🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.46 AU - 0.68 AU

Year: 193 Days

Day: 46.5 Hours

Environment

Temp: -5 °C

Axial Tilt: 13.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 40,915,289 km

• M1: 322,234 km (0.043 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.46 AU - 0.72 AU

Year: 204 Days

Day: 32.2 Hours

Environment

Temp: 15 °C

Axial Tilt: 43.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 40,915,289 km

• M1: 37,250 km (0.09 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.2 AU - 1.3 AU

Year: 628 Days

Day: 34.1 Hours

Environment

Temp: -94 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.99 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.7

Radius: 11.5

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.27 AU - 3.17 AU

Year: 2017 Days

Day: 11.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,915,289 km

• M1: 145,260 km (0.042 R)
• M2: 682,615 km (0.099 R)
• M3: 1,156,392 km (0.056 R)
• M4: 1,737,729 km (0.092 R)
• M5: 2,493,348 km (0.036 R)
• M6: 2,892,475 km (0.08 R)
• M7: 3,878,325 km (0.115 R)
• M8: 4,849,365 km (0.09 R)
• M9: 5,214,683 km (0.104 R)
• M10: 5,822,798 km (0.096 R)
• M11: 6,316,022 km (0.076 R)
• M12: 6,836,922 km (0.07 R)
• M13: 7,934,073 km (0.112 R)
• M14: 9,352,560 km (0.116 R)
• M15: 11,285,663 km (0.037 R)
• M16: 12,430,386 km (0.084 R)
• M17: 15,580,169 km (0.114 R)
• M18: 17,684,862 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 889.6

Radius: 8

Gravity: 13.9 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 8.47 AU - 11.93 AU

Year: 14646 Days

Day: 18.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 40,915,289 km

• M1: 100,979 km (0.043 R)
• M2: 407,505 km (0.117 R)
• M3: 876,793 km (0.115 R)
• M4: 1,562,101 km (0.066 R)
• M5: 2,010,296 km (0.086 R)
• M6: 2,475,994 km (0.089 R)
• M7: 2,864,949 km (0.055 R)
• M8: 3,401,257 km (0.107 R)
• M9: 3,708,082 km (0.078 R)
• M10: 4,673,437 km (0.096 R)
• M11: 5,528,988 km (0.096 R)
• M12: 7,547,362 km (0.065 R)
• M13: 7,974,165 km (0.103 R)
• M14: 10,012,585 km (0.089 R)
• M15: 11,863,111 km (0.108 R)
• M16: 12,703,103 km (0.103 R)
• M17: 16,541,186 km (0.115 R)
• M18: 17,180,717 km (0.083 R)
• M19: 19,024,212 km (0.107 R)
• M20: 22,415,895 km (0.059 R)
• M21: 23,001,421 km (0.093 R)
• M22: 23,497,188 km (0.118 R)
• M23: 24,612,739 km (0.12 R)
• M24: 25,235,964 km (0.097 R)
• M25: 32,926,491 km (0.06 R)
• M26: 34,709,698 km (0.072 R)
• M27: 38,190,541 km (0.119 R)
• M28: 39,730,801 km (0.112 R)
• M29: 45,837,087 km (0.113 R)
• M30: 46,622,027 km (0.098 R)
• M31: 47,097,299 km (0.06 R)
• M32: 48,057,418 km (0.027 R)
• M33: 51,184,163 km (0.116 R)
• M34: 51,689,954 km (0.069 R)
• M35: 57,113,176 km (0.088 R)
• M36: 61,753,851 km (0.105 R)
• M37: 64,068,130 km (0.075 R)
• M38: 66,840,329 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 991.3

Radius: 3

Gravity: 110.14 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 10.39 AU - 13.97 AU

Year: 19111 Days

Day: 24.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 40,915,289 km

• M1: 37,399 km (0.118 R)
• M2: 164,258 km (0.108 R)
• M3: 565,779 km (0.108 R)
• M4: 685,158 km (0.112 R)
• M5: 890,107 km (0.116 R)
• M6: 1,294,919 km (0.109 R)
• M7: 2,158,099 km (0.067 R)
• M8: 3,375,826 km (0.111 R)
• M9: 4,799,997 km (0.062 R)
• M10: 4,950,044 km (0.082 R)
• M11: 5,103,083 km (0.053 R)
• M12: 5,664,075 km (0.088 R)
• M13: 6,045,549 km (0.089 R)
• M14: 8,647,056 km (0.083 R)
• M15: 10,344,992 km (0.059 R)
• M16: 12,252,514 km (0.039 R)
• M17: 12,532,861 km (0.109 R)
• M18: 17,265,240 km (0.1 R)
• M19: 18,980,828 km (0.102 R)
• M20: 28,054,537 km (0.09 R)
• M21: 31,579,063 km (0.102 R)
• M22: 33,994,022 km (0.119 R)
• M23: 42,928,455 km (0.085 R)
• M24: 52,384,238 km (0.103 R)
• M25: 52,752,099 km (0.054 R)
• M26: 53,306,957 km (0.066 R)
• M27: 54,995,020 km (0.1 R)
• M28: 71,592,455 km (0.107 R)
• M29: 81,755,386 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 99.8

Radius: 5.5

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 12.52 AU - 13.14 AU

Year: 20661 Days

Day: 20.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,915,289 km

• M1: 68,366 km (0.12 R)
• M2: 415,134 km (0.095 R)
• M3: 994,227 km (0.067 R)
• M4: 1,536,370 km (0.088 R)
• M5: 1,880,445 km (0.042 R)
• M6: 2,087,489 km (0.065 R)
• M7: 2,662,992 km (0.089 R)
• M8: 3,051,647 km (0.079 R)
• M9: 4,501,550 km (0.038 R)
• M10: 5,052,668 km (0.106 R)
• M11: 7,089,144 km (0.079 R)
• M12: 7,672,875 km (0.095 R)
• M13: 16,089,550 km (0.074 R)
• M14: 21,456,075 km (0.118 R)
• M15: 23,255,737 km (0.091 R)
• M16: 25,509,279 km (0.102 R)
• M17: 29,647,755 km (0.119 R)
• M18: 38,044,384 km (0.051 R)
• M19: 39,223,664 km (0.111 R)
• M20: 40,792,796 km (0.094 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 17,902 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit