🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.46 AU - 0.64 AU

Year: 149 Days

Day: 27.4 Hours

Environment

Temp: 234 °C

Axial Tilt: 36.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.88 AU - 0.98 AU

Year: 328 Days

Day: 37.5 Hours

Environment

Temp: 122 °C

Axial Tilt: 17.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.1 AU - 3.86 AU

Year: 2371 Days

Day: 38.8 Hours

Environment

Temp: -114 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.1

Radius: 8.7

Gravity: 13.11 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.78 AU - 6.18 AU

Year: 4686 Days

Day: 13.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,948,928 km

• M1: 108,159 km (0.112 R)
• M2: 401,670 km (0.1 R)
• M3: 771,626 km (0.041 R)
• M4: 1,655,001 km (0.058 R)
• M5: 3,344,560 km (0.116 R)
• M6: 4,015,356 km (0.099 R)
• M7: 4,536,256 km (0.093 R)
• M8: 5,474,384 km (0.057 R)
• M9: 5,927,217 km (0.098 R)
• M10: 8,378,827 km (0.086 R)
• M11: 8,817,448 km (0.059 R)
• M12: 9,104,526 km (0.097 R)
• M13: 9,871,664 km (0.119 R)
• M14: 10,226,062 km (0.048 R)
• M15: 11,582,765 km (0.106 R)
• M16: 13,161,621 km (0.111 R)
• M17: 15,404,542 km (0.091 R)
• M18: 20,417,566 km (0.093 R)
• M19: 20,704,345 km (0.104 R)
• M20: 20,993,668 km (0.089 R)
• M21: 23,879,411 km (0.068 R)
• M22: 26,762,012 km (0.082 R)
• M23: 27,451,957 km (0.09 R)
• M24: 31,270,742 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.5

Radius: 13.1

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 6.42 AU - 7.92 AU

Year: 7012 Days

Day: 11.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,948,928 km

• M1: 162,912 km (0.113 R)
• M2: 618,438 km (0.06 R)
• M3: 1,272,180 km (0.111 R)
• M4: 1,721,273 km (0.081 R)
• M5: 2,329,388 km (0.099 R)
• M6: 2,953,062 km (0.095 R)
• M7: 4,320,237 km (0.112 R)
• M8: 5,206,305 km (0.053 R)
• M9: 6,704,079 km (0.101 R)
• M10: 7,651,482 km (0.116 R)
• M11: 10,192,701 km (0.091 R)
• M12: 12,081,524 km (0.05 R)
• M13: 13,717,526 km (0.112 R)
• M14: 14,991,203 km (0.116 R)
• M15: 15,883,255 km (0.1 R)
• M16: 17,843,436 km (0.088 R)
• M17: 18,845,293 km (0.086 R)
• M18: 22,980,477 km (0.077 R)
• M19: 25,303,582 km (0.112 R)
• M20: 27,873,973 km (0.07 R)
• M21: 28,929,685 km (0.044 R)
• M22: 33,528,473 km (0.104 R)
• M23: 38,240,357 km (0.092 R)
• M24: 38,947,656 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267

Radius: 13.8

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 8.69 AU - 12.75 AU

Year: 12820 Days

Day: 7.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,948,928 km

• M1: 172,038 km (0.1 R)
• M2: 685,457 km (0.109 R)
• M3: 1,196,035 km (0.113 R)
• M4: 2,746,318 km (0.115 R)
• M5: 3,512,109 km (0.112 R)
• M6: 4,471,181 km (0.062 R)
• M7: 5,223,210 km (0.12 R)
• M8: 7,632,783 km (0.03 R)
• M9: 8,283,533 km (0.114 R)
• M10: 12,492,320 km (0.052 R)
• M11: 15,212,458 km (0.108 R)
• M12: 16,778,448 km (0.07 R)
• M13: 20,229,222 km (0.08 R)
• M14: 21,082,080 km (0.117 R)
• M15: 24,127,593 km (0.078 R)
• M16: 25,620,730 km (0.088 R)
• M17: 31,077,910 km (0.027 R)
• M18: 32,633,280 km (0.106 R)
• M19: 34,131,203 km (0.116 R)
• M20: 35,228,952 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 401.2

Radius: 3.4

Gravity: 34.71 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 14.44 AU - 19.06 AU

Year: 25039 Days

Day: 22.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,948,928 km

• M1: 43,234 km (0.051 R)
• M2: 350,657 km (0.073 R)
• M3: 590,313 km (0.111 R)
• M4: 756,516 km (0.079 R)
• M5: 1,613,114 km (0.117 R)
• M6: 1,807,741 km (0.111 R)
• M7: 4,843,680 km (0.1 R)
• M8: 6,338,013 km (0.117 R)
• M9: 7,236,049 km (0.082 R)
• M10: 9,060,694 km (0.116 R)
• M11: 9,617,198 km (0.09 R)
• M12: 11,679,854 km (0.072 R)
• M13: 13,585,731 km (0.095 R)
• M14: 14,019,415 km (0.083 R)
• M15: 17,486,346 km (0.032 R)
• M16: 18,259,617 km (0.042 R)
• M17: 20,059,130 km (0.098 R)
• M18: 22,974,643 km (0.069 R)
• M19: 26,718,479 km (0.059 R)
• M20: 28,557,635 km (0.049 R)
• M21: 29,149,145 km (0.037 R)
• M22: 29,508,030 km (0.069 R)
• M23: 31,975,946 km (0.109 R)
• M24: 37,458,409 km (0.111 R)
• M25: 41,090,945 km (0.11 R)
• M26: 41,541,982 km (0.09 R)
• M27: 43,069,526 km (0.102 R)
• M28: 50,751,826 km (0.056 R)
• M29: 53,383,252 km (0.084 R)
• M30: 54,099,976 km (0.087 R)
• M31: 56,104,138 km (0.116 R)
• M32: 56,659,296 km (0.093 R)
• M33: 57,968,577 km (0.072 R)
• M34: 59,681,622 km (0.094 R)
• M35: 61,624,150 km (0.071 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 12,146 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit