🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.65 AU - 0.73 AU

Year: 262 Days

Day: 13.5 Hours

Environment

Temp: -35 °C

Axial Tilt: 24.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.62 AU - 0.92 AU

Year: 308 Days

Day: 15.8 Hours

Environment

Temp: -45 °C

Axial Tilt: 49.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.82 AU - 1.08 AU

Year: 423 Days

Day: 42.1 Hours

Environment

Temp: -78 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.64 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.4

Radius: 9.4

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.05 AU - 2.61 AU

Year: 1624 Days

Day: 7.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 155.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,511,440 km

• M1: 116,986 km (0.115 R)
• M2: 435,479 km (0.062 R)
• M3: 830,717 km (0.12 R)
• M4: 1,147,116 km (0.098 R)
• M5: 1,717,832 km (0.12 R)
• M6: 2,304,705 km (0.052 R)
• M7: 2,889,034 km (0.116 R)
• M8: 3,232,062 km (0.047 R)
• M9: 4,313,954 km (0.111 R)
• M10: 7,922,105 km (0.104 R)
• M11: 9,667,762 km (0.081 R)
• M12: 10,823,556 km (0.08 R)
• M13: 11,805,067 km (0.042 R)
• M14: 12,107,105 km (0.076 R)
• M15: 12,608,707 km (0.113 R)
• M16: 13,083,979 km (0.088 R)
• M17: 14,197,287 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.8

Radius: 14.7

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.94 AU - 3.08 AU

Year: 2384 Days

Day: 12.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,511,440 km

• M1: 182,809 km (0.094 R)
• M2: 659,727 km (0.099 R)
• M3: 1,437,486 km (0.101 R)
• M4: 1,974,393 km (0.083 R)
• M5: 2,546,455 km (0.027 R)
• M6: 3,258,092 km (0.054 R)
• M7: 4,221,502 km (0.098 R)
• M8: 5,492,785 km (0.063 R)
• M9: 6,426,425 km (0.062 R)
• M10: 7,081,066 km (0.108 R)
• M11: 7,594,336 km (0.1 R)
• M12: 8,439,414 km (0.09 R)
• M13: 9,683,321 km (0.07 R)
• M14: 11,738,795 km (0.095 R)
• M15: 12,386,704 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.6

Radius: 12.9

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.07 AU - 3.91 AU

Year: 2977 Days

Day: 10.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,511,440 km

• M1: 160,369 km (0.116 R)
• M2: 629,807 km (0.069 R)
• M3: 1,393,355 km (0.105 R)
• M4: 2,168,720 km (0.094 R)
• M5: 2,689,620 km (0.069 R)
• M6: 4,378,879 km (0.047 R)
• M7: 5,132,553 km (0.078 R)
• M8: 5,620,542 km (0.057 R)
• M9: 6,613,273 km (0.089 R)
• M10: 7,578,329 km (0.113 R)
• M11: 13,197,973 km (0.058 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.6

Radius: 9.5

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.94 AU - 6.3 AU

Year: 5289 Days

Day: 6.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,511,440 km

• M1: 125,812 km (0.059 R)
• M2: 427,700 km (0.113 R)
• M3: 742,604 km (0.098 R)
• M4: 1,250,489 km (0.087 R)
• M5: 1,725,611 km (0.079 R)
• M6: 2,180,539 km (0.108 R)
• M7: 2,714,154 km (0.072 R)
• M8: 3,413,674 km (0.112 R)
• M9: 5,249,988 km (0.107 R)
• M10: 7,490,216 km (0.119 R)
• M11: 8,781,993 km (0.065 R)
• M12: 9,257,415 km (0.066 R)
• M13: 10,002,562 km (0.089 R)
• M14: 10,433,404 km (0.065 R)
• M15: 12,577,441 km (0.106 R)
• M16: 13,130,804 km (0.073 R)
• M17: 14,503,214 km (0.096 R)
• M18: 14,944,079 km (0.084 R)
• M19: 17,222,754 km (0.117 R)
• M20: 18,348,777 km (0.105 R)
• M21: 28,577,831 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.4

Radius: 14.9

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.24 AU - 6.84 AU

Year: 5953 Days

Day: 10.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,511,440 km

• M1: 185,352 km (0.11 R)
• M2: 651,050 km (0.096 R)
• M3: 1,179,430 km (0.035 R)
• M4: 1,708,707 km (0.049 R)
• M5: 2,301,563 km (0.118 R)
• M6: 3,411,729 km (0.104 R)
• M7: 5,468,700 km (0.09 R)
• M8: 6,649,476 km (0.082 R)
• M9: 7,408,685 km (0.055 R)
• M10: 8,490,577 km (0.109 R)
• M11: 12,604,817 km (0.065 R)
• M12: 14,272,235 km (0.093 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.7

Radius: 11.8

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 6.19 AU - 9.21 AU

Year: 9755 Days

Day: 12.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,511,440 km

• M1: 147,952 km (0.048 R)
• M2: 3,008,862 km (0.097 R)
• M3: 3,640,913 km (0.116 R)
• M4: 5,304,740 km (0.041 R)
• M5: 7,300,825 km (0.081 R)
• M6: 10,168,466 km (0.104 R)
• M7: 11,650,233 km (0.068 R)
• M8: 16,444,097 km (0.073 R)
• M9: 19,679,450 km (0.089 R)
• M10: 20,173,871 km (0.098 R)
• M11: 21,187,846 km (0.06 R)
• M12: 26,472,540 km (0.119 R)
• M13: 28,727,878 km (0.073 R)
• M14: 30,556,113 km (0.092 R)
• M15: 42,770,779 km (0.11 R)
• M16: 43,461,921 km (0.089 R)
• M17: 46,883,823 km (0.094 R)
• M18: 51,408,560 km (0.032 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 392

Radius: 7.7

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 11.37 AU - 11.65 AU

Year: 17828 Days

Day: 23.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,511,440 km

• M1: 95,743 km (0.114 R)
• M2: 430,842 km (0.039 R)
• M3: 676,332 km (0.051 R)
• M4: 1,134,401 km (0.101 R)
• M5: 2,233,496 km (0.085 R)
• M6: 3,641,511 km (0.111 R)
• M7: 4,210,881 km (0.112 R)
• M8: 5,038,007 km (0.114 R)
• M9: 7,138,062 km (0.035 R)
• M10: 8,309,414 km (0.117 R)
• M11: 8,792,465 km (0.077 R)
• M12: 9,814,668 km (0.095 R)
• M13: 10,970,909 km (0.058 R)
• M14: 12,338,832 km (0.082 R)
• M15: 13,225,050 km (0.105 R)
• M16: 15,194,805 km (0.065 R)
• M17: 16,064,268 km (0.114 R)
• M18: 17,274,665 km (0.081 R)
• M19: 18,789,493 km (0.071 R)
• M20: 20,564,770 km (0.052 R)
• M21: 21,448,146 km (0.079 R)
• M22: 21,990,289 km (0.033 R)
• M23: 24,739,897 km (0.08 R)
• M24: 25,637,784 km (0.097 R)
• M25: 27,287,400 km (0.116 R)
• M26: 30,342,338 km (0.084 R)
• M27: 33,982,353 km (0.113 R)
• M28: 38,297,952 km (0.106 R)
• M29: 38,962,017 km (0.071 R)
• M30: 48,769,953 km (0.104 R)
• M31: 54,572,705 km (0.118 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: 390 - 13,793 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit