
• M3: 1,111,363 km (0.075 R)
• M4: 1,780,963 km (0.118 R)
• M5: 2,965,479 km (0.072 R)
• M6: 3,566,712 km (0.106 R)
• M7: 4,598,339 km (0.061 R)
• M8: 5,135,695 km (0.107 R)
• M9: 6,225,665 km (0.111 R)
• M10: 6,914,563 km (0.061 R)
• M11: 7,527,166 km (0.05 R)
• M12: 8,343,522 km (0.104 R)
• M13: 9,584,586 km (0.082 R)
• M14: 10,308,041 km (0.12 R)
• M15: 11,315,134 km (0.096 R)
• M16: 13,431,346 km (0.055 R)
• M17: 13,999,219 km (0.068 R)
• M18: 15,082,009 km (0.07 R)
• M19: 16,061,426 km (0.115 R)
• M20: 16,647,550 km (0.098 R)
• M21: 17,192,834 km (0.115 R)
• M22: 18,783,060 km (0.107 R)
• M23: 19,374,121 km (0.058 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.6

Radius: 13.1

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.64 AU - 5.94 AU

Year: 4643 Days

Day: 12 Hours

Environment

Temp: -175 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,447,381 km

• M1: 162,912 km (0.08 R)
• M2: 666,010 km (0.061 R)
• M3: 1,115,103 km (0.11 R)
• M4: 2,546,305 km (0.118 R)
• M5: 3,860,971 km (0.111 R)
• M6: 8,107,307 km (0.067 R)
• M7: 9,469,396 km (0.029 R)
• M8: 12,823,380 km (0.104 R)
• M9: 15,016,634 km (0.072 R)
• M10: 16,791,015 km (0.042 R)
• M11: 18,935,201 km (0.104 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 205 - 19,558 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit