🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.49 AU - 0.51 AU

Year: 128 Days

Day: 39.6 Hours

Environment

Temp: 185 °C

Axial Tilt: 54.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.84 AU - 0.98 AU

Year: 314 Days

Day: 14.9 Hours

Environment

Temp: 137 °C

Axial Tilt: 4.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.79 AU - 1.29 AU

Year: 384 Days

Day: 22.7 Hours

Environment

Temp: 32 °C

Axial Tilt: 4.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.92 AU - 3.04 AU

Year: 1412 Days

Day: 20.3 Hours

Environment

Temp: -85 °C

Axial Tilt: 41.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,962,709 km

• M1: 34,557 km (0.063 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.39 AU - 4.07 AU

Year: 2605 Days

Day: 14.7 Hours

Environment

Temp: -116 °C

Axial Tilt: 17 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.7 AU - 5.5 AU

Year: 3568 Days

Day: 43.5 Hours

Environment

Temp: -126 °C

Axial Tilt: 50 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.98 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 15.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 610.5

Radius: 3.2

Gravity: 59.62 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 13.15 AU - 17.57 AU

Year: 21771 Days

Day: 22.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 63,962,709 km

• M1: 39,793 km (0.1 R)
• M2: 266,284 km (0.052 R)
• M3: 427,102 km (0.045 R)
• M4: 538,104 km (0.075 R)
• M5: 898,634 km (0.09 R)
• M6: 1,057,807 km (0.068 R)
• M7: 1,221,018 km (0.119 R)
• M8: 1,547,291 km (0.072 R)
• M9: 2,007,903 km (0.051 R)
• M10: 2,369,331 km (0.098 R)
• M11: 2,601,357 km (0.076 R)
• M12: 2,722,980 km (0.11 R)
• M13: 3,192,419 km (0.107 R)
• M14: 4,598,489 km (0.092 R)
• M15: 6,154,307 km (0.073 R)
• M16: 6,502,870 km (0.063 R)
• M17: 7,480,043 km (0.097 R)
• M18: 7,978,204 km (0.085 R)
• M19: 9,095,401 km (0.118 R)
• M20: 9,895,750 km (0.072 R)
• M21: 11,182,441 km (0.086 R)
• M22: 12,645,658 km (0.09 R)
• M23: 13,567,629 km (0.098 R)
• M24: 13,786,641 km (0.085 R)
• M25: 16,767,977 km (0.1 R)
• M26: 17,360,235 km (0.034 R)
• M27: 18,407,868 km (0.064 R)
• M28: 20,917,821 km (0.08 R)
• M29: 25,703,009 km (0.101 R)
• M30: 32,711,968 km (0.093 R)
• M31: 33,902,318 km (0.088 R)
• M32: 34,847,777 km (0.098 R)
• M33: 36,089,290 km (0.076 R)
• M34: 38,659,830 km (0.026 R)
• M35: 40,439,745 km (0.084 R)
• M36: 56,121,641 km (0.062 R)
• M37: 69,202,479 km (0.11 R)
• M38: 70,285,418 km (0.036 R)
• M39: 73,153,808 km (0.05 R)
• M40: 74,503,480 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 192.8

Radius: 3.6

Gravity: 14.88 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 14.87 AU - 16.43 AU

Year: 22390 Days

Day: 24.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,962,709 km

• M1: 45,179 km (0.102 R)
• M2: 185,950 km (0.085 R)
• M3: 313,408 km (0.097 R)
• M4: 430,991 km (0.113 R)
• M5: 689,796 km (0.087 R)
• M6: 1,198,877 km (0.085 R)
• M7: 2,046,349 km (0.099 R)
• M8: 2,231,551 km (0.108 R)
• M9: 2,832,486 km (0.106 R)
• M10: 3,939,959 km (0.111 R)
• M11: 6,326,045 km (0.086 R)
• M12: 6,840,363 km (0.116 R)
• M13: 8,087,410 km (0.052 R)
• M14: 9,529,085 km (0.097 R)
• M15: 9,733,436 km (0.046 R)
• M16: 10,799,171 km (0.088 R)
• M17: 13,734,281 km (0.117 R)
• M18: 16,639,023 km (0.07 R)
• M19: 18,391,113 km (0.049 R)
• M20: 23,071,432 km (0.057 R)
• M21: 23,625,543 km (0.03 R)
• M22: 24,664,351 km (0.085 R)
• M23: 29,554,855 km (0.056 R)
• M24: 29,771,472 km (0.11 R)
• M25: 30,317,953 km (0.062 R)
• M26: 38,427,055 km (0.061 R)
• M27: 39,729,455 km (0.085 R)
• M28: 44,519,728 km (0.114 R)
• M29: 47,570,777 km (0.102 R)
• M30: 48,317,270 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 20.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 154.4

Radius: 7.8

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 15.16 AU - 24.94 AU

Year: 32468 Days

Day: 19.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 63,962,709 km

• M1: 218,712 km (0.117 R)
• M2: 501,302 km (0.077 R)
• M3: 749,635 km (0.115 R)
• M4: 1,071,121 km (0.078 R)
• M5: 1,575,415 km (0.117 R)
• M6: 1,891,216 km (0.105 R)
• M7: 3,885,505 km (0.111 R)
• M8: 4,862,529 km (0.049 R)
• M9: 6,232,696 km (0.101 R)
• M10: 7,072,090 km (0.109 R)
• M11: 8,080,230 km (0.076 R)
• M12: 12,817,546 km (0.058 R)
• M13: 16,682,556 km (0.095 R)
• M14: 18,878,653 km (0.086 R)
• M15: 19,913,870 km (0.105 R)
• M16: 21,909,207 km (0.113 R)
• M17: 26,505,003 km (0.079 R)
• M18: 28,132,478 km (0.115 R)
• M19: 30,056,307 km (0.069 R)
• M20: 31,585,346 km (0.037 R)
• M21: 33,165,549 km (0.052 R)
• M22: 33,413,133 km (0.095 R)
• M23: 34,670,354 km (0.105 R)
• M24: 36,879,166 km (0.116 R)
• M25: 37,278,593 km (0.1 R)
• M26: 38,904,721 km (0.046 R)
• M27: 44,066,297 km (0.025 R)
• M28: 46,345,420 km (0.093 R)
• M29: 47,907,671 km (0.052 R)
• M30: 51,966,560 km (0.083 R)
• M31: 55,027,034 km (0.096 R)
• M32: 58,385,506 km (0.114 R)
• M33: 61,131,674 km (0.08 R)

Kuiper Belt

Range: 30.3 - 57.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 19,729 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit