🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.57 AU - 0.77 AU

Year: 192 Days

Day: 19.6 Hours

Environment

Temp: 143 °C

Axial Tilt: 15.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.81 AU - 1.11 AU

Year: 329 Days

Day: 22.9 Hours

Environment

Temp: 150 °C

Axial Tilt: 41.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 88,308,741 km

• M1: 545,284 km (0.099 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.11 AU - 1.29 AU

Year: 460 Days

Day: 35.7 Hours

Environment

Temp: 35 °C

Axial Tilt: 12 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.92 AU - 1.48 AU

Year: 460 Days

Day: 43.8 Hours

Environment

Temp: 29 °C

Axial Tilt: 110.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 88,308,741 km

• M1: 34,856 km (0.108 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.31 AU - 1.45 AU

Year: 567 Days

Day: 23.4 Hours

Environment

Temp: -7 °C

Axial Tilt: 14.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.26 AU - 1.72 AU

Year: 636 Days

Day: 21.3 Hours

Environment

Temp: 10 °C

Axial Tilt: 112.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 7 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.1 AU - 2.32 AU

Year: 1149 Days

Day: 33.8 Hours

Environment

Temp: -67 °C

Axial Tilt: 43.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 88,308,741 km

• M1: 93,199 km (0.117 R)
• M2: 157,826 km (0.028 R)

Asteroid Belt

Center: 7.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 13.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 656.3

Radius: 7

Gravity: 13.39 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 10.13 AU - 16.77 AU

Year: 17257 Days

Day: 20.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 88,308,741 km

• M1: 87,066 km (0.032 R)
• M2: 386,561 km (0.103 R)
• M3: 902,374 km (0.111 R)
• M4: 1,336,358 km (0.093 R)
• M5: 1,658,891 km (0.111 R)
• M6: 1,994,588 km (0.075 R)
• M7: 2,779,379 km (0.099 R)
• M8: 3,281,429 km (0.107 R)
• M9: 4,114,689 km (0.051 R)
• M10: 5,714,489 km (0.073 R)
• M11: 8,272,313 km (0.028 R)
• M12: 12,529,270 km (0.064 R)
• M13: 12,794,059 km (0.082 R)
• M14: 13,403,371 km (0.051 R)
• M15: 15,272,297 km (0.062 R)
• M16: 16,190,828 km (0.073 R)
• M17: 23,878,513 km (0.119 R)
• M18: 27,046,846 km (0.087 R)
• M19: 29,774,913 km (0.063 R)
• M20: 34,590,618 km (0.076 R)
• M21: 38,351,509 km (0.061 R)
• M22: 41,490,969 km (0.079 R)
• M23: 45,262,033 km (0.079 R)
• M24: 45,573,196 km (0.071 R)
• M25: 49,749,520 km (0.066 R)
• M26: 54,174,176 km (0.104 R)
• M27: 55,231,235 km (0.066 R)
• M28: 57,386,491 km (0.073 R)
• M29: 59,970,944 km (0.038 R)
• M30: 65,968,023 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 656.4

Radius: 3.7

Gravity: 47.95 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 13.31 AU - 21.63 AU

Year: 25546 Days

Day: 17.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 88,308,741 km

• M1: 68,067 km (0.098 R)
• M2: 435,330 km (0.096 R)
• M3: 817,552 km (0.095 R)
• M4: 1,250,937 km (0.062 R)
• M5: 1,561,802 km (0.101 R)
• M6: 1,921,884 km (0.098 R)
• M7: 2,089,284 km (0.063 R)
• M8: 2,650,126 km (0.063 R)
• M9: 2,965,479 km (0.029 R)
• M10: 3,160,554 km (0.082 R)
• M11: 3,961,501 km (0.092 R)
• M12: 5,161,725 km (0.113 R)
• M13: 6,492,248 km (0.118 R)
• M14: 9,929,708 km (0.103 R)
• M15: 11,548,806 km (0.111 R)
• M16: 12,744,991 km (0.101 R)
• M17: 14,255,331 km (0.093 R)
• M18: 15,298,626 km (0.065 R)
• M19: 17,178,174 km (0.049 R)
• M20: 17,445,954 km (0.089 R)
• M21: 23,075,322 km (0.086 R)
• M22: 23,840,365 km (0.069 R)
• M23: 26,830,677 km (0.112 R)
• M24: 30,320,197 km (0.052 R)
• M25: 32,038,329 km (0.086 R)
• M26: 34,381,779 km (0.059 R)
• M27: 36,689,177 km (0.089 R)
• M28: 38,182,613 km (0.092 R)
• M29: 41,130,887 km (0.105 R)
• M30: 45,067,256 km (0.114 R)
• M31: 54,633,890 km (0.096 R)
• M32: 55,406,414 km (0.109 R)
• M33: 57,767,367 km (0.106 R)
• M34: 70,583,716 km (0.104 R)
• M35: 74,295,539 km (0.116 R)
• M36: 75,959,516 km (0.049 R)
• M37: 79,115,432 km (0.096 R)
• M38: 83,118,223 km (0.07 R)
• M39: 85,687,267 km (0.077 R)
• M40: 87,516,699 km (0.045 R)

Kuiper Belt

Range: 31.4 - 56.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 16,864 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit