🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.35 AU - 1.35 AU

Year: 551 Days

Day: 26.9 Hours

Environment

Temp: -5 °C

Axial Tilt: 36.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.69 AU - 1.93 AU

Year: 856 Days

Day: 47.1 Hours

Environment

Temp: -46 °C

Axial Tilt: 14.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 94,294,821 km

• M1: 67,020 km (0.097 R)
• M2: 1,327,083 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 3.52 AU - 4.64 AU

Year: 2896 Days

Day: 46 Hours

Environment

Temp: -107 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463

Radius: 13.4

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 5.38 AU - 6.86 AU

Year: 5321 Days

Day: 7.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 94,294,821 km

• M1: 167,400 km (0.052 R)
• M2: 701,016 km (0.105 R)
• M3: 1,697,188 km (0.11 R)
• M4: 2,143,289 km (0.078 R)
• M5: 3,516,896 km (0.11 R)
• M6: 4,988,341 km (0.03 R)
• M7: 6,156,700 km (0.057 R)
• M8: 6,647,082 km (0.104 R)
• M9: 7,064,759 km (0.115 R)
• M10: 9,951,998 km (0.109 R)
• M11: 11,611,188 km (0.112 R)
• M12: 13,046,281 km (0.076 R)
• M13: 17,569,372 km (0.107 R)
• M14: 19,198,044 km (0.078 R)
• M15: 21,268,778 km (0.11 R)
• M16: 24,080,470 km (0.075 R)
• M17: 24,610,196 km (0.031 R)
• M18: 27,540,519 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.4

Radius: 8.5

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 10.98 AU - 11.42 AU

Year: 13174 Days

Day: 9.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 94,294,821 km

• M1: 105,766 km (0.037 R)
• M2: 704,606 km (0.072 R)
• M3: 1,503,758 km (0.075 R)
• M4: 2,403,888 km (0.104 R)
• M5: 2,745,869 km (0.079 R)
• M6: 3,067,056 km (0.078 R)
• M7: 3,432,224 km (0.05 R)
• M8: 3,745,183 km (0.085 R)
• M9: 4,705,302 km (0.096 R)
• M10: 6,499,579 km (0.119 R)
• M11: 6,919,051 km (0.099 R)
• M12: 7,647,443 km (0.105 R)
• M13: 11,764,975 km (0.115 R)
• M14: 13,175,384 km (0.118 R)
• M15: 16,658,172 km (0.115 R)
• M16: 17,904,771 km (0.092 R)
• M17: 21,161,516 km (0.091 R)
• M18: 21,950,196 km (0.048 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 735.1

Radius: 4

Gravity: 45.94 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 11.07 AU - 16.23 AU

Year: 17725 Days

Day: 21.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 94,294,821 km

• M1: 49,816 km (0.099 R)
• M2: 255,364 km (0.117 R)
• M3: 461,659 km (0.084 R)
• M4: 624,272 km (0.082 R)
• M5: 981,811 km (0.064 R)
• M6: 1,240,615 km (0.072 R)
• M7: 1,819,708 km (0.12 R)
• M8: 2,252,196 km (0.099 R)
• M9: 2,999,138 km (0.095 R)
• M10: 3,182,246 km (0.111 R)
• M11: 5,109,366 km (0.114 R)
• M12: 6,002,615 km (0.095 R)
• M13: 7,554,393 km (0.102 R)
• M14: 8,448,091 km (0.08 R)
• M15: 8,867,115 km (0.066 R)
• M16: 9,860,295 km (0.072 R)
• M17: 11,804,918 km (0.055 R)
• M18: 15,797,535 km (0.097 R)
• M19: 16,192,623 km (0.09 R)
• M20: 16,513,361 km (0.067 R)
• M21: 16,920,118 km (0.06 R)
• M22: 18,966,317 km (0.119 R)
• M23: 20,233,112 km (0.068 R)
• M24: 21,362,875 km (0.043 R)
• M25: 23,338,165 km (0.042 R)
• M26: 29,036,648 km (0.106 R)
• M27: 35,731,451 km (0.103 R)
• M28: 42,316,750 km (0.117 R)
• M29: 44,003,166 km (0.109 R)
• M30: 44,784,367 km (0.094 R)
• M31: 50,003,836 km (0.094 R)
• M32: 50,854,300 km (0.103 R)
• M33: 56,160,836 km (0.068 R)
• M34: 60,855,217 km (0.104 R)
• M35: 62,607,307 km (0.07 R)
• M36: 64,192,596 km (0.061 R)
• M37: 67,031,066 km (0.062 R)
• M38: 70,588,653 km (0.04 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756

Radius: 5

Gravity: 30.24 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 15.49 AU - 16.09 AU

Year: 22052 Days

Day: 17.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 94,294,821 km

• M1: 64,925 km (0.105 R)
• M2: 488,886 km (0.066 R)
• M3: 850,015 km (0.108 R)
• M4: 1,553,125 km (0.064 R)
• M5: 1,768,396 km (0.039 R)
• M6: 2,372,024 km (0.094 R)
• M7: 2,708,320 km (0.073 R)
• M8: 4,007,428 km (0.108 R)
• M9: 5,389,114 km (0.075 R)
• M10: 5,757,723 km (0.057 R)
• M11: 6,545,356 km (0.046 R)
• M12: 7,653,128 km (0.057 R)
• M13: 8,824,479 km (0.088 R)
• M14: 9,163,618 km (0.088 R)
• M15: 13,048,225 km (0.107 R)
• M16: 16,679,564 km (0.072 R)
• M17: 17,816,209 km (0.089 R)
• M18: 29,322,230 km (0.047 R)
• M19: 36,584,907 km (0.11 R)
• M20: 37,020,387 km (0.082 R)
• M21: 37,753,566 km (0.093 R)
• M22: 38,049,620 km (0.078 R)
• M23: 42,357,889 km (0.047 R)
• M24: 53,401,952 km (0.034 R)
• M25: 54,904,513 km (0.117 R)
• M26: 56,242,067 km (0.119 R)
• M27: 57,405,640 km (0.112 R)
• M28: 72,416,888 km (0.068 R)
• M29: 80,694,288 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474.6

Radius: 5.3

Gravity: 16.9 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 16.04 AU - 25.4 AU

Year: 33148 Days

Day: 15.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 94,294,821 km

• M1: 79,885 km (0.102 R)
• M2: 365,168 km (0.087 R)
• M3: 989,440 km (0.111 R)
• M4: 1,684,173 km (0.081 R)
• M5: 2,068,639 km (0.118 R)
• M6: 2,819,172 km (0.047 R)
• M7: 3,868,451 km (0.117 R)
• M8: 4,281,641 km (0.077 R)
• M9: 7,047,107 km (0.06 R)
• M10: 9,911,607 km (0.096 R)
• M11: 10,683,532 km (0.118 R)
• M12: 12,201,502 km (0.1 R)
• M13: 16,614,040 km (0.076 R)
• M14: 18,073,368 km (0.028 R)
• M15: 22,741,270 km (0.113 R)
• M16: 27,651,820 km (0.083 R)
• M17: 30,886,575 km (0.114 R)
• M18: 34,364,725 km (0.042 R)
• M19: 42,917,086 km (0.114 R)
• M20: 48,311,136 km (0.077 R)
• M21: 48,855,972 km (0.104 R)
• M22: 49,957,760 km (0.053 R)
• M23: 61,476,198 km (0.091 R)
• M24: 61,688,926 km (0.096 R)
• M25: 66,943,252 km (0.109 R)
• M26: 70,606,904 km (0.1 R)
• M27: 79,334,294 km (0.091 R)

Kuiper Belt

Range: 31.2 - 57.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 249 - 19,674 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit