🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.4 AU - 0.64 AU

Year: 242 Days

Day: 18.5 Hours

Environment

Temp: -110 °C

Axial Tilt: 170.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.2

Radius: 9.4

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.26 AU - 1.38 AU

Year: 979 Days

Day: 11.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,175,312 km

• M1: 116,836 km (0.049 R)
• M2: 521,498 km (0.078 R)
• M3: 886,966 km (0.053 R)
• M4: 1,222,065 km (0.048 R)
• M5: 1,634,506 km (0.104 R)
• M6: 2,148,375 km (0.084 R)
• M7: 2,566,501 km (0.056 R)
• M8: 3,136,768 km (0.112 R)
• M9: 3,445,837 km (0.041 R)
• M10: 4,171,237 km (0.11 R)
• M11: 4,627,062 km (0.118 R)
• M12: 5,418,285 km (0.03 R)
• M13: 5,884,731 km (0.086 R)
• M14: 7,135,818 km (0.079 R)
• M15: 7,696,810 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.2

Radius: 9.4

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.08 AU - 2.1 AU

Year: 1951 Days

Day: 13.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,175,312 km

• M1: 116,836 km (0.067 R)
• M2: 581,038 km (0.113 R)
• M3: 974,181 km (0.096 R)
• M4: 1,692,850 km (0.08 R)
• M5: 2,044,255 km (0.053 R)
• M6: 2,545,857 km (0.054 R)
• M7: 3,562,972 km (0.109 R)
• M8: 4,255,012 km (0.074 R)
• M9: 5,137,640 km (0.112 R)
• M10: 6,473,698 km (0.096 R)
• M11: 6,924,137 km (0.115 R)
• M12: 7,556,936 km (0.092 R)
• M13: 8,028,170 km (0.043 R)
• M14: 9,090,913 km (0.115 R)
• M15: 10,045,946 km (0.102 R)
• M16: 11,278,483 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.1

Radius: 8.4

Gravity: 11.88 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.61 AU - 2.75 AU

Year: 2833 Days

Day: 12 Hours

Environment

Temp: -190 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,175,312 km

• M1: 104,569 km (0.102 R)
• M2: 486,791 km (0.116 R)
• M3: 1,031,926 km (0.104 R)
• M4: 1,746,705 km (0.088 R)
• M5: 2,662,094 km (0.095 R)
• M6: 3,726,333 km (0.105 R)
• M7: 4,201,755 km (0.116 R)
• M8: 4,488,086 km (0.064 R)
• M9: 6,723,826 km (0.033 R)
• M10: 7,209,421 km (0.044 R)
• M11: 8,631,049 km (0.047 R)
• M12: 9,803,896 km (0.12 R)
• M13: 10,073,921 km (0.115 R)
• M14: 10,508,502 km (0.032 R)
• M15: 11,372,879 km (0.101 R)
• M16: 11,844,112 km (0.115 R)
• M17: 12,150,638 km (0.06 R)
• M18: 13,716,030 km (0.094 R)
• M19: 14,747,508 km (0.092 R)
• M20: 15,829,848 km (0.116 R)
• M21: 16,580,381 km (0.087 R)
• M22: 16,909,047 km (0.071 R)
• M23: 17,466,748 km (0.076 R)
• M24: 18,036,566 km (0.115 R)
• M25: 19,943,491 km (0.118 R)
• M26: 20,755,358 km (0.099 R)
• M27: 21,981,163 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.7

Radius: 15

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.55 AU - 3.15 AU

Year: 3107 Days

Day: 13.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,175,312 km

• M1: 186,549 km (0.102 R)
• M2: 886,816 km (0.063 R)
• M3: 1,958,835 km (0.046 R)
• M4: 3,115,076 km (0.076 R)
• M5: 3,971,375 km (0.076 R)
• M6: 4,760,653 km (0.071 R)
• M7: 6,444,676 km (0.078 R)
• M8: 7,054,736 km (0.11 R)
• M9: 7,770,263 km (0.057 R)
• M10: 8,714,375 km (0.117 R)
• M11: 9,347,174 km (0.101 R)
• M12: 10,090,676 km (0.074 R)
• M13: 13,515,120 km (0.075 R)
• M14: 14,364,687 km (0.056 R)
• M15: 17,127,909 km (0.104 R)
• M16: 17,885,622 km (0.058 R)
• M17: 19,218,539 km (0.07 R)
• M18: 21,075,647 km (0.037 R)
• M19: 23,473,103 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.5

Radius: 14.7

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.71 AU - 4.65 AU

Year: 5518 Days

Day: 7.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,175,312 km

• M1: 182,809 km (0.105 R)
• M2: 643,271 km (0.063 R)
• M3: 1,294,470 km (0.089 R)
• M4: 1,834,668 km (0.081 R)
• M5: 2,394,314 km (0.073 R)
• M6: 3,731,420 km (0.082 R)
• M7: 4,217,912 km (0.102 R)
• M8: 4,799,548 km (0.074 R)
• M9: 5,263,601 km (0.062 R)
• M10: 6,573,929 km (0.119 R)
• M11: 7,148,385 km (0.111 R)
• M12: 7,904,452 km (0.047 R)
• M13: 8,713,178 km (0.076 R)
• M14: 9,407,911 km (0.106 R)
• M15: 12,410,639 km (0.045 R)
• M16: 13,992,338 km (0.047 R)
• M17: 17,745,748 km (0.046 R)
• M18: 19,680,647 km (0.108 R)
• M19: 20,238,348 km (0.111 R)
• M20: 21,826,629 km (0.095 R)
• M21: 23,032,986 km (0.072 R)
• M22: 23,966,626 km (0.103 R)
• M23: 27,693,857 km (0.119 R)
• M24: 29,107,407 km (0.108 R)
• M25: 31,411,663 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.2

Radius: 8.2

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.77 AU - 5.53 AU

Year: 6474 Days

Day: 7.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,175,312 km

• M1: 105,915 km (0.119 R)
• M2: 491,279 km (0.03 R)
• M3: 974,929 km (0.059 R)
• M4: 2,383,992 km (0.088 R)
• M5: 2,689,919 km (0.117 R)
• M6: 3,325,710 km (0.113 R)
• M7: 4,229,581 km (0.118 R)
• M8: 5,624,880 km (0.08 R)
• M9: 5,975,537 km (0.088 R)
• M10: 6,543,560 km (0.053 R)
• M11: 7,240,687 km (0.112 R)
• M12: 8,605,019 km (0.116 R)
• M13: 10,899,102 km (0.077 R)
• M14: 11,703,341 km (0.085 R)
• M15: 12,186,691 km (0.09 R)
• M16: 15,009,454 km (0.084 R)
• M17: 16,381,416 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602.2

Radius: 7.8

Gravity: 9.9 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 6.39 AU - 7.73 AU

Year: 12112 Days

Day: 20.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,175,312 km

• M1: 98,136 km (0.087 R)
• M2: 400,773 km (0.097 R)
• M3: 644,019 km (0.112 R)
• M4: 960,568 km (0.08 R)
• M5: 1,289,982 km (0.09 R)
• M6: 1,951,504 km (0.113 R)
• M7: 2,291,839 km (0.104 R)
• M8: 2,588,043 km (0.026 R)
• M9: 3,282,327 km (0.105 R)
• M10: 5,573,269 km (0.044 R)
• M11: 5,965,065 km (0.086 R)
• M12: 7,419,606 km (0.102 R)
• M13: 8,667,401 km (0.058 R)
• M14: 9,048,128 km (0.043 R)
• M15: 9,894,553 km (0.106 R)
• M16: 18,815,223 km (0.088 R)
• M17: 20,025,171 km (0.107 R)
• M18: 22,332,269 km (0.091 R)
• M19: 25,969,143 km (0.093 R)
• M20: 27,876,217 km (0.038 R)
• M21: 28,706,335 km (0.093 R)
• M22: 29,660,022 km (0.059 R)
• M23: 33,569,613 km (0.062 R)
• M24: 38,062,037 km (0.117 R)
• M25: 44,325,999 km (0.119 R)
• M26: 46,316,698 km (0.05 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 229 - 12,431 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit