🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.53 AU - 0.53 AU

Year: 253 Days

Day: 12.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.5

Radius: 9.3

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.24 AU - 1.68 AU

Year: 1157 Days

Day: 12.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,336,654 km

• M1: 115,789 km (0.119 R)
• M2: 453,132 km (0.065 R)
• M3: 746,793 km (0.115 R)
• M4: 1,153,549 km (0.037 R)
• M5: 1,492,987 km (0.078 R)
• M6: 1,820,008 km (0.046 R)
• M7: 2,882,302 km (0.068 R)
• M8: 4,439,167 km (0.044 R)
• M9: 5,124,625 km (0.098 R)
• M10: 5,683,821 km (0.095 R)
• M11: 6,421,788 km (0.088 R)
• M12: 6,777,831 km (0.048 R)
• M13: 7,071,940 km (0.025 R)
• M14: 8,588,264 km (0.069 R)
• M15: 9,437,830 km (0.037 R)
• M16: 9,930,007 km (0.094 R)
• M17: 11,133,822 km (0.09 R)
• M18: 11,613,881 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.1

Radius: 11.1

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.26 AU - 1.84 AU

Year: 1266 Days

Day: 7.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,336,654 km

• M1: 139,575 km (0.109 R)
• M2: 515,065 km (0.055 R)
• M3: 1,097,749 km (0.049 R)
• M4: 1,738,477 km (0.075 R)
• M5: 2,409,723 km (0.112 R)
• M6: 2,984,627 km (0.086 R)
• M7: 3,413,375 km (0.097 R)
• M8: 4,003,688 km (0.078 R)
• M9: 4,675,981 km (0.069 R)
• M10: 6,227,460 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.8

Radius: 13.4

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.91 AU - 2.61 AU

Year: 2229 Days

Day: 10.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 158.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,336,654 km

• M1: 174,282 km (0.098 R)
• M2: 640,728 km (0.12 R)
• M3: 1,483,412 km (0.119 R)
• M4: 1,996,084 km (0.055 R)
• M5: 2,784,316 km (0.117 R)
• M6: 3,414,571 km (0.031 R)
• M7: 4,199,511 km (0.064 R)
• M8: 4,627,361 km (0.095 R)
• M9: 6,109,727 km (0.075 R)
• M10: 6,745,966 km (0.081 R)
• M11: 7,540,032 km (0.117 R)
• M12: 8,272,912 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.2

Radius: 14.7

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 5.42 AU - 5.56 AU

Year: 8439 Days

Day: 14.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 86,336,654 km

• M1: 182,958 km (0.029 R)
• M2: 725,998 km (0.091 R)
• M3: 1,243,757 km (0.043 R)
• M4: 1,751,641 km (0.067 R)
• M5: 2,363,347 km (0.103 R)
• M6: 3,027,562 km (0.113 R)
• M7: 4,327,717 km (0.101 R)
• M8: 5,010,631 km (0.067 R)
• M9: 6,260,222 km (0.078 R)
• M10: 8,092,646 km (0.067 R)
• M11: 8,992,328 km (0.063 R)
• M12: 10,209,755 km (0.12 R)
• M13: 12,851,803 km (0.093 R)
• M14: 14,459,382 km (0.087 R)
• M15: 17,848,073 km (0.099 R)
• M16: 23,650,526 km (0.115 R)
• M17: 24,283,175 km (0.054 R)
• M18: 29,445,498 km (0.088 R)
• M19: 30,177,930 km (0.1 R)
• M20: 31,029,740 km (0.057 R)
• M21: 33,909,499 km (0.12 R)
• M22: 38,185,006 km (0.117 R)
• M23: 39,813,379 km (0.061 R)
• M24: 41,227,079 km (0.084 R)
• M25: 42,673,989 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796.9

Radius: 4.2

Gravity: 45.18 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.85 AU - 8.89 AU

Year: 13125 Days

Day: 19.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 86,336,654 km

• M1: 52,509 km (0.118 R)
• M2: 191,036 km (0.102 R)
• M3: 370,255 km (0.108 R)
• M4: 635,791 km (0.094 R)
• M5: 767,886 km (0.086 R)
• M6: 918,681 km (0.054 R)
• M7: 1,682,527 km (0.114 R)
• M8: 1,851,124 km (0.084 R)
• M9: 2,222,127 km (0.083 R)
• M10: 2,597,019 km (0.088 R)
• M11: 3,339,324 km (0.105 R)
• M12: 3,471,269 km (0.118 R)
• M13: 3,945,644 km (0.082 R)
• M14: 6,983,528 km (0.095 R)
• M15: 7,874,832 km (0.086 R)
• M16: 8,061,829 km (0.112 R)
• M17: 9,195,183 km (0.083 R)
• M18: 9,719,523 km (0.115 R)
• M19: 11,175,709 km (0.027 R)
• M20: 11,531,303 km (0.089 R)
• M21: 13,556,409 km (0.107 R)
• M22: 14,442,777 km (0.046 R)
• M23: 17,569,971 km (0.045 R)
• M24: 18,871,023 km (0.106 R)
• M25: 20,941,009 km (0.048 R)
• M26: 21,209,986 km (0.104 R)
• M27: 24,919,116 km (0.106 R)
• M28: 33,344,617 km (0.055 R)
• M29: 35,079,055 km (0.027 R)
• M30: 37,792,162 km (0.066 R)
• M31: 41,622,765 km (0.072 R)
• M32: 50,203,998 km (0.055 R)
• M33: 55,673,596 km (0.083 R)
• M34: 57,756,896 km (0.089 R)
• M35: 60,072,072 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.3

Radius: 3.4

Gravity: 45.1 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 8.77 AU - 10.47 AU

Year: 19574 Days

Day: 19.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 86,336,654 km

• M1: 42,486 km (0.104 R)
• M2: 268,678 km (0.1 R)
• M3: 434,731 km (0.104 R)
• M4: 557,551 km (0.096 R)
• M5: 667,057 km (0.072 R)
• M6: 1,450,052 km (0.081 R)
• M7: 1,746,106 km (0.089 R)
• M8: 4,133,090 km (0.069 R)
• M9: 4,455,025 km (0.062 R)
• M10: 5,559,655 km (0.042 R)
• M11: 5,991,844 km (0.113 R)
• M12: 8,044,476 km (0.066 R)
• M13: 8,192,578 km (0.081 R)
• M14: 10,758,630 km (0.093 R)
• M15: 11,868,497 km (0.108 R)
• M16: 17,814,414 km (0.08 R)
• M17: 18,923,083 km (0.114 R)
• M18: 20,717,360 km (0.104 R)
• M19: 21,560,494 km (0.099 R)
• M20: 21,942,417 km (0.111 R)
• M21: 22,231,889 km (0.087 R)
• M22: 26,555,417 km (0.104 R)
• M23: 27,661,544 km (0.083 R)
• M24: 34,040,397 km (0.089 R)
• M25: 40,314,981 km (0.09 R)
• M26: 50,431,985 km (0.082 R)
• M27: 51,104,577 km (0.097 R)
• M28: 54,029,964 km (0.088 R)
• M29: 55,623,031 km (0.039 R)
• M30: 56,340,952 km (0.05 R)
• M31: 56,883,394 km (0.082 R)
• M32: 58,162,755 km (0.087 R)
• M33: 58,716,865 km (0.074 R)
• M34: 61,349,339 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 924.6

Radius: 7.3

Gravity: 17.35 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 8.79 AU - 11.25 AU

Year: 20807 Days

Day: 15.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,336,654 km

• M1: 102,923 km (0.055 R)
• M2: 337,792 km (0.1 R)
• M3: 1,298,061 km (0.109 R)
• M4: 1,554,771 km (0.059 R)
• M5: 2,327,444 km (0.067 R)
• M6: 4,459,363 km (0.038 R)
• M7: 5,206,754 km (0.1 R)
• M8: 6,758,383 km (0.095 R)
• M9: 7,189,973 km (0.038 R)
• M10: 11,264,271 km (0.057 R)
• M11: 13,297,605 km (0.077 R)
• M12: 13,822,843 km (0.117 R)
• M13: 16,918,322 km (0.084 R)
• M14: 19,763,375 km (0.052 R)
• M15: 37,355,935 km (0.118 R)
• M16: 37,652,587 km (0.119 R)
• M17: 49,404,996 km (0.091 R)
• M18: 65,728,068 km (0.109 R)
• M19: 75,209,582 km (0.098 R)
• M20: 84,028,974 km (0.069 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 355 - 16,374 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit