🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.09 AU - 2.25 AU

Year: 953 Days

Day: 21.6 Hours

Environment

Temp: 10 °C

Axial Tilt: 22.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.14 AU - 3.04 AU

Year: 1243 Days

Day: 16.5 Hours

Environment

Temp: 8 °C

Axial Tilt: 2.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 6.63 AU - 7.53 AU

Year: 5618 Days

Day: 35.3 Hours

Environment

Temp: -120 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 7.97 AU - 9.51 AU

Year: 7706 Days

Day: 30.8 Hours

Environment

Temp: -132 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 10.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450

Radius: 12.9

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 8.51 AU - 12.39 AU

Year: 10074 Days

Day: 11.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,101,713 km

• M1: 160,369 km (0.083 R)
• M2: 598,541 km (0.106 R)
• M3: 1,095,954 km (0.062 R)
• M4: 1,687,015 km (0.114 R)
• M5: 2,325,200 km (0.059 R)
• M6: 3,228,920 km (0.09 R)
• M7: 4,327,567 km (0.096 R)
• M8: 6,127,978 km (0.116 R)
• M9: 7,176,659 km (0.106 R)
• M10: 8,173,728 km (0.118 R)
• M11: 8,727,689 km (0.074 R)
• M12: 9,215,827 km (0.11 R)
• M13: 17,478,566 km (0.105 R)
• M14: 19,130,277 km (0.096 R)
• M15: 21,840,242 km (0.117 R)
• M16: 23,413,862 km (0.06 R)
• M17: 24,098,571 km (0.105 R)
• M18: 28,105,850 km (0.113 R)
• M19: 30,671,752 km (0.094 R)
• M20: 32,326,305 km (0.039 R)
• M21: 34,587,028 km (0.088 R)
• M22: 39,662,584 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 15.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.5

Radius: 11.9

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 11.98 AU - 19.22 AU

Year: 18375 Days

Day: 9.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 80,101,713 km

• M1: 147,952 km (0.113 R)
• M2: 587,471 km (0.109 R)
• M3: 1,639,293 km (0.111 R)
• M4: 2,142,840 km (0.078 R)
• M5: 2,795,984 km (0.116 R)
• M6: 3,465,883 km (0.097 R)
• M7: 5,969,553 km (0.1 R)
• M8: 10,465,418 km (0.063 R)
• M9: 11,314,685 km (0.117 R)
• M10: 12,078,682 km (0.111 R)
• M11: 16,027,617 km (0.114 R)
• M12: 16,828,115 km (0.082 R)
• M13: 18,336,061 km (0.095 R)
• M14: 20,857,982 km (0.115 R)
• M15: 21,812,118 km (0.061 R)
• M16: 25,705,253 km (0.066 R)
• M17: 32,885,651 km (0.112 R)
• M18: 34,969,101 km (0.114 R)
• M19: 36,043,213 km (0.04 R)
• M20: 41,746,034 km (0.072 R)
• M21: 48,683,336 km (0.099 R)
• M22: 49,517,344 km (0.083 R)
• M23: 54,185,994 km (0.082 R)
• M24: 56,169,363 km (0.092 R)
• M25: 57,086,697 km (0.078 R)
• M26: 62,214,014 km (0.118 R)
• M27: 66,204,238 km (0.109 R)
• M28: 69,516,784 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 562.9

Radius: 5.4

Gravity: 19.3 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 18.55 AU - 20.09 AU

Year: 25325 Days

Day: 21.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,101,713 km

• M1: 68,067 km (0.083 R)
• M2: 286,181 km (0.098 R)
• M3: 553,213 km (0.085 R)
• M4: 1,219,372 km (0.104 R)
• M5: 1,400,984 km (0.107 R)
• M6: 3,285,618 km (0.087 R)
• M7: 3,859,475 km (0.114 R)
• M8: 4,323,378 km (0.042 R)
• M9: 4,713,231 km (0.062 R)
• M10: 5,981,372 km (0.102 R)
• M11: 6,927,877 km (0.106 R)
• M12: 8,610,704 km (0.1 R)
• M13: 10,548,445 km (0.088 R)
• M14: 15,502,827 km (0.095 R)
• M15: 15,995,453 km (0.054 R)
• M16: 24,029,607 km (0.053 R)
• M17: 25,700,914 km (0.096 R)
• M18: 36,367,242 km (0.114 R)
• M19: 40,540,425 km (0.087 R)
• M20: 43,385,178 km (0.062 R)
• M21: 48,591,632 km (0.112 R)
• M22: 54,763,741 km (0.037 R)
• M23: 57,450,070 km (0.036 R)
• M24: 74,734,758 km (0.104 R)
• M25: 81,431,806 km (0.076 R)
• M26: 82,172,166 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 484.6

Radius: 3.4

Gravity: 41.92 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 17.62 AU - 22.88 AU

Year: 27176 Days

Day: 20 Hours

Environment

Temp: -185 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 80,101,713 km

• M1: 60,288 km (0.083 R)
• M2: 1,220,419 km (0.055 R)
• M3: 1,589,328 km (0.092 R)
• M4: 2,112,023 km (0.082 R)
• M5: 2,740,932 km (0.058 R)
• M6: 3,309,703 km (0.111 R)
• M7: 3,637,173 km (0.073 R)
• M8: 5,243,854 km (0.113 R)
• M9: 5,564,742 km (0.105 R)
• M10: 7,924,648 km (0.118 R)
• M11: 8,728,437 km (0.036 R)
• M12: 9,121,581 km (0.065 R)
• M13: 10,940,541 km (0.086 R)
• M14: 13,499,413 km (0.084 R)
• M15: 14,024,651 km (0.062 R)
• M16: 15,928,882 km (0.109 R)
• M17: 18,818,814 km (0.112 R)
• M18: 22,142,579 km (0.083 R)
• M19: 23,617,764 km (0.047 R)
• M20: 27,351,727 km (0.035 R)
• M21: 29,048,017 km (0.11 R)
• M22: 31,853,127 km (0.097 R)
• M23: 37,552,656 km (0.11 R)
• M24: 38,888,565 km (0.09 R)
• M25: 40,718,745 km (0.12 R)
• M26: 43,732,694 km (0.077 R)
• M27: 59,043,288 km (0.076 R)
• M28: 66,050,452 km (0.086 R)
• M29: 66,909,592 km (0.068 R)
• M30: 78,284,865 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 23.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 262.3

Radius: 7.6

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 18.5 AU - 29.36 AU

Year: 34911 Days

Day: 24.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 80,101,713 km

• M1: 94,546 km (0.037 R)
• M2: 584,778 km (0.091 R)
• M3: 878,588 km (0.115 R)
• M4: 1,405,622 km (0.102 R)
• M5: 1,651,860 km (0.106 R)
• M6: 1,946,567 km (0.109 R)
• M7: 2,190,562 km (0.073 R)
• M8: 2,917,757 km (0.092 R)
• M9: 3,211,417 km (0.11 R)
• M10: 3,858,578 km (0.11 R)
• M11: 4,213,125 km (0.048 R)
• M12: 4,624,818 km (0.092 R)
• M13: 5,176,685 km (0.079 R)
• M14: 6,279,819 km (0.114 R)
• M15: 6,634,815 km (0.103 R)
• M16: 7,984,188 km (0.114 R)
• M17: 10,095,463 km (0.081 R)
• M18: 10,895,961 km (0.102 R)
• M19: 16,194,418 km (0.051 R)
• M20: 17,636,542 km (0.083 R)
• M21: 18,433,898 km (0.065 R)
• M22: 21,663,417 km (0.115 R)
• M23: 24,373,831 km (0.104 R)
• M24: 25,923,217 km (0.096 R)
• M25: 30,206,652 km (0.117 R)
• M26: 30,583,489 km (0.077 R)
• M27: 36,054,134 km (0.041 R)
• M28: 37,770,770 km (0.105 R)
• M29: 45,841,575 km (0.097 R)
• M30: 47,515,126 km (0.113 R)
• M31: 54,246,282 km (0.113 R)
• M32: 63,416,482 km (0.106 R)
• M33: 75,627,408 km (0.097 R)
• M34: 77,490,351 km (0.101 R)

Kuiper Belt

Range: 36.8 - 66.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 14,523 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit