🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.7 AU - 1.16 AU

Year: 331 Days

Day: 34.6 Hours

Environment

Temp: 35 °C

Axial Tilt: 2.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.11 AU - 1.25 AU

Year: 473 Days

Day: 39.9 Hours

Environment

Temp: 7 °C

Axial Tilt: 12.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.07 AU - 1.51 AU

Year: 541 Days

Day: 34.5 Hours

Environment

Temp: -20 °C

Axial Tilt: 33 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.32 AU - 1.58 AU

Year: 644 Days

Day: 18.9 Hours

Environment

Temp: -46 °C

Axial Tilt: 150 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.15 AU - 1.77 AU

Year: 651 Days

Day: 37.9 Hours

Environment

Temp: -32 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,805,718 km

• M1: 41,139 km (0.116 R)

Asteroid Belt

Center: 1.8 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.1 AU - 2.16 AU

Year: 1147 Days

Day: 13.5 Hours

Environment

Temp: -83 °C

Axial Tilt: 44.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.3 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 16.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 790.3

Radius: 4.5

Gravity: 39.03 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 14.41 AU - 18.53 AU

Year: 24661 Days

Day: 15.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 84,805,718 km

• M1: 57,595 km (0.057 R)
• M2: 202,855 km (0.055 R)
• M3: 467,942 km (0.08 R)
• M4: 811,868 km (0.05 R)
• M5: 1,186,461 km (0.084 R)
• M6: 1,437,935 km (0.095 R)
• M7: 1,667,867 km (0.094 R)
• M8: 2,269,549 km (0.065 R)
• M9: 2,507,410 km (0.099 R)
• M10: 2,735,547 km (0.07 R)
• M11: 3,262,730 km (0.118 R)
• M12: 3,412,028 km (0.092 R)
• M13: 3,987,980 km (0.048 R)
• M14: 4,299,144 km (0.118 R)
• M15: 4,478,960 km (0.117 R)
• M16: 5,371,461 km (0.109 R)
• M17: 6,148,173 km (0.116 R)
• M18: 6,658,302 km (0.105 R)
• M19: 7,145,841 km (0.104 R)
• M20: 7,762,035 km (0.12 R)
• M21: 8,468,885 km (0.117 R)
• M22: 13,402,623 km (0.092 R)
• M23: 16,334,741 km (0.119 R)
• M24: 18,510,642 km (0.089 R)
• M25: 20,668,143 km (0.082 R)
• M26: 23,427,176 km (0.117 R)
• M27: 28,135,769 km (0.075 R)
• M28: 34,860,044 km (0.118 R)
• M29: 35,004,406 km (0.117 R)
• M30: 38,591,314 km (0.114 R)
• M31: 41,113,983 km (0.115 R)
• M32: 45,272,355 km (0.028 R)
• M33: 52,304,951 km (0.102 R)
• M34: 65,583,856 km (0.09 R)
• M35: 76,228,343 km (0.064 R)
• M36: 77,204,918 km (0.109 R)
• M37: 86,372,126 km (0.069 R)
• M38: 87,433,373 km (0.101 R)
• M39: 88,503,297 km (0.087 R)
• M40: 90,124,489 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.1

Radius: 6.1

Gravity: 11.13 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 18.5 AU - 19.26 AU

Year: 30268 Days

Day: 23.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 84,805,718 km

• M1: 83,625 km (0.099 R)
• M2: 373,396 km (0.077 R)
• M3: 743,651 km (0.074 R)
• M4: 1,066,932 km (0.113 R)
• M5: 1,352,664 km (0.091 R)
• M6: 1,780,963 km (0.1 R)
• M7: 2,456,247 km (0.066 R)
• M8: 3,038,482 km (0.078 R)
• M9: 3,802,927 km (0.028 R)
• M10: 4,472,976 km (0.08 R)
• M11: 4,948,847 km (0.071 R)
• M12: 5,140,781 km (0.077 R)
• M13: 5,377,445 km (0.117 R)
• M14: 5,915,549 km (0.11 R)
• M15: 6,859,661 km (0.092 R)
• M16: 7,542,425 km (0.075 R)
• M17: 7,952,324 km (0.039 R)
• M18: 8,269,471 km (0.119 R)
• M19: 10,667,076 km (0.099 R)
• M20: 12,547,970 km (0.116 R)
• M21: 21,262,345 km (0.069 R)
• M22: 28,766,175 km (0.055 R)
• M23: 32,498,342 km (0.096 R)
• M24: 33,037,194 km (0.119 R)
• M25: 34,410,502 km (0.111 R)
• M26: 36,831,445 km (0.091 R)
• M27: 39,976,141 km (0.082 R)
• M28: 42,971,390 km (0.111 R)
• M29: 43,783,706 km (0.087 R)
• M30: 46,282,290 km (0.106 R)
• M31: 47,653,055 km (0.106 R)
• M32: 73,411,565 km (0.111 R)
• M33: 76,216,824 km (0.113 R)
• M34: 78,608,595 km (0.091 R)
• M35: 82,538,531 km (0.101 R)
• M36: 83,793,059 km (0.063 R)
• M37: 84,298,400 km (0.056 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 185 - 16,978 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit