🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.61 AU - 0.73 AU

Year: 245 Days

Day: 35.8 Hours

Environment

Temp: -7 °C

Axial Tilt: 18.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 90,239,829 km

• M1: 14,511 km (0.055 R)
• M2: 33,959 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.9 AU - 1.42 AU

Year: 557 Days

Day: 45.5 Hours

Environment

Temp: -79 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.68 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.77 AU - 2.61 AU

Year: 1446 Days

Day: 20.9 Hours

Environment

Temp: -122 °C

Axial Tilt: 19.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 90,239,829 km

• M1: 36,352 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.5

Radius: 12.8

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.03 AU - 3.07 AU

Year: 1817 Days

Day: 12.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,239,829 km

• M1: 159,172 km (0.077 R)
• M2: 604,824 km (0.103 R)
• M3: 1,166,265 km (0.071 R)
• M4: 1,611,468 km (0.072 R)
• M5: 2,036,775 km (0.113 R)
• M6: 2,512,047 km (0.086 R)
• M7: 3,061,520 km (0.09 R)
• M8: 3,707,185 km (0.086 R)
• M9: 4,254,414 km (0.094 R)
• M10: 4,734,623 km (0.094 R)
• M11: 6,520,672 km (0.083 R)
• M12: 8,215,616 km (0.108 R)
• M13: 10,356,960 km (0.055 R)
• M14: 11,411,026 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.5

Radius: 8

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 5.41 AU - 7.51 AU

Year: 7327 Days

Day: 13.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 90,239,829 km

• M1: 103,671 km (0.091 R)
• M2: 582,833 km (0.052 R)
• M3: 1,083,986 km (0.08 R)
• M4: 1,549,834 km (0.097 R)
• M5: 1,823,299 km (0.062 R)
• M6: 4,118,729 km (0.116 R)
• M7: 8,045,074 km (0.117 R)
• M8: 9,758,269 km (0.032 R)
• M9: 11,390,531 km (0.108 R)
• M10: 13,441,668 km (0.118 R)
• M11: 21,997,918 km (0.099 R)
• M12: 22,690,107 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.9

Radius: 13.2

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.42 AU - 8.98 AU

Year: 8621 Days

Day: 6.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 77.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 90,239,829 km

• M1: 164,707 km (0.039 R)
• M2: 691,142 km (0.111 R)
• M3: 1,166,115 km (0.065 R)
• M4: 1,751,193 km (0.106 R)
• M5: 4,404,161 km (0.064 R)
• M6: 7,511,309 km (0.119 R)
• M7: 8,107,606 km (0.038 R)
• M8: 9,237,220 km (0.085 R)
• M9: 19,078,665 km (0.111 R)
• M10: 19,793,593 km (0.109 R)
• M11: 22,544,848 km (0.074 R)
• M12: 25,230,728 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.9

Radius: 12.3

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 7.87 AU - 8.57 AU

Year: 10516 Days

Day: 5.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 90,239,829 km

• M1: 153,039 km (0.106 R)
• M2: 909,854 km (0.059 R)
• M3: 1,535,024 km (0.088 R)
• M4: 4,033,458 km (0.086 R)
• M5: 4,770,377 km (0.114 R)
• M6: 8,598,886 km (0.046 R)
• M7: 9,667,613 km (0.089 R)
• M8: 10,877,560 km (0.073 R)
• M9: 12,908,950 km (0.077 R)
• M10: 14,440,682 km (0.11 R)
• M11: 19,113,821 km (0.101 R)
• M12: 23,310,490 km (0.079 R)
• M13: 23,956,304 km (0.097 R)
• M14: 25,283,536 km (0.086 R)
• M15: 27,365,789 km (0.059 R)
• M16: 28,084,607 km (0.119 R)
• M17: 30,754,929 km (0.095 R)
• M18: 31,420,190 km (0.065 R)
• M19: 37,092,343 km (0.071 R)
• M20: 39,514,482 km (0.06 R)

Asteroid Belt

Center: 9.94 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 11.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 518.5

Radius: 7.1

Gravity: 10.29 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 9.08 AU - 14.22 AU

Year: 17744 Days

Day: 25 Hours

Environment

Temp: -216 °C

Axial Tilt: 82.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 90,239,829 km

• M1: 95,294 km (0.114 R)
• M2: 407,953 km (0.078 R)
• M3: 1,040,154 km (0.077 R)
• M4: 9,287,335 km (0.098 R)
• M5: 10,044,450 km (0.047 R)
• M6: 11,928,934 km (0.113 R)
• M7: 12,243,239 km (0.07 R)
• M8: 13,488,342 km (0.106 R)
• M9: 18,890,621 km (0.119 R)
• M10: 19,146,283 km (0.098 R)
• M11: 19,490,658 km (0.082 R)
• M12: 20,015,148 km (0.092 R)
• M13: 25,682,962 km (0.074 R)
• M14: 26,846,235 km (0.064 R)
• M15: 29,163,806 km (0.049 R)
• M16: 38,938,979 km (0.064 R)
• M17: 41,468,829 km (0.084 R)
• M18: 47,636,300 km (0.099 R)
• M19: 56,478,582 km (0.115 R)
• M20: 61,004,516 km (0.12 R)
• M21: 62,502,439 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860.3

Radius: 6.9

Gravity: 18.07 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 13.05 AU - 14.69 AU

Year: 23050 Days

Day: 19.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 90,239,829 km

• M1: 86,468 km (0.095 R)
• M2: 552,615 km (0.084 R)
• M3: 1,347,727 km (0.109 R)
• M4: 1,616,106 km (0.1 R)
• M5: 1,880,146 km (0.119 R)
• M6: 2,353,474 km (0.077 R)
• M7: 2,930,622 km (0.117 R)
• M8: 4,257,107 km (0.083 R)
• M9: 6,482,973 km (0.064 R)
• M10: 7,253,702 km (0.072 R)
• M11: 7,506,672 km (0.104 R)
• M12: 8,918,427 km (0.11 R)
• M13: 9,150,303 km (0.05 R)
• M14: 9,626,324 km (0.051 R)
• M15: 13,131,402 km (0.066 R)
• M16: 13,736,824 km (0.067 R)
• M17: 14,203,121 km (0.098 R)
• M18: 15,085,150 km (0.116 R)
• M19: 16,346,111 km (0.032 R)
• M20: 19,656,562 km (0.059 R)
• M21: 21,990,588 km (0.072 R)
• M22: 22,628,623 km (0.102 R)
• M23: 22,843,894 km (0.077 R)
• M24: 28,183,790 km (0.12 R)
• M25: 31,141,340 km (0.098 R)
• M26: 33,875,989 km (0.116 R)
• M27: 42,868,616 km (0.088 R)
• M28: 45,043,620 km (0.118 R)
• M29: 45,727,282 km (0.052 R)
• M30: 48,710,712 km (0.097 R)
• M31: 49,250,312 km (0.089 R)
• M32: 51,263,002 km (0.069 R)
• M33: 55,061,740 km (0.089 R)
• M34: 59,248,087 km (0.119 R)
• M35: 62,576,490 km (0.115 R)
• M36: 68,472,142 km (0.119 R)
• M37: 76,651,705 km (0.096 R)
• M38: 84,678,528 km (0.102 R)
• M39: 84,938,081 km (0.097 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 18,422 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit