🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.57 AU - 0.83 AU

Year: 213 Days

Day: 32 Hours

Environment

Temp: 186 °C

Axial Tilt: 5.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.22 AU - 1.46 AU

Year: 564 Days

Day: 34.3 Hours

Environment

Temp: -12 °C

Axial Tilt: 35.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 94,503,017 km

• M1: 550,670 km (0.085 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.18 AU - 1.9 AU

Year: 695 Days

Day: 43.8 Hours

Environment

Temp: -38 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.9

Radius: 13.2

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.87 AU - 7.57 AU

Year: 7051 Days

Day: 13.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 94,503,017 km

• M1: 165,306 km (0.062 R)
• M2: 611,107 km (0.067 R)
• M3: 1,904,082 km (0.118 R)
• M4: 2,997,193 km (0.063 R)
• M5: 4,545,830 km (0.071 R)
• M6: 5,039,952 km (0.063 R)
• M7: 6,388,427 km (0.107 R)
• M8: 9,725,806 km (0.119 R)
• M9: 10,356,062 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86

Radius: 14.6

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 7.59 AU - 9.53 AU

Year: 9102 Days

Day: 12.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 169.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 94,503,017 km

• M1: 190,288 km (0.081 R)
• M2: 847,771 km (0.027 R)
• M3: 1,666,969 km (0.106 R)
• M4: 2,192,207 km (0.053 R)
• M5: 3,147,689 km (0.062 R)
• M6: 4,704,255 km (0.057 R)
• M7: 5,357,549 km (0.116 R)
• M8: 6,580,960 km (0.065 R)
• M9: 7,119,811 km (0.105 R)
• M10: 7,753,059 km (0.084 R)
• M11: 8,562,384 km (0.107 R)
• M12: 10,590,033 km (0.078 R)
• M13: 14,956,945 km (0.093 R)
• M14: 16,158,664 km (0.12 R)
• M15: 17,255,067 km (0.12 R)
• M16: 18,225,509 km (0.097 R)
• M17: 19,657,310 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 557.7

Radius: 6.3

Gravity: 14.05 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 13.35 AU - 17.23 AU

Year: 21729 Days

Day: 22.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 94,503,017 km

• M1: 80,184 km (0.12 R)
• M2: 316,549 km (0.101 R)
• M3: 687,402 km (0.055 R)
• M4: 1,167,911 km (0.075 R)
• M5: 1,538,465 km (0.075 R)
• M6: 2,536,282 km (0.068 R)
• M7: 3,158,460 km (0.088 R)
• M8: 4,459,662 km (0.026 R)
• M9: 7,523,127 km (0.081 R)
• M10: 7,965,787 km (0.049 R)
• M11: 9,286,587 km (0.096 R)
• M12: 9,853,713 km (0.112 R)
• M13: 10,323,899 km (0.089 R)
• M14: 10,564,452 km (0.095 R)
• M15: 15,095,173 km (0.103 R)
• M16: 16,280,138 km (0.044 R)
• M17: 17,955,036 km (0.117 R)
• M18: 18,390,964 km (0.114 R)
• M19: 18,923,532 km (0.063 R)
• M20: 19,193,556 km (0.049 R)
• M21: 20,772,712 km (0.096 R)
• M22: 21,156,580 km (0.119 R)
• M23: 21,741,208 km (0.101 R)
• M24: 22,840,752 km (0.059 R)
• M25: 24,934,225 km (0.084 R)
• M26: 27,958,645 km (0.12 R)
• M27: 30,227,746 km (0.05 R)
• M28: 31,470,156 km (0.053 R)
• M29: 34,455,830 km (0.044 R)
• M30: 36,780,282 km (0.103 R)
• M31: 37,060,479 km (0.105 R)
• M32: 42,196,772 km (0.106 R)
• M33: 44,061,510 km (0.059 R)
• M34: 47,125,274 km (0.1 R)
• M35: 47,455,885 km (0.097 R)
• M36: 49,642,258 km (0.112 R)
• M37: 56,230,698 km (0.112 R)
• M38: 59,444,060 km (0.038 R)
• M39: 60,802,110 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 745.4

Radius: 3.4

Gravity: 64.48 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 17.3 AU - 17.64 AU

Year: 26538 Days

Day: 25 Hours

Environment

Temp: -194 °C

Axial Tilt: 172 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 94,503,017 km

• M1: 76,145 km (0.102 R)
• M2: 182,210 km (0.087 R)
• M3: 295,905 km (0.054 R)
• M4: 474,375 km (0.063 R)
• M5: 955,182 km (0.118 R)
• M6: 1,901,539 km (0.085 R)
• M7: 2,229,008 km (0.077 R)
• M8: 3,255,100 km (0.098 R)
• M9: 3,989,027 km (0.117 R)
• M10: 4,523,241 km (0.053 R)
• M11: 8,199,010 km (0.116 R)
• M12: 8,366,261 km (0.045 R)
• M13: 9,117,242 km (0.098 R)
• M14: 10,685,926 km (0.097 R)
• M15: 11,638,565 km (0.114 R)
• M16: 12,352,745 km (0.068 R)
• M17: 18,000,214 km (0.079 R)
• M18: 20,960,158 km (0.055 R)
• M19: 24,343,164 km (0.048 R)
• M20: 26,223,759 km (0.114 R)
• M21: 31,616,313 km (0.045 R)
• M22: 32,027,558 km (0.048 R)
• M23: 32,303,715 km (0.104 R)
• M24: 37,244,035 km (0.071 R)
• M25: 44,353,525 km (0.089 R)
• M26: 48,044,403 km (0.082 R)
• M27: 59,915,294 km (0.059 R)
• M28: 63,976,726 km (0.055 R)
• M29: 66,409,936 km (0.082 R)
• M30: 70,058,179 km (0.076 R)
• M31: 71,695,528 km (0.09 R)
• M32: 86,254,093 km (0.094 R)

Kuiper Belt

Range: 30.2 - 55.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 14,153 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit