🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.69 AU - 0.71 AU

Year: 211 Days

Day: 41.2 Hours

Environment

Temp: 185 °C

Axial Tilt: 31.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.99 AU - 1.51 AU

Year: 503 Days

Day: 41.8 Hours

Environment

Temp: 18 °C

Axial Tilt: 26.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 109,904,141 km

• M1: 583,731 km (0.114 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.03 AU - 3.27 AU

Year: 1553 Days

Day: 38.8 Hours

Environment

Temp: -85 °C

Axial Tilt: 35 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.05 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.3

Radius: 12.2

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 6.28 AU - 8.6 AU

Year: 7303 Days

Day: 10.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 109,904,141 km

• M1: 153,787 km (0.118 R)
• M2: 561,441 km (0.111 R)
• M3: 1,893,311 km (0.117 R)
• M4: 2,699,494 km (0.084 R)
• M5: 3,153,523 km (0.086 R)
• M6: 6,029,692 km (0.087 R)
• M7: 6,714,401 km (0.052 R)
• M8: 10,853,774 km (0.104 R)
• M9: 12,447,141 km (0.053 R)
• M10: 13,197,674 km (0.115 R)
• M11: 14,955,150 km (0.1 R)
• M12: 15,745,924 km (0.053 R)
• M13: 17,596,300 km (0.119 R)
• M14: 18,670,562 km (0.105 R)
• M15: 28,290,902 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.4

Radius: 10.1

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 7.41 AU - 10.23 AU

Year: 9427 Days

Day: 13.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 109,904,141 km

• M1: 126,859 km (0.064 R)
• M2: 470,186 km (0.081 R)
• M3: 817,702 km (0.108 R)
• M4: 1,527,843 km (0.083 R)
• M5: 2,607,640 km (0.111 R)
• M6: 4,044,528 km (0.049 R)
• M7: 7,779,688 km (0.072 R)
• M8: 8,317,642 km (0.11 R)
• M9: 10,165,475 km (0.113 R)
• M10: 14,924,931 km (0.051 R)
• M11: 16,443,050 km (0.093 R)
• M12: 22,461,223 km (0.076 R)
• M13: 24,450,426 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.2

Radius: 13.9

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 10.16 AU - 10.6 AU

Year: 12036 Days

Day: 14.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 109,904,141 km

• M1: 173,384 km (0.094 R)
• M2: 1,772,585 km (0.105 R)
• M3: 3,989,775 km (0.086 R)
• M4: 10,364,140 km (0.047 R)
• M5: 11,670,130 km (0.106 R)
• M6: 12,802,885 km (0.072 R)
• M7: 19,964,883 km (0.103 R)
• M8: 22,628,324 km (0.077 R)
• M9: 24,387,146 km (0.098 R)
• M10: 29,132,241 km (0.096 R)
• M11: 31,313,228 km (0.066 R)
• M12: 33,071,601 km (0.115 R)
• M13: 34,568,478 km (0.108 R)
• M14: 37,238,800 km (0.096 R)
• M15: 39,329,729 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.2

Radius: 9.4

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 7.92 AU - 13.08 AU

Year: 12245 Days

Day: 12.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 109,904,141 km

• M1: 116,986 km (0.099 R)
• M2: 1,217,876 km (0.118 R)
• M3: 2,096,614 km (0.109 R)
• M4: 2,514,441 km (0.052 R)
• M5: 3,009,012 km (0.082 R)
• M6: 4,360,778 km (0.089 R)
• M7: 5,045,338 km (0.111 R)
• M8: 6,186,321 km (0.065 R)
• M9: 6,779,327 km (0.025 R)
• M10: 7,409,583 km (0.05 R)
• M11: 8,164,902 km (0.109 R)
• M12: 10,226,810 km (0.092 R)
• M13: 10,687,870 km (0.118 R)
• M14: 17,499,809 km (0.053 R)
• M15: 18,308,685 km (0.065 R)
• M16: 20,080,522 km (0.103 R)
• M17: 20,399,914 km (0.078 R)
• M18: 31,962,632 km (0.115 R)
• M19: 35,910,969 km (0.117 R)
• M20: 38,552,418 km (0.098 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.1

Radius: 15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 9.38 AU - 13.66 AU

Year: 14072 Days

Day: 11 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 109,904,141 km

• M1: 189,690 km (0.069 R)
• M2: 700,567 km (0.077 R)
• M3: 1,327,382 km (0.079 R)
• M4: 2,870,484 km (0.076 R)
• M5: 6,231,051 km (0.119 R)
• M6: 6,876,865 km (0.117 R)
• M7: 7,448,927 km (0.039 R)
• M8: 9,041,995 km (0.113 R)
• M9: 9,871,814 km (0.095 R)
• M10: 10,403,485 km (0.11 R)
• M11: 13,826,882 km (0.092 R)
• M12: 15,631,033 km (0.12 R)
• M13: 18,807,744 km (0.095 R)
• M14: 21,256,960 km (0.086 R)
• M15: 24,962,499 km (0.111 R)
• M16: 25,679,821 km (0.099 R)
• M17: 31,713,103 km (0.091 R)
• M18: 33,519,198 km (0.1 R)
• M19: 35,169,113 km (0.079 R)
• M20: 38,868,818 km (0.103 R)
• M21: 41,808,566 km (0.045 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 861.1

Radius: 3.7

Gravity: 62.9 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 16.59 AU - 22.39 AU

Year: 30966 Days

Day: 15.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 172.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 109,904,141 km

• M1: 46,076 km (0.07 R)
• M2: 176,825 km (0.074 R)
• M3: 367,263 km (0.106 R)
• M4: 521,797 km (0.05 R)
• M5: 644,916 km (0.051 R)
• M6: 811,419 km (0.118 R)
• M7: 1,006,345 km (0.093 R)
• M8: 1,583,793 km (0.04 R)
• M9: 1,742,067 km (0.103 R)
• M10: 2,067,443 km (0.083 R)
• M11: 2,697,698 km (0.049 R)
• M12: 3,350,544 km (0.094 R)
• M13: 5,701,324 km (0.057 R)
• M14: 6,364,193 km (0.091 R)
• M15: 6,512,743 km (0.114 R)
• M16: 9,857,901 km (0.119 R)
• M17: 10,190,906 km (0.119 R)
• M18: 11,379,162 km (0.108 R)
• M19: 12,579,087 km (0.071 R)
• M20: 12,813,058 km (0.084 R)
• M21: 16,680,611 km (0.059 R)
• M22: 18,124,979 km (0.065 R)
• M23: 21,927,158 km (0.104 R)
• M24: 23,775,440 km (0.101 R)
• M25: 25,227,736 km (0.113 R)
• M26: 50,199,809 km (0.111 R)
• M27: 52,380,198 km (0.114 R)
• M28: 52,783,215 km (0.052 R)
• M29: 57,997,748 km (0.118 R)
• M30: 62,182,749 km (0.066 R)
• M31: 67,512,621 km (0.046 R)
• M32: 71,642,121 km (0.053 R)
• M33: 81,745,064 km (0.114 R)
• M34: 86,150,272 km (0.102 R)
• M35: 90,421,591 km (0.092 R)
• M36: 96,031,511 km (0.111 R)
• M37: 101,556,011 km (0.102 R)
• M38: 107,938,604 km (0.098 R)

Kuiper Belt

Range: 30.5 - 55.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 12,562 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit