🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.9 AU - 1.16 AU

Year: 378 Days

Day: 46.4 Hours

Environment

Temp: 24 °C

Axial Tilt: 16.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 99,237,392 km

• M1: 102,175 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.4 AU - 3.08 AU

Year: 1640 Days

Day: 42.7 Hours

Environment

Temp: -83 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 99,237,392 km

• M1: 688,449 km (0.072 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.28 AU - 4.84 AU

Year: 2959 Days

Day: 23.1 Hours

Environment

Temp: -116 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 99,237,392 km

• M1: 1,078,002 km (0.116 R)

Asteroid Belt

Center: 4.96 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.6

Radius: 9.4

Gravity: 10.98 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.76 AU - 6.94 AU

Year: 5117 Days

Day: 12.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 99,237,392 km

• M1: 116,986 km (0.077 R)
• M2: 615,595 km (0.116 R)
• M3: 1,016,218 km (0.078 R)
• M4: 1,442,423 km (0.104 R)
• M5: 2,465,373 km (0.099 R)
• M6: 2,827,101 km (0.086 R)
• M7: 3,329,001 km (0.098 R)
• M8: 4,106,013 km (0.106 R)
• M9: 4,778,306 km (0.084 R)
• M10: 6,145,032 km (0.094 R)
• M11: 6,779,776 km (0.113 R)
• M12: 9,157,484 km (0.045 R)
• M13: 9,456,979 km (0.064 R)
• M14: 11,790,107 km (0.103 R)
• M15: 13,914,098 km (0.058 R)
• M16: 16,343,717 km (0.103 R)
• M17: 17,364,274 km (0.026 R)
• M18: 17,890,260 km (0.049 R)
• M19: 20,461,997 km (0.104 R)
• M20: 21,048,869 km (0.09 R)
• M21: 21,950,196 km (0.085 R)
• M22: 23,270,697 km (0.114 R)
• M23: 24,234,107 km (0.066 R)
• M24: 27,284,258 km (0.056 R)
• M25: 27,995,297 km (0.105 R)
• M26: 29,733,325 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.5

Radius: 12.5

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 8.45 AU - 8.49 AU

Year: 8915 Days

Day: 12.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 99,237,392 km

• M1: 155,582 km (0.072 R)
• M2: 629,358 km (0.103 R)
• M3: 1,720,076 km (0.054 R)
• M4: 4,304,679 km (0.049 R)
• M5: 5,930,658 km (0.114 R)
• M6: 11,345,503 km (0.062 R)
• M7: 15,631,781 km (0.11 R)
• M8: 23,044,654 km (0.107 R)
• M9: 25,516,460 km (0.071 R)
• M10: 27,784,962 km (0.12 R)
• M11: 30,880,740 km (0.085 R)
• M12: 31,689,317 km (0.069 R)
• M13: 34,414,691 km (0.06 R)
• M14: 35,283,855 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.8

Radius: 10.4

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 8.59 AU - 9.79 AU

Year: 10075 Days

Day: 10.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 107.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 99,237,392 km

• M1: 129,402 km (0.03 R)
• M2: 500,106 km (0.112 R)
• M3: 1,088,325 km (0.098 R)
• M4: 1,798,017 km (0.09 R)
• M5: 2,214,647 km (0.089 R)
• M6: 2,657,606 km (0.108 R)
• M7: 5,171,449 km (0.063 R)
• M8: 6,429,417 km (0.083 R)
• M9: 7,037,533 km (0.102 R)
• M10: 8,963,156 km (0.09 R)
• M11: 9,315,310 km (0.037 R)
• M12: 9,722,366 km (0.11 R)
• M13: 10,621,299 km (0.111 R)
• M14: 12,098,578 km (0.047 R)
• M15: 12,583,724 km (0.104 R)
• M16: 14,295,423 km (0.085 R)
• M17: 17,079,140 km (0.101 R)
• M18: 17,896,992 km (0.058 R)
• M19: 18,812,082 km (0.075 R)
• M20: 20,507,325 km (0.119 R)
• M21: 35,869,381 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 449.2

Radius: 4.8

Gravity: 19.5 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 16.65 AU - 16.81 AU

Year: 24748 Days

Day: 22.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 99,237,392 km

• M1: 59,839 km (0.119 R)
• M2: 255,513 km (0.085 R)
• M3: 503,696 km (0.116 R)
• M4: 816,356 km (0.047 R)
• M5: 1,263,653 km (0.091 R)
• M6: 1,916,498 km (0.056 R)
• M7: 2,394,164 km (0.105 R)
• M8: 2,870,933 km (0.111 R)
• M9: 3,185,986 km (0.118 R)
• M10: 3,611,741 km (0.099 R)
• M11: 3,853,791 km (0.081 R)
• M12: 4,303,482 km (0.116 R)
• M13: 5,268,538 km (0.104 R)
• M14: 6,197,541 km (0.092 R)
• M15: 6,369,578 km (0.106 R)
• M16: 7,714,313 km (0.098 R)
• M17: 8,691,487 km (0.118 R)
• M18: 9,293,469 km (0.073 R)
• M19: 9,806,440 km (0.114 R)
• M20: 12,864,818 km (0.098 R)
• M21: 19,186,974 km (0.096 R)
• M22: 20,967,338 km (0.101 R)
• M23: 27,308,044 km (0.098 R)
• M24: 28,594,287 km (0.116 R)
• M25: 29,312,656 km (0.055 R)
• M26: 29,554,705 km (0.079 R)
• M27: 30,536,366 km (0.071 R)
• M28: 31,539,719 km (0.085 R)
• M29: 33,216,562 km (0.098 R)
• M30: 34,546,187 km (0.034 R)
• M31: 34,951,897 km (0.11 R)
• M32: 39,479,327 km (0.082 R)
• M33: 40,669,228 km (0.105 R)
• M34: 58,764,437 km (0.12 R)
• M35: 58,956,670 km (0.075 R)
• M36: 61,099,361 km (0.097 R)
• M37: 74,829,154 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 795.6

Radius: 6.8

Gravity: 17.21 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 17.6 AU - 18.42 AU

Year: 27641 Days

Day: 18.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 99,237,392 km

• M1: 84,523 km (0.115 R)
• M2: 866,022 km (0.114 R)
• M3: 1,888,374 km (0.102 R)
• M4: 2,842,808 km (0.073 R)
• M5: 3,124,950 km (0.058 R)
• M6: 3,879,372 km (0.08 R)
• M7: 5,188,802 km (0.081 R)
• M8: 8,881,027 km (0.11 R)
• M9: 10,644,038 km (0.09 R)
• M10: 14,268,944 km (0.108 R)
• M11: 15,524,669 km (0.111 R)
• M12: 17,497,416 km (0.12 R)
• M13: 18,254,381 km (0.093 R)
• M14: 18,640,942 km (0.094 R)
• M15: 20,242,088 km (0.059 R)
• M16: 22,701,178 km (0.119 R)
• M17: 25,713,032 km (0.041 R)
• M18: 26,444,116 km (0.1 R)
• M19: 39,615,611 km (0.037 R)
• M20: 41,414,675 km (0.082 R)
• M21: 42,418,626 km (0.058 R)
• M22: 43,267,594 km (0.107 R)
• M23: 44,474,998 km (0.059 R)
• M24: 55,558,256 km (0.115 R)
• M25: 63,151,245 km (0.112 R)
• M26: 65,152,117 km (0.06 R)
• M27: 69,984,277 km (0.08 R)
• M28: 74,557,185 km (0.107 R)
• M29: 79,069,506 km (0.053 R)
• M30: 90,858,865 km (0.1 R)
• M31: 91,702,747 km (0.106 R)
• M32: 92,552,014 km (0.109 R)
• M33: 93,692,398 km (0.056 R)

Kuiper Belt

Range: 30.3 - 59.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 18,415 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit