🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.86 AU - 2.02 AU

Year: 987 Days

Day: 44.9 Hours

Environment

Temp: -58 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.45 AU - 4.45 AU

Year: 2867 Days

Day: 13.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.5

Radius: 12.1

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 5.48 AU - 5.98 AU

Year: 5010 Days

Day: 10.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,248,851 km

• M1: 150,495 km (0.06 R)
• M2: 684,709 km (0.036 R)
• M3: 1,312,572 km (0.108 R)
• M4: 1,877,304 km (0.116 R)
• M5: 3,355,630 km (0.103 R)
• M6: 5,078,399 km (0.059 R)
• M7: 6,679,695 km (0.109 R)
• M8: 8,019,343 km (0.053 R)
• M9: 10,623,992 km (0.084 R)
• M10: 11,798,934 km (0.099 R)
• M11: 12,595,094 km (0.045 R)
• M12: 16,262,934 km (0.099 R)
• M13: 19,272,843 km (0.103 R)
• M14: 19,750,958 km (0.112 R)
• M15: 20,518,096 km (0.089 R)
• M16: 21,088,513 km (0.117 R)
• M17: 22,485,607 km (0.097 R)
• M18: 24,896,078 km (0.109 R)
• M19: 30,133,649 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.5

Radius: 12.8

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 10.99 AU - 11.43 AU

Year: 13709 Days

Day: 14.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,248,851 km

• M1: 159,322 km (0.117 R)
• M2: 1,031,777 km (0.117 R)
• M3: 1,441,226 km (0.115 R)
• M4: 2,681,691 km (0.072 R)
• M5: 3,436,113 km (0.105 R)
• M6: 3,924,551 km (0.097 R)
• M7: 4,432,735 km (0.091 R)
• M8: 5,129,861 km (0.077 R)
• M9: 6,028,794 km (0.085 R)
• M10: 8,714,824 km (0.115 R)
• M11: 11,803,122 km (0.115 R)
• M12: 12,922,414 km (0.078 R)
• M13: 13,994,881 km (0.096 R)
• M14: 14,882,744 km (0.073 R)
• M15: 16,188,434 km (0.1 R)
• M16: 21,867,768 km (0.034 R)
• M17: 26,021,353 km (0.103 R)
• M18: 30,282,648 km (0.11 R)
• M19: 30,870,717 km (0.054 R)
• M20: 37,289,513 km (0.053 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 169

Radius: 5.5

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 13.96 AU - 14.12 AU

Year: 19215 Days

Day: 15.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 78,248,851 km

• M1: 74,949 km (0.111 R)
• M2: 312,809 km (0.118 R)
• M3: 596,896 km (0.09 R)
• M4: 810,820 km (0.078 R)
• M5: 1,086,829 km (0.087 R)
• M6: 1,397,843 km (0.086 R)
• M7: 1,690,755 km (0.073 R)
• M8: 2,380,551 km (0.091 R)
• M9: 3,196,458 km (0.112 R)
• M10: 4,268,177 km (0.09 R)
• M11: 4,854,750 km (0.119 R)
• M12: 5,328,826 km (0.082 R)
• M13: 5,627,722 km (0.12 R)
• M14: 6,150,866 km (0.049 R)
• M15: 6,859,212 km (0.093 R)
• M16: 7,093,781 km (0.106 R)
• M17: 7,745,579 km (0.117 R)
• M18: 12,751,423 km (0.092 R)
• M19: 13,166,258 km (0.082 R)
• M20: 14,981,180 km (0.119 R)
• M21: 15,711,217 km (0.107 R)
• M22: 16,604,167 km (0.115 R)
• M23: 21,581,737 km (0.039 R)
• M24: 26,310,825 km (0.116 R)
• M25: 29,579,239 km (0.092 R)
• M26: 31,364,091 km (0.088 R)
• M27: 32,010,803 km (0.082 R)
• M28: 36,433,065 km (0.105 R)
• M29: 39,222,916 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148.6

Radius: 3.4

Gravity: 12.85 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 14.47 AU - 15.31 AU

Year: 20986 Days

Day: 18.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 78,248,851 km

• M1: 42,336 km (0.117 R)
• M2: 201,508 km (0.11 R)
• M3: 376,089 km (0.089 R)
• M4: 565,330 km (0.085 R)
• M5: 694,284 km (0.082 R)
• M6: 890,556 km (0.088 R)
• M7: 1,066,633 km (0.06 R)
• M8: 1,228,647 km (0.119 R)
• M9: 1,516,474 km (0.079 R)
• M10: 2,470,459 km (0.102 R)
• M11: 2,949,172 km (0.111 R)
• M12: 3,437,909 km (0.069 R)
• M13: 3,612,190 km (0.048 R)
• M14: 6,985,173 km (0.082 R)
• M15: 9,877,947 km (0.054 R)
• M16: 11,613,133 km (0.053 R)
• M17: 14,038,713 km (0.056 R)
• M18: 19,467,321 km (0.096 R)
• M19: 21,828,424 km (0.085 R)
• M20: 22,083,039 km (0.084 R)
• M21: 22,511,936 km (0.108 R)
• M22: 24,647,596 km (0.112 R)
• M23: 25,388,554 km (0.062 R)
• M24: 28,399,809 km (0.106 R)
• M25: 32,958,655 km (0.051 R)
• M26: 34,084,678 km (0.053 R)
• M27: 34,541,999 km (0.094 R)
• M28: 38,473,431 km (0.043 R)
• M29: 43,491,392 km (0.097 R)
• M30: 43,759,771 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.7

Radius: 4.7

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 15.45 AU - 15.79 AU

Year: 22548 Days

Day: 17.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,248,851 km

• M1: 162,314 km (0.04 R)
• M2: 2,472,254 km (0.101 R)
• M3: 2,841,013 km (0.041 R)
• M4: 4,195,921 km (0.104 R)
• M5: 5,896,550 km (0.07 R)
• M6: 10,167,120 km (0.105 R)
• M7: 12,920,618 km (0.037 R)
• M8: 13,463,958 km (0.082 R)
• M9: 17,701,916 km (0.051 R)
• M10: 17,849,420 km (0.077 R)
• M11: 24,351,691 km (0.076 R)
• M12: 24,809,460 km (0.049 R)
• M13: 25,647,807 km (0.118 R)
• M14: 38,203,407 km (0.07 R)
• M15: 41,489,324 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 449.1

Radius: 7.9

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 13.86 AU - 20.28 AU

Year: 25760 Days

Day: 18.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,248,851 km

• M1: 110,553 km (0.106 R)
• M2: 356,791 km (0.056 R)
• M3: 686,654 km (0.078 R)
• M4: 3,062,717 km (0.067 R)
• M5: 5,563,694 km (0.071 R)
• M6: 6,530,994 km (0.077 R)
• M7: 7,031,549 km (0.117 R)
• M8: 9,014,020 km (0.079 R)
• M9: 12,267,923 km (0.081 R)
• M10: 13,386,317 km (0.077 R)
• M11: 14,343,893 km (0.11 R)
• M12: 15,744,129 km (0.083 R)
• M13: 18,099,996 km (0.053 R)
• M14: 22,464,215 km (0.097 R)
• M15: 25,995,323 km (0.118 R)
• M16: 32,153,519 km (0.083 R)
• M17: 36,617,071 km (0.07 R)
• M18: 37,327,661 km (0.1 R)
• M19: 39,514,183 km (0.11 R)
• M20: 45,107,498 km (0.077 R)
• M21: 50,154,033 km (0.076 R)
• M22: 66,680,259 km (0.06 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 16,994 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit