🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.71 AU - 0.93 AU

Year: 262 Days

Day: 41.4 Hours

Environment

Temp: 200 °C

Axial Tilt: 4.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 77,578,941 km

• M1: 142,417 km (0.093 R)
• M2: 493,823 km (0.101 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.93 AU - 1.13 AU

Year: 369 Days

Day: 39.7 Hours

Environment

Temp: 143 °C

Axial Tilt: 6.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 3.96 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.1

Radius: 11.2

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.19 AU - 7.57 AU

Year: 6372 Days

Day: 9.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,578,941 km

• M1: 147,055 km (0.11 R)
• M2: 539,001 km (0.051 R)
• M3: 990,787 km (0.088 R)
• M4: 1,342,042 km (0.064 R)
• M5: 2,149,572 km (0.08 R)
• M6: 3,486,528 km (0.075 R)
• M7: 4,188,890 km (0.085 R)
• M8: 4,625,267 km (0.099 R)
• M9: 8,123,763 km (0.12 R)
• M10: 9,727,003 km (0.106 R)
• M11: 10,176,395 km (0.074 R)
• M12: 12,352,446 km (0.12 R)
• M13: 12,756,809 km (0.088 R)
• M14: 13,979,921 km (0.059 R)
• M15: 15,840,021 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.2

Radius: 13.8

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 8.32 AU - 11.26 AU

Year: 10816 Days

Day: 12.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 77,578,941 km

• M1: 172,187 km (0.052 R)
• M2: 658,530 km (0.077 R)
• M3: 1,627,026 km (0.071 R)
• M4: 2,146,131 km (0.101 R)
• M5: 3,168,184 km (0.044 R)
• M6: 4,223,148 km (0.043 R)
• M7: 4,717,718 km (0.092 R)
• M8: 5,250,885 km (0.109 R)
• M9: 6,689,718 km (0.096 R)
• M10: 8,895,538 km (0.109 R)
• M11: 9,666,117 km (0.078 R)
• M12: 10,981,232 km (0.114 R)
• M13: 11,497,644 km (0.114 R)
• M14: 12,803,184 km (0.073 R)
• M15: 14,510,096 km (0.105 R)
• M16: 15,968,226 km (0.092 R)
• M17: 16,699,311 km (0.115 R)
• M18: 18,085,485 km (0.096 R)
• M19: 19,397,608 km (0.1 R)
• M20: 22,374,606 km (0.103 R)
• M21: 23,290,444 km (0.076 R)
• M22: 23,800,423 km (0.074 R)
• M23: 25,554,308 km (0.093 R)
• M24: 28,537,589 km (0.072 R)
• M25: 33,652,639 km (0.072 R)
• M26: 36,654,171 km (0.049 R)
• M27: 37,460,653 km (0.077 R)
• M28: 39,108,923 km (0.063 R)
• M29: 39,588,683 km (0.12 R)
• M30: 41,051,451 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.2

Radius: 14.4

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 9.11 AU - 12.87 AU

Year: 12865 Days

Day: 8.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,578,941 km

• M1: 179,069 km (0.119 R)
• M2: 637,287 km (0.102 R)
• M3: 1,606,382 km (0.051 R)
• M4: 2,708,769 km (0.082 R)
• M5: 4,039,143 km (0.058 R)
• M6: 5,144,820 km (0.049 R)
• M7: 5,661,681 km (0.068 R)
• M8: 6,251,246 km (0.077 R)
• M9: 7,685,142 km (0.08 R)
• M10: 9,632,607 km (0.031 R)
• M11: 10,971,059 km (0.039 R)
• M12: 11,949,728 km (0.084 R)
• M13: 13,048,824 km (0.057 R)
• M14: 17,507,289 km (0.112 R)
• M15: 18,523,208 km (0.078 R)
• M16: 20,844,818 km (0.082 R)
• M17: 21,807,929 km (0.108 R)
• M18: 22,800,361 km (0.103 R)
• M19: 24,778,643 km (0.078 R)
• M20: 27,176,996 km (0.118 R)
• M21: 30,834,365 km (0.092 R)
• M22: 39,374,309 km (0.097 R)
• M23: 40,981,289 km (0.074 R)
• M24: 47,998,626 km (0.099 R)
• M25: 52,990,109 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 981.2

Radius: 6.9

Gravity: 20.61 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 13.01 AU - 13.67 AU

Year: 17204 Days

Day: 20.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 77,578,941 km

• M1: 92,451 km (0.061 R)
• M2: 363,373 km (0.106 R)
• M3: 763,248 km (0.099 R)
• M4: 1,004,251 km (0.116 R)
• M5: 1,645,277 km (0.102 R)
• M6: 2,220,182 km (0.098 R)
• M7: 2,896,065 km (0.111 R)
• M8: 3,295,641 km (0.055 R)
• M9: 3,671,281 km (0.104 R)
• M10: 4,075,046 km (0.037 R)
• M11: 5,387,767 km (0.112 R)
• M12: 6,161,488 km (0.038 R)
• M13: 10,125,382 km (0.036 R)
• M14: 22,062,395 km (0.115 R)
• M15: 24,667,791 km (0.104 R)
• M16: 25,876,542 km (0.071 R)
• M17: 27,704,478 km (0.086 R)
• M18: 29,130,595 km (0.054 R)
• M19: 29,739,159 km (0.097 R)
• M20: 31,107,531 km (0.098 R)
• M21: 31,487,958 km (0.076 R)
• M22: 33,436,470 km (0.114 R)
• M23: 34,237,866 km (0.099 R)
• M24: 35,052,127 km (0.066 R)
• M25: 36,437,703 km (0.099 R)
• M26: 36,719,097 km (0.093 R)
• M27: 38,148,055 km (0.111 R)
• M28: 41,574,595 km (0.072 R)
• M29: 55,085,227 km (0.103 R)
• M30: 59,061,838 km (0.087 R)
• M31: 72,576,061 km (0.037 R)
• M32: 76,422,371 km (0.059 R)
• M33: 77,346,737 km (0.116 R)

Kuiper Belt

Range: 31.1 - 52.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 15,285 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit