🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.48 AU - 0.64 AU

Year: 156 Days

Day: 43.1 Hours

Environment

Temp: 234 °C

Axial Tilt: 25.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.91 AU - 1.23 AU

Year: 413 Days

Day: 39.1 Hours

Environment

Temp: -2 °C

Axial Tilt: 23.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.22 AU - 1.32 AU

Year: 534 Days

Day: 12.5 Hours

Environment

Temp: 0 °C

Axial Tilt: 29.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.2

Radius: 9.8

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.71 AU - 5.81 AU

Year: 3871 Days

Day: 13.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 91,121,613 km

• M1: 121,922 km (0.116 R)
• M2: 436,377 km (0.118 R)
• M3: 758,910 km (0.101 R)
• M4: 1,076,506 km (0.119 R)
• M5: 1,597,107 km (0.099 R)
• M6: 2,294,083 km (0.094 R)
• M7: 4,517,407 km (0.098 R)
• M8: 4,934,635 km (0.106 R)
• M9: 5,431,300 km (0.112 R)
• M10: 6,283,111 km (0.042 R)
• M11: 6,678,797 km (0.084 R)
• M12: 6,994,448 km (0.063 R)
• M13: 7,386,544 km (0.052 R)
• M14: 7,827,709 km (0.046 R)
• M15: 9,296,460 km (0.091 R)
• M16: 10,386,730 km (0.116 R)
• M17: 10,768,354 km (0.043 R)
• M18: 11,470,118 km (0.049 R)
• M19: 12,155,425 km (0.088 R)
• M20: 12,627,257 km (0.057 R)
• M21: 13,111,356 km (0.119 R)
• M22: 14,116,504 km (0.081 R)
• M23: 15,064,356 km (0.116 R)
• M24: 16,564,972 km (0.04 R)
• M25: 17,321,937 km (0.086 R)
• M26: 17,679,028 km (0.097 R)
• M27: 22,780,016 km (0.104 R)
• M28: 23,208,913 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.8

Radius: 10.9

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 7.88 AU - 12.22 AU

Year: 11877 Days

Day: 7.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 91,121,613 km

• M1: 135,685 km (0.074 R)
• M2: 531,521 km (0.092 R)
• M3: 1,656,796 km (0.071 R)
• M4: 2,888,884 km (0.114 R)
• M5: 3,480,095 km (0.084 R)
• M6: 5,621,888 km (0.09 R)
• M7: 6,934,908 km (0.099 R)
• M8: 12,359,028 km (0.108 R)
• M9: 13,401,576 km (0.059 R)
• M10: 17,615,748 km (0.104 R)
• M11: 20,096,080 km (0.098 R)
• M12: 24,030,355 km (0.12 R)
• M13: 24,789,414 km (0.033 R)
• M14: 26,533,127 km (0.072 R)
• M15: 27,435,053 km (0.102 R)
• M16: 28,826,014 km (0.09 R)
• M17: 31,148,521 km (0.113 R)
• M18: 36,272,846 km (0.117 R)
• M19: 36,936,612 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.4

Radius: 8.6

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 10.37 AU - 12.23 AU

Year: 14160 Days

Day: 8.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 91,121,613 km

• M1: 107,710 km (0.046 R)
• M2: 746,493 km (0.081 R)
• M3: 1,832,873 km (0.047 R)
• M4: 2,379,055 km (0.11 R)
• M5: 3,983,492 km (0.06 R)
• M6: 5,190,448 km (0.087 R)
• M7: 6,169,715 km (0.106 R)
• M8: 6,861,157 km (0.085 R)
• M9: 7,476,004 km (0.111 R)
• M10: 8,127,204 km (0.116 R)
• M11: 8,581,981 km (0.104 R)
• M12: 9,393,849 km (0.106 R)
• M13: 17,825,633 km (0.041 R)
• M14: 18,130,364 km (0.109 R)
• M15: 22,679,187 km (0.075 R)
• M16: 36,702,940 km (0.116 R)
• M17: 45,704,992 km (0.091 R)
• M18: 48,608,537 km (0.116 R)
• M19: 49,353,235 km (0.083 R)
• M20: 49,653,179 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 745.7

Radius: 6

Gravity: 20.71 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 16.05 AU - 17.07 AU

Year: 25121 Days

Day: 23.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 91,121,613 km

• M1: 74,649 km (0.084 R)
• M2: 413,638 km (0.091 R)
• M3: 614,548 km (0.066 R)
• M4: 858,991 km (0.042 R)
• M5: 1,364,931 km (0.083 R)
• M6: 2,318,169 km (0.047 R)
• M7: 2,557,525 km (0.043 R)
• M8: 4,575,152 km (0.115 R)
• M9: 4,837,546 km (0.091 R)
• M10: 5,728,551 km (0.106 R)
• M11: 8,594,547 km (0.117 R)
• M12: 10,018,420 km (0.045 R)
• M13: 11,455,457 km (0.105 R)
• M14: 12,656,279 km (0.045 R)
• M15: 15,057,923 km (0.061 R)
• M16: 19,839,221 km (0.068 R)
• M17: 23,386,934 km (0.105 R)
• M18: 27,580,911 km (0.075 R)
• M19: 37,570,608 km (0.05 R)
• M20: 38,638,886 km (0.055 R)
• M21: 42,784,542 km (0.062 R)
• M22: 44,454,802 km (0.105 R)
• M23: 45,306,164 km (0.031 R)
• M24: 52,134,110 km (0.118 R)
• M25: 57,381,704 km (0.04 R)
• M26: 63,613,054 km (0.075 R)
• M27: 65,347,791 km (0.098 R)
• M28: 68,911,362 km (0.09 R)
• M29: 72,367,970 km (0.094 R)
• M30: 79,375,134 km (0.066 R)
• M31: 83,170,731 km (0.072 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 17,795 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit