🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.71 AU - 1.01 AU

Year: 284 Days

Day: 14 Hours

Environment

Temp: 163 °C

Axial Tilt: 14.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.12 AU - 1.28 AU

Year: 469 Days

Day: 30.5 Hours

Environment

Temp: 32 °C

Axial Tilt: 7.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.09 AU - 1.35 AU

Year: 480 Days

Day: 24.4 Hours

Environment

Temp: 10 °C

Axial Tilt: 24.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.46 AU - 4.6 AU

Year: 2884 Days

Day: 29.9 Hours

Environment

Temp: -121 °C

Axial Tilt: 19 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.87 AU - 6.01 AU

Year: 3914 Days

Day: 26.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.57 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 14.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 124

Radius: 7.2

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 12.52 AU - 15.86 AU

Year: 19053 Days

Day: 15.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 111,122,432 km

• M1: 216,319 km (0.045 R)
• M2: 863,329 km (0.05 R)
• M3: 1,426,715 km (0.064 R)
• M4: 3,465,435 km (0.078 R)
• M5: 5,072,265 km (0.118 R)
• M6: 6,970,363 km (0.119 R)
• M7: 7,510,262 km (0.115 R)
• M8: 8,457,366 km (0.115 R)
• M9: 13,396,938 km (0.101 R)
• M10: 18,999,977 km (0.107 R)
• M11: 24,912,833 km (0.09 R)
• M12: 32,787,964 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378.6

Radius: 4.7

Gravity: 17.14 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 16.25 AU - 20.15 AU

Year: 27676 Days

Day: 20.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 111,122,432 km

• M1: 59,690 km (0.075 R)
• M2: 228,735 km (0.075 R)
• M3: 452,683 km (0.116 R)
• M4: 775,964 km (0.049 R)
• M5: 1,156,541 km (0.088 R)
• M6: 1,358,349 km (0.095 R)
• M7: 2,171,413 km (0.071 R)
• M8: 3,323,915 km (0.059 R)
• M9: 4,079,384 km (0.081 R)
• M10: 4,514,714 km (0.036 R)
• M11: 6,133,363 km (0.106 R)
• M12: 7,025,266 km (0.092 R)
• M13: 9,230,189 km (0.052 R)
• M14: 9,570,524 km (0.034 R)
• M15: 10,397,202 km (0.044 R)
• M16: 11,016,088 km (0.045 R)
• M17: 11,659,209 km (0.081 R)
• M18: 14,865,540 km (0.099 R)
• M19: 15,176,255 km (0.085 R)
• M20: 15,810,550 km (0.058 R)
• M21: 16,215,811 km (0.119 R)
• M22: 20,085,758 km (0.079 R)
• M23: 21,239,008 km (0.05 R)
• M24: 30,949,855 km (0.092 R)
• M25: 34,747,247 km (0.043 R)
• M26: 36,686,783 km (0.09 R)
• M27: 37,253,909 km (0.075 R)
• M28: 39,432,802 km (0.054 R)
• M29: 42,157,727 km (0.033 R)
• M30: 43,093,312 km (0.064 R)
• M31: 46,807,678 km (0.116 R)
• M32: 53,221,537 km (0.071 R)
• M33: 53,402,550 km (0.111 R)
• M34: 58,639,822 km (0.116 R)
• M35: 59,804,890 km (0.095 R)
• M36: 73,881,152 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931.5

Radius: 5.6

Gravity: 29.7 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 18.45 AU - 20.19 AU

Year: 30270 Days

Day: 23.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 167.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 111,122,432 km

• M1: 70,610 km (0.051 R)
• M2: 313,557 km (0.094 R)
• M3: 717,322 km (0.1 R)
• M4: 1,351,617 km (0.068 R)
• M5: 1,529,339 km (0.059 R)
• M6: 2,481,380 km (0.095 R)
• M7: 3,128,391 km (0.105 R)
• M8: 4,319,938 km (0.115 R)
• M9: 5,207,801 km (0.066 R)
• M10: 6,211,603 km (0.111 R)
• M11: 6,606,691 km (0.101 R)
• M12: 6,913,815 km (0.028 R)
• M13: 8,776,458 km (0.053 R)
• M14: 9,659,086 km (0.06 R)
• M15: 9,921,929 km (0.108 R)
• M16: 11,896,322 km (0.116 R)
• M17: 13,134,843 km (0.065 R)
• M18: 13,868,171 km (0.12 R)
• M19: 14,118,449 km (0.105 R)
• M20: 24,418,711 km (0.109 R)
• M21: 25,029,369 km (0.109 R)
• M22: 25,525,286 km (0.112 R)
• M23: 26,408,811 km (0.049 R)
• M24: 34,223,654 km (0.06 R)
• M25: 34,834,313 km (0.081 R)
• M26: 38,324,282 km (0.065 R)
• M27: 39,648,971 km (0.071 R)
• M28: 48,435,303 km (0.106 R)
• M29: 51,762,958 km (0.065 R)
• M30: 58,651,491 km (0.089 R)
• M31: 63,338,990 km (0.098 R)
• M32: 72,194,137 km (0.043 R)
• M33: 75,234,116 km (0.025 R)
• M34: 76,266,191 km (0.061 R)
• M35: 77,831,883 km (0.08 R)
• M36: 80,220,213 km (0.117 R)
• M37: 85,701,927 km (0.102 R)
• M38: 92,014,210 km (0.044 R)
• M39: 105,554,462 km (0.087 R)

Kuiper Belt

Range: 30.8 - 51.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 18,460 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit