🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.5 AU - 0.64 AU

Year: 153 Days

Day: 23.6 Hours

Environment

Temp: 179 °C

Axial Tilt: 32.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.88 AU - 1.3 AU

Year: 404 Days

Day: 22.1 Hours

Environment

Temp: 41 °C

Axial Tilt: 21.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.7 AU - 3.18 AU

Year: 1788 Days

Day: 17.8 Hours

Environment

Temp: -97 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.14 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.4

Radius: 9.5

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 5.03 AU - 5.65 AU

Year: 4378 Days

Day: 6.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 91,997,759 km

• M1: 118,182 km (0.085 R)
• M2: 619,784 km (0.113 R)
• M3: 2,424,832 km (0.106 R)
• M4: 4,293,160 km (0.109 R)
• M5: 5,247,594 km (0.063 R)
• M6: 6,007,402 km (0.091 R)
• M7: 8,391,992 km (0.055 R)
• M8: 10,944,131 km (0.037 R)
• M9: 15,483,529 km (0.095 R)
• M10: 21,004,738 km (0.047 R)
• M11: 22,836,265 km (0.101 R)
• M12: 24,014,946 km (0.116 R)
• M13: 26,413,150 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 83

Radius: 4.5

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 11.61 AU - 15.35 AU

Year: 17558 Days

Day: 16 Hours

Environment

Temp: -191 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 91,997,759 km

• M1: 59,989 km (0.076 R)
• M2: 277,803 km (0.055 R)
• M3: 1,446,761 km (0.055 R)
• M4: 2,084,646 km (0.048 R)
• M5: 4,364,069 km (0.078 R)
• M6: 8,151,139 km (0.106 R)
• M7: 16,727,735 km (0.042 R)
• M8: 20,556,243 km (0.109 R)
• M9: 24,516,548 km (0.078 R)
• M10: 26,805,694 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 506.8

Radius: 7.7

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 12.36 AU - 17.24 AU

Year: 20199 Days

Day: 22.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 91,997,759 km

• M1: 95,892 km (0.106 R)
• M2: 423,811 km (0.04 R)
• M3: 993,479 km (0.096 R)
• M4: 1,663,678 km (0.052 R)
• M5: 2,097,362 km (0.104 R)
• M6: 3,036,388 km (0.096 R)
• M7: 4,294,805 km (0.081 R)
• M8: 4,657,281 km (0.119 R)
• M9: 5,111,909 km (0.076 R)
• M10: 6,873,274 km (0.113 R)
• M11: 8,691,187 km (0.077 R)
• M12: 10,689,067 km (0.089 R)
• M13: 11,605,204 km (0.072 R)
• M14: 12,114,884 km (0.073 R)
• M15: 12,772,666 km (0.08 R)
• M16: 13,454,085 km (0.106 R)
• M17: 14,087,781 km (0.118 R)
• M18: 18,918,895 km (0.057 R)
• M19: 19,357,964 km (0.107 R)
• M20: 23,722,333 km (0.116 R)
• M21: 26,896,800 km (0.092 R)
• M22: 29,280,193 km (0.085 R)
• M23: 34,986,304 km (0.102 R)
• M24: 41,244,432 km (0.089 R)
• M25: 44,558,923 km (0.095 R)
• M26: 46,917,931 km (0.052 R)
• M27: 47,722,469 km (0.071 R)
• M28: 48,864,050 km (0.11 R)
• M29: 49,193,614 km (0.083 R)
• M30: 50,694,829 km (0.112 R)
• M31: 53,788,363 km (0.118 R)
• M32: 57,370,783 km (0.089 R)
• M33: 58,475,713 km (0.081 R)
• M34: 60,348,679 km (0.068 R)
• M35: 63,232,626 km (0.103 R)
• M36: 67,219,110 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.7

Radius: 8

Gravity: 11.35 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 13.63 AU - 21.23 AU

Year: 25816 Days

Day: 16.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 91,997,759 km

• M1: 99,483 km (0.106 R)
• M2: 475,871 km (0.109 R)
• M3: 1,012,778 km (0.117 R)
• M4: 1,292,077 km (0.12 R)
• M5: 1,587,682 km (0.113 R)
• M6: 4,716,821 km (0.097 R)
• M7: 5,102,484 km (0.094 R)
• M8: 5,384,775 km (0.071 R)
• M9: 5,893,259 km (0.092 R)
• M10: 7,355,129 km (0.071 R)
• M11: 9,824,541 km (0.107 R)
• M12: 10,262,713 km (0.118 R)
• M13: 10,779,424 km (0.09 R)
• M14: 13,095,798 km (0.081 R)
• M15: 14,894,114 km (0.066 R)
• M16: 16,066,063 km (0.074 R)
• M17: 16,851,153 km (0.111 R)
• M18: 28,741,042 km (0.11 R)
• M19: 44,046,251 km (0.066 R)
• M20: 47,328,129 km (0.072 R)
• M21: 53,217,498 km (0.086 R)
• M22: 68,895,803 km (0.114 R)
• M23: 71,193,926 km (0.111 R)
• M24: 83,972,576 km (0.114 R)
• M25: 85,276,321 km (0.054 R)

Kuiper Belt

Range: 30.9 - 50.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 10,352 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit