🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.91 AU - 1.03 AU

Year: 339 Days

Day: 24.4 Hours

Environment

Temp: 152 °C

Axial Tilt: 8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.46 AU - 1.6 AU

Year: 671 Days

Day: 19.6 Hours

Environment

Temp: -18 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.82 AU - 2.64 AU

Year: 1181 Days

Day: 26.6 Hours

Environment

Temp: -57 °C

Axial Tilt: 1.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.57 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 10.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.1

Radius: 8

Gravity: 10.95 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 10.89 AU - 10.93 AU

Year: 12784 Days

Day: 9.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,438,550 km

• M1: 99,483 km (0.091 R)
• M2: 378,483 km (0.103 R)
• M3: 790,625 km (0.107 R)
• M4: 2,493,348 km (0.11 R)
• M5: 3,789,464 km (0.096 R)
• M6: 5,004,198 km (0.104 R)
• M7: 5,959,082 km (0.096 R)
• M8: 7,199,547 km (0.072 R)
• M9: 8,846,320 km (0.073 R)
• M10: 13,055,705 km (0.092 R)
• M11: 13,311,817 km (0.082 R)
• M12: 14,989,407 km (0.097 R)
• M13: 16,134,280 km (0.099 R)
• M14: 18,678,042 km (0.058 R)
• M15: 19,167,526 km (0.104 R)
• M16: 22,378,046 km (0.1 R)
• M17: 27,998,139 km (0.063 R)
• M18: 33,286,723 km (0.114 R)
• M19: 34,370,260 km (0.118 R)
• M20: 39,738,580 km (0.116 R)
• M21: 40,957,503 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 12.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.9

Radius: 13.8

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 10.49 AU - 13.71 AU

Year: 14932 Days

Day: 13.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,438,550 km

• M1: 172,337 km (0.108 R)
• M2: 1,603,839 km (0.094 R)
• M3: 2,173,059 km (0.1 R)
• M4: 2,795,535 km (0.094 R)
• M5: 3,511,511 km (0.103 R)
• M6: 4,054,850 km (0.069 R)
• M7: 4,484,944 km (0.044 R)
• M8: 6,134,261 km (0.101 R)
• M9: 9,484,206 km (0.041 R)
• M10: 10,101,746 km (0.097 R)
• M11: 10,544,855 km (0.09 R)
• M12: 19,452,959 km (0.1 R)
• M13: 21,322,633 km (0.053 R)
• M14: 21,808,228 km (0.111 R)
• M15: 29,207,339 km (0.056 R)
• M16: 30,008,286 km (0.12 R)
• M17: 33,685,850 km (0.093 R)
• M18: 35,237,479 km (0.115 R)
• M19: 37,301,930 km (0.071 R)
• M20: 42,049,418 km (0.074 R)
• M21: 42,558,051 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 238.3

Radius: 6.1

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 14.47 AU - 14.79 AU

Year: 19852 Days

Day: 20.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,438,550 km

• M1: 75,846 km (0.097 R)
• M2: 277,803 km (0.065 R)
• M3: 774,767 km (0.073 R)
• M4: 1,918,144 km (0.095 R)
• M5: 2,414,809 km (0.091 R)
• M6: 2,661,496 km (0.046 R)
• M7: 3,205,882 km (0.069 R)
• M8: 3,931,582 km (0.093 R)
• M9: 4,452,781 km (0.033 R)
• M10: 6,564,355 km (0.113 R)
• M11: 12,748,581 km (0.115 R)
• M12: 14,881,697 km (0.111 R)
• M13: 16,795,353 km (0.094 R)
• M14: 17,017,506 km (0.116 R)
• M15: 21,189,192 km (0.081 R)
• M16: 25,699,568 km (0.041 R)
• M17: 30,151,301 km (0.116 R)
• M18: 38,069,217 km (0.1 R)
• M19: 47,414,896 km (0.054 R)
• M20: 51,983,315 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.4

Radius: 4.3

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 11.43 AU - 17.83 AU

Year: 19852 Days

Day: 24.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 46,438,550 km

• M1: 53,556 km (0.115 R)
• M2: 219,460 km (0.078 R)
• M3: 460,761 km (0.111 R)
• M4: 690,843 km (0.118 R)
• M5: 963,560 km (0.099 R)
• M6: 1,102,536 km (0.109 R)
• M7: 1,330,075 km (0.035 R)
• M8: 2,429,170 km (0.073 R)
• M9: 2,751,703 km (0.112 R)
• M10: 3,194,513 km (0.051 R)
• M11: 3,384,353 km (0.074 R)
• M12: 3,708,830 km (0.063 R)
• M13: 4,625,865 km (0.034 R)
• M14: 4,993,876 km (0.048 R)
• M15: 5,650,312 km (0.093 R)
• M16: 7,092,734 km (0.117 R)
• M17: 7,581,770 km (0.086 R)
• M18: 8,136,628 km (0.098 R)
• M19: 9,568,130 km (0.046 R)
• M20: 10,472,150 km (0.083 R)
• M21: 15,052,089 km (0.105 R)
• M22: 15,317,625 km (0.076 R)
• M23: 16,691,981 km (0.068 R)
• M24: 18,674,901 km (0.076 R)
• M25: 22,751,293 km (0.111 R)
• M26: 25,555,355 km (0.115 R)
• M27: 26,603,289 km (0.11 R)
• M28: 28,278,635 km (0.098 R)
• M29: 33,161,958 km (0.096 R)
• M30: 36,037,678 km (0.092 R)
• M31: 38,454,731 km (0.097 R)
• M32: 40,848,895 km (0.066 R)
• M33: 45,240,042 km (0.067 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.9

Radius: 5.2

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 13.24 AU - 19.24 AU

Year: 23218 Days

Day: 24.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,438,550 km

• M1: 64,925 km (0.111 R)
• M2: 269,725 km (0.037 R)
• M3: 444,306 km (0.112 R)
• M4: 722,558 km (0.07 R)
• M5: 1,849,927 km (0.092 R)
• M6: 2,677,652 km (0.07 R)
• M7: 4,199,511 km (0.088 R)
• M8: 6,963,182 km (0.041 R)
• M9: 18,055,865 km (0.113 R)
• M10: 18,835,718 km (0.113 R)
• M11: 26,392,954 km (0.076 R)
• M12: 36,850,593 km (0.085 R)
• M13: 37,976,616 km (0.078 R)
• M14: 38,996,575 km (0.12 R)
• M15: 42,847,224 km (0.118 R)
• M16: 45,788,767 km (0.049 R)
• M17: 49,161,750 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 108.2

Radius: 5.9

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 15.8 AU - 17.4 AU

Year: 23994 Days

Day: 22.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,438,550 km

• M1: 97,089 km (0.109 R)
• M2: 444,306 km (0.093 R)
• M3: 965,804 km (0.074 R)
• M4: 3,657,818 km (0.042 R)
• M5: 7,054,587 km (0.108 R)
• M6: 20,668,591 km (0.045 R)
• M7: 22,587,782 km (0.092 R)
• M8: 30,290,278 km (0.1 R)
• M9: 31,240,972 km (0.112 R)
• M10: 32,320,620 km (0.116 R)
• M11: 41,738,554 km (0.107 R)
• M12: 44,789,303 km (0.063 R)
• M13: 45,197,855 km (0.087 R)

Kuiper Belt

Range: 30.9 - 49.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 181 - 18,433 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit