🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.82 AU - 1.12 AU

Year: 351 Days

Day: 43.4 Hours

Environment

Temp: 34 °C

Axial Tilt: 2.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.03 AU - 1.35 AU

Year: 477 Days

Day: 25.3 Hours

Environment

Temp: -7 °C

Axial Tilt: 3.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 91,422,157 km

• M1: 44,431 km (0.056 R)
• M2: 302,487 km (0.114 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.33 AU - 1.49 AU

Year: 615 Days

Day: 40.1 Hours

Environment

Temp: -23 °C

Axial Tilt: 29.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.28 AU - 2.46 AU

Year: 1339 Days

Day: 23.5 Hours

Environment

Temp: -93 °C

Axial Tilt: 48.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.8 AU - 3 AU

Year: 1365 Days

Day: 39.1 Hours

Environment

Temp: -80 °C

Axial Tilt: 12 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 91,422,157 km

• M1: 38,746 km (0.094 R)

Asteroid Belt

Center: 5.39 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.3

Radius: 8.7

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 8.09 AU - 8.65 AU

Year: 8889 Days

Day: 14 Hours

Environment

Temp: -161 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 91,422,157 km

• M1: 249,529 km (0.075 R)
• M2: 1,378,096 km (0.087 R)
• M3: 2,801,669 km (0.105 R)
• M4: 3,175,963 km (0.067 R)
• M5: 4,394,288 km (0.068 R)
• M6: 6,032,385 km (0.055 R)
• M7: 6,804,160 km (0.072 R)
• M8: 7,561,574 km (0.076 R)
• M9: 9,839,950 km (0.113 R)
• M10: 13,794,719 km (0.051 R)
• M11: 15,067,498 km (0.104 R)
• M12: 18,769,746 km (0.049 R)
• M13: 19,951,120 km (0.113 R)
• M14: 20,791,710 km (0.071 R)
• M15: 24,824,420 km (0.078 R)
• M16: 27,255,386 km (0.055 R)
• M17: 27,816,378 km (0.091 R)
• M18: 28,099,716 km (0.071 R)
• M19: 28,384,999 km (0.058 R)
• M20: 29,058,190 km (0.095 R)
• M21: 30,838,255 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634.5

Radius: 3

Gravity: 70.5 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 14.7 AU - 18.78 AU

Year: 25142 Days

Day: 24.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 91,422,157 km

• M1: 37,998 km (0.116 R)
• M2: 158,574 km (0.096 R)
• M3: 717,920 km (0.08 R)
• M4: 1,060,799 km (0.109 R)
• M5: 1,833,322 km (0.066 R)
• M6: 1,994,588 km (0.104 R)
• M7: 2,415,856 km (0.091 R)
• M8: 3,056,883 km (0.071 R)
• M9: 3,254,950 km (0.112 R)
• M10: 3,401,556 km (0.08 R)
• M11: 5,319,102 km (0.096 R)
• M12: 6,713,504 km (0.063 R)
• M13: 7,595,981 km (0.052 R)
• M14: 8,832,557 km (0.038 R)
• M15: 10,321,954 km (0.036 R)
• M16: 10,511,345 km (0.11 R)
• M17: 11,970,822 km (0.096 R)
• M18: 12,109,798 km (0.112 R)
• M19: 14,171,107 km (0.118 R)
• M20: 14,720,730 km (0.097 R)
• M21: 14,960,535 km (0.114 R)
• M22: 21,733,579 km (0.06 R)
• M23: 22,148,862 km (0.105 R)
• M24: 22,358,449 km (0.077 R)
• M25: 22,463,616 km (0.048 R)
• M26: 24,527,468 km (0.106 R)
• M27: 26,596,108 km (0.091 R)
• M28: 32,001,977 km (0.065 R)
• M29: 34,889,515 km (0.025 R)
• M30: 40,079,663 km (0.114 R)
• M31: 40,235,095 km (0.068 R)
• M32: 41,334,191 km (0.104 R)
• M33: 50,132,341 km (0.111 R)
• M34: 53,634,726 km (0.12 R)
• M35: 56,512,241 km (0.082 R)
• M36: 56,707,616 km (0.07 R)
• M37: 59,895,846 km (0.052 R)
• M38: 65,975,204 km (0.092 R)
• M39: 68,828,933 km (0.117 R)
• M40: 69,498,982 km (0.101 R)
• M41: 71,307,022 km (0.054 R)
• M42: 72,914,601 km (0.108 R)
• M43: 73,146,178 km (0.031 R)
• M44: 75,016,750 km (0.118 R)
• M45: 82,817,680 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 767.4

Radius: 6.8

Gravity: 16.6 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 18.28 AU - 19.8 AU

Year: 30498 Days

Day: 19.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 91,422,157 km

• M1: 84,972 km (0.106 R)
• M2: 336,296 km (0.056 R)
• M3: 1,881,044 km (0.102 R)
• M4: 2,120,849 km (0.111 R)
• M5: 2,405,683 km (0.118 R)
• M6: 2,770,104 km (0.062 R)
• M7: 3,023,523 km (0.078 R)
• M8: 3,261,682 km (0.1 R)
• M9: 4,417,775 km (0.084 R)
• M10: 5,689,805 km (0.096 R)
• M11: 6,580,810 km (0.112 R)
• M12: 7,670,032 km (0.112 R)
• M13: 8,636,135 km (0.088 R)
• M14: 9,240,960 km (0.113 R)
• M15: 10,068,984 km (0.031 R)
• M16: 10,876,364 km (0.061 R)
• M17: 11,871,937 km (0.069 R)
• M18: 17,775,518 km (0.105 R)
• M19: 18,064,990 km (0.089 R)
• M20: 24,895,778 km (0.082 R)
• M21: 30,848,427 km (0.087 R)
• M22: 37,525,728 km (0.062 R)
• M23: 48,779,079 km (0.102 R)
• M24: 55,063,386 km (0.12 R)
• M25: 72,841,746 km (0.101 R)
• M26: 75,081,526 km (0.048 R)
• M27: 80,749,191 km (0.1 R)
• M28: 95,264,672 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483.8

Radius: 5.5

Gravity: 15.99 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 14.72 AU - 24.06 AU

Year: 31343 Days

Day: 22.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,422,157 km

• M1: 75,697 km (0.1 R)
• M2: 517,160 km (0.117 R)
• M3: 1,054,515 km (0.109 R)
• M4: 1,347,129 km (0.073 R)
• M5: 2,117,109 km (0.091 R)
• M6: 4,658,328 km (0.047 R)
• M7: 8,282,486 km (0.085 R)
• M8: 12,115,483 km (0.054 R)
• M9: 13,668,907 km (0.091 R)
• M10: 23,020,120 km (0.095 R)
• M11: 30,078,896 km (0.063 R)
• M12: 36,490,062 km (0.048 R)
• M13: 38,147,607 km (0.095 R)
• M14: 63,390,602 km (0.102 R)
• M15: 67,333,553 km (0.12 R)
• M16: 68,457,033 km (0.099 R)
• M17: 74,262,777 km (0.068 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 432 - 16,426 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit