🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.9 AU - 2.84 AU

Year: 1307 Days

Day: 36.4 Hours

Environment

Temp: -66 °C

Axial Tilt: 14.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.2 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.25 AU - 4.79 AU

Year: 2887 Days

Day: 34.8 Hours

Environment

Temp: -122 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.04 AU - 6.22 AU

Year: 4161 Days

Day: 21 Hours

Environment

Temp: -141 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.5

Radius: 9.9

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.23 AU - 6.47 AU

Year: 4432 Days

Day: 14.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,316,490 km

• M1: 123,418 km (0.117 R)
• M2: 538,403 km (0.057 R)
• M3: 952,340 km (0.104 R)
• M4: 1,577,210 km (0.103 R)
• M5: 1,893,311 km (0.078 R)
• M6: 2,221,828 km (0.04 R)
• M7: 2,885,444 km (0.045 R)
• M8: 4,705,751 km (0.109 R)
• M9: 5,233,083 km (0.059 R)
• M10: 5,682,924 km (0.094 R)
• M11: 6,692,410 km (0.032 R)
• M12: 7,603,910 km (0.103 R)
• M13: 8,906,010 km (0.063 R)
• M14: 9,223,457 km (0.117 R)
• M15: 9,797,165 km (0.109 R)
• M16: 10,569,538 km (0.104 R)
• M17: 11,106,744 km (0.086 R)
• M18: 11,521,430 km (0.061 R)
• M19: 13,284,740 km (0.092 R)
• M20: 17,216,022 km (0.074 R)
• M21: 18,022,953 km (0.117 R)
• M22: 18,854,867 km (0.109 R)
• M23: 19,181,589 km (0.106 R)
• M24: 19,512,050 km (0.119 R)
• M25: 21,646,662 km (0.09 R)
• M26: 27,279,920 km (0.111 R)
• M27: 27,614,121 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.7

Radius: 9.9

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.62 AU - 7.42 AU

Year: 5290 Days

Day: 10.1 Hours

Environment

Temp: -136 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 71,316,490 km

• M1: 251,624 km (0.035 R)
• M2: 668,254 km (0.096 R)
• M3: 1,165,068 km (0.104 R)
• M4: 4,358,833 km (0.039 R)
• M5: 6,942,538 km (0.088 R)
• M6: 10,089,928 km (0.042 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203

Radius: 7.2

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 14.45 AU - 16.11 AU

Year: 21392 Days

Day: 16.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,316,490 km

• M1: 89,609 km (0.117 R)
• M2: 661,223 km (0.089 R)
• M3: 1,155,494 km (0.111 R)
• M4: 1,548,488 km (0.096 R)
• M5: 2,860,461 km (0.099 R)
• M6: 3,713,468 km (0.062 R)
• M7: 8,064,821 km (0.09 R)
• M8: 16,020,137 km (0.11 R)
• M9: 19,531,797 km (0.08 R)
• M10: 48,132,965 km (0.095 R)
• M11: 50,554,805 km (0.104 R)
• M12: 51,172,794 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 640.2

Radius: 6.8

Gravity: 13.85 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 12.82 AU - 19.24 AU

Year: 22987 Days

Day: 23.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,316,490 km

• M1: 86,318 km (0.076 R)
• M2: 652,696 km (0.113 R)
• M3: 1,420,731 km (0.117 R)
• M4: 1,780,364 km (0.054 R)
• M5: 2,330,436 km (0.113 R)
• M6: 3,732,616 km (0.088 R)
• M7: 4,419,121 km (0.053 R)
• M8: 6,388,427 km (0.043 R)
• M9: 10,774,188 km (0.109 R)
• M10: 13,503,452 km (0.099 R)
• M11: 18,683,876 km (0.071 R)
• M12: 18,959,286 km (0.11 R)
• M13: 24,172,323 km (0.094 R)
• M14: 25,385,711 km (0.047 R)
• M15: 25,723,503 km (0.057 R)
• M16: 29,022,885 km (0.119 R)
• M17: 38,631,257 km (0.074 R)
• M18: 42,462,757 km (0.118 R)
• M19: 56,604,842 km (0.11 R)
• M20: 64,411,158 km (0.104 R)
• M21: 65,884,099 km (0.061 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 851.3

Radius: 3.2

Gravity: 83.13 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 14.13 AU - 23.05 AU

Year: 28707 Days

Day: 18.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 71,316,490 km

• M1: 78,688 km (0.116 R)
• M2: 307,424 km (0.036 R)
• M3: 434,881 km (0.07 R)
• M4: 550,969 km (0.11 R)
• M5: 884,722 km (0.108 R)
• M6: 1,017,266 km (0.086 R)
• M7: 1,225,057 km (0.073 R)
• M8: 1,588,879 km (0.049 R)
• M9: 1,806,095 km (0.094 R)
• M10: 2,373,221 km (0.088 R)
• M11: 3,050,600 km (0.097 R)
• M12: 3,546,218 km (0.093 R)
• M13: 4,387,406 km (0.108 R)
• M14: 4,734,473 km (0.096 R)
• M15: 6,164,779 km (0.099 R)
• M16: 6,550,592 km (0.067 R)
• M17: 8,903,616 km (0.065 R)
• M18: 9,712,642 km (0.026 R)
• M19: 9,841,296 km (0.086 R)
• M20: 10,102,045 km (0.102 R)
• M21: 10,912,117 km (0.102 R)
• M22: 11,121,255 km (0.035 R)
• M23: 13,680,875 km (0.041 R)
• M24: 16,243,187 km (0.109 R)
• M25: 18,907,076 km (0.062 R)
• M26: 19,411,521 km (0.107 R)
• M27: 19,615,722 km (0.077 R)
• M28: 21,410,298 km (0.119 R)
• M29: 30,227,746 km (0.119 R)
• M30: 31,616,612 km (0.058 R)
• M31: 32,183,738 km (0.061 R)
• M32: 36,656,116 km (0.096 R)
• M33: 39,528,694 km (0.116 R)
• M34: 43,937,643 km (0.097 R)
• M35: 58,680,662 km (0.085 R)
• M36: 62,154,774 km (0.06 R)
• M37: 63,942,169 km (0.109 R)
• M38: 67,385,164 km (0.091 R)
• M39: 67,619,135 km (0.118 R)
• M40: 68,088,424 km (0.097 R)
• M41: 71,921,271 km (0.04 R)
• M42: 75,390,745 km (0.079 R)
• M43: 82,661,201 km (0.094 R)
• M44: 85,915,104 km (0.117 R)
• M45: 90,384,939 km (0.104 R)
• M46: 91,526,221 km (0.102 R)
• M47: 96,780,547 km (0.043 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.4

Radius: 6.4

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 17.09 AU - 21.79 AU

Year: 30699 Days

Day: 23.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,316,490 km

• M1: 79,586 km (0.093 R)
• M2: 339,737 km (0.098 R)
• M3: 599,738 km (0.051 R)
• M4: 1,233,285 km (0.093 R)
• M5: 2,264,014 km (0.067 R)
• M6: 3,320,774 km (0.047 R)
• M7: 5,743,361 km (0.059 R)
• M8: 17,977,176 km (0.078 R)
• M9: 25,468,439 km (0.111 R)
• M10: 33,625,861 km (0.087 R)
• M11: 45,707,086 km (0.072 R)
• M12: 65,903,248 km (0.085 R)

Kuiper Belt

Range: 30.6 - 47.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 17,008 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit