🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.57 AU - 0.75 AU

Year: 197 Days

Day: 20.5 Hours

Environment

Temp: 137 °C

Axial Tilt: 32.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.32 AU - 2.16 AU

Year: 843 Days

Day: 38.7 Hours

Environment

Temp: -49 °C

Axial Tilt: 5.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.14 AU - 2.9 AU

Year: 1468 Days

Day: 19.8 Hours

Environment

Temp: -88 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 92,628,163 km

• M1: 36,651 km (0.058 R)
• M2: 112,797 km (0.079 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.75 AU - 2.99 AU

Year: 1785 Days

Day: 43.3 Hours

Environment

Temp: -90 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.78 AU - 3.32 AU

Year: 1955 Days

Day: 42.2 Hours

Environment

Temp: -99 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.43 AU - 4.35 AU

Year: 2816 Days

Day: 38.7 Hours

Environment

Temp: -123 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.72 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 15.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710.7

Radius: 3.7

Gravity: 51.91 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 11.69 AU - 19.41 AU

Year: 22510 Days

Day: 19.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 92,628,163 km

• M1: 46,226 km (0.109 R)
• M2: 216,618 km (0.065 R)
• M3: 420,220 km (0.043 R)
• M4: 712,385 km (0.115 R)
• M5: 1,007,542 km (0.089 R)
• M6: 1,363,285 km (0.095 R)
• M7: 2,363,198 km (0.082 R)
• M8: 3,741,293 km (0.078 R)
• M9: 6,715,149 km (0.105 R)
• M10: 7,386,395 km (0.11 R)
• M11: 8,749,680 km (0.068 R)
• M12: 9,029,727 km (0.066 R)
• M13: 9,373,803 km (0.116 R)
• M14: 9,726,554 km (0.109 R)
• M15: 10,773,889 km (0.046 R)
• M16: 13,904,823 km (0.083 R)
• M17: 18,767,801 km (0.078 R)
• M18: 22,606,632 km (0.03 R)
• M19: 24,103,059 km (0.057 R)
• M20: 29,859,436 km (0.095 R)
• M21: 31,658,051 km (0.065 R)
• M22: 31,920,894 km (0.049 R)
• M23: 39,272,283 km (0.086 R)
• M24: 41,271,659 km (0.082 R)
• M25: 43,987,160 km (0.064 R)
• M26: 45,639,019 km (0.045 R)
• M27: 56,233,092 km (0.068 R)
• M28: 57,394,270 km (0.028 R)
• M29: 58,967,142 km (0.085 R)
• M30: 64,698,386 km (0.069 R)
• M31: 67,047,821 km (0.081 R)
• M32: 67,698,272 km (0.063 R)
• M33: 69,897,062 km (0.115 R)
• M34: 73,283,659 km (0.064 R)
• M35: 78,206,176 km (0.114 R)
• M36: 78,686,236 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 462.5

Radius: 3.2

Gravity: 45.17 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 15.83 AU - 21.55 AU

Year: 29661 Days

Day: 20.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 92,628,163 km

• M1: 47,123 km (0.069 R)
• M2: 258,056 km (0.066 R)
• M3: 375,640 km (0.048 R)
• M4: 520,900 km (0.087 R)
• M5: 733,927 km (0.094 R)
• M6: 951,143 km (0.1 R)
• M7: 1,068,278 km (0.109 R)
• M8: 1,180,327 km (0.075 R)
• M9: 1,618,200 km (0.078 R)
• M10: 1,864,139 km (0.09 R)
• M11: 2,501,725 km (0.112 R)
• M12: 3,889,096 km (0.04 R)
• M13: 4,293,908 km (0.085 R)
• M14: 4,952,886 km (0.072 R)
• M15: 6,152,212 km (0.078 R)
• M16: 6,653,814 km (0.118 R)
• M17: 7,083,908 km (0.044 R)
• M18: 7,634,578 km (0.104 R)
• M19: 10,310,734 km (0.051 R)
• M20: 10,821,012 km (0.119 R)
• M21: 12,310,708 km (0.116 R)
• M22: 12,812,010 km (0.078 R)
• M23: 19,445,629 km (0.117 R)
• M24: 28,051,396 km (0.11 R)
• M25: 28,544,321 km (0.061 R)
• M26: 29,929,448 km (0.103 R)
• M27: 30,057,503 km (0.088 R)
• M28: 30,443,915 km (0.082 R)
• M29: 31,490,801 km (0.12 R)
• M30: 31,889,479 km (0.1 R)
• M31: 34,212,435 km (0.04 R)
• M32: 44,133,317 km (0.044 R)
• M33: 46,839,093 km (0.115 R)
• M34: 51,101,735 km (0.117 R)
• M35: 51,652,106 km (0.05 R)
• M36: 62,246,178 km (0.052 R)
• M37: 62,664,154 km (0.071 R)
• M38: 63,717,174 km (0.057 R)
• M39: 67,826,478 km (0.118 R)
• M40: 69,383,941 km (0.111 R)
• M41: 78,256,142 km (0.093 R)
• M42: 82,458,646 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503.2

Radius: 5.7

Gravity: 15.49 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 16.83 AU - 21.95 AU

Year: 31343 Days

Day: 20.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 92,628,163 km

• M1: 70,909 km (0.113 R)
• M2: 288,574 km (0.091 R)
• M3: 558,449 km (0.052 R)
• M4: 778,507 km (0.03 R)
• M5: 1,069,924 km (0.092 R)
• M6: 1,287,439 km (0.113 R)
• M7: 2,059,514 km (0.115 R)
• M8: 2,520,275 km (0.073 R)
• M9: 2,722,831 km (0.106 R)
• M10: 3,218,897 km (0.075 R)
• M11: 3,519,589 km (0.114 R)
• M12: 4,571,711 km (0.08 R)
• M13: 5,352,761 km (0.082 R)
• M14: 6,977,394 km (0.113 R)
• M15: 7,901,610 km (0.026 R)
• M16: 10,116,257 km (0.115 R)
• M17: 10,565,050 km (0.06 R)
• M18: 14,007,148 km (0.108 R)
• M19: 15,053,884 km (0.073 R)
• M20: 25,489,383 km (0.096 R)
• M21: 27,413,062 km (0.118 R)
• M22: 31,142,537 km (0.088 R)
• M23: 35,929,519 km (0.087 R)
• M24: 36,225,424 km (0.108 R)
• M25: 44,502,823 km (0.117 R)
• M26: 52,802,812 km (0.093 R)
• M27: 53,956,212 km (0.106 R)
• M28: 59,354,152 km (0.059 R)
• M29: 60,810,188 km (0.11 R)
• M30: 62,076,983 km (0.116 R)
• M31: 62,716,963 km (0.111 R)
• M32: 74,519,935 km (0.095 R)
• M33: 76,213,832 km (0.059 R)
• M34: 78,677,709 km (0.097 R)
• M35: 80,940,227 km (0.119 R)
• M36: 82,729,717 km (0.069 R)
• M37: 92,350,805 km (0.101 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 210 - 12,513 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit