🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.9

Radius: 12.7

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.49 AU - 0.55 AU

Year: 254 Days

Day: 9.3 Hours

Environment

Temp: -134 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,083,280 km

• M1: 157,975 km (0.085 R)
• M2: 567,574 km (0.1 R)
• M3: 1,006,794 km (0.071 R)
• M4: 1,401,732 km (0.067 R)
• M5: 1,834,369 km (0.115 R)
• M6: 2,292,737 km (0.074 R)
• M7: 2,818,573 km (0.115 R)
• M8: 3,340,072 km (0.095 R)
• M9: 3,776,000 km (0.04 R)
• M10: 4,188,441 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.4

Radius: 9.9

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.71 AU - 1.09 AU

Year: 579 Days

Day: 13 Hours

Environment

Temp: -168 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,083,280 km

• M1: 123,269 km (0.119 R)
• M2: 460,013 km (0.086 R)
• M3: 1,108,819 km (0.112 R)
• M4: 2,267,455 km (0.064 R)
• M5: 2,759,183 km (0.105 R)
• M6: 3,114,927 km (0.046 R)
• M7: 3,594,089 km (0.097 R)
• M8: 4,589,064 km (0.112 R)
• M9: 5,032,024 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.5

Radius: 14.2

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.95 AU - 1.55 AU

Year: 948 Days

Day: 5.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,083,280 km

• M1: 176,525 km (0.079 R)
• M2: 839,992 km (0.034 R)
• M3: 1,340,696 km (0.058 R)
• M4: 1,985,014 km (0.119 R)
• M5: 2,988,816 km (0.099 R)
• M6: 5,589,276 km (0.099 R)
• M7: 6,903,792 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.6

Radius: 11.6

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.35 AU - 1.87 AU

Year: 1386 Days

Day: 14.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,083,280 km

• M1: 144,362 km (0.064 R)
• M2: 542,292 km (0.107 R)
• M3: 1,000,660 km (0.073 R)
• M4: 2,077,316 km (0.113 R)
• M5: 2,619,608 km (0.102 R)
• M6: 3,013,948 km (0.107 R)
• M7: 3,478,450 km (0.111 R)
• M8: 3,907,347 km (0.112 R)
• M9: 5,267,790 km (0.106 R)
• M10: 6,168,818 km (0.11 R)
• M11: 6,897,509 km (0.12 R)
• M12: 7,397,615 km (0.116 R)
• M13: 8,165,650 km (0.051 R)
• M14: 8,611,751 km (0.119 R)
• M15: 9,074,008 km (0.094 R)
• M16: 10,890,426 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.3

Radius: 12

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.84 AU - 1.96 AU

Year: 1776 Days

Day: 7.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,083,280 km

• M1: 149,598 km (0.039 R)
• M2: 531,521 km (0.05 R)
• M3: 1,156,990 km (0.061 R)
• M4: 1,544,000 km (0.109 R)
• M5: 2,065,049 km (0.086 R)
• M6: 2,758,435 km (0.075 R)
• M7: 3,335,135 km (0.117 R)
• M8: 3,739,947 km (0.109 R)
• M9: 4,177,670 km (0.09 R)
• M10: 4,568,569 km (0.027 R)
• M11: 5,538,712 km (0.08 R)
• M12: 6,563,607 km (0.053 R)
• M13: 7,398,063 km (0.093 R)
• M14: 8,241,496 km (0.076 R)
• M15: 8,765,089 km (0.053 R)
• M16: 10,505,810 km (0.114 R)
• M17: 11,916,218 km (0.093 R)
• M18: 14,974,148 km (0.113 R)
• M19: 15,476,349 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.8

Radius: 14

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.66 AU - 2.48 AU

Year: 2020 Days

Day: 6.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,083,280 km

• M1: 175,329 km (0.066 R)
• M2: 665,711 km (0.082 R)
• M3: 1,194,689 km (0.104 R)
• M4: 1,794,726 km (0.101 R)
• M5: 2,230,504 km (0.073 R)
• M6: 3,091,889 km (0.058 R)
• M7: 3,782,732 km (0.107 R)
• M8: 5,101,287 km (0.085 R)
• M9: 6,251,246 km (0.049 R)
• M10: 7,243,828 km (0.1 R)
• M11: 7,747,823 km (0.098 R)
• M12: 8,596,791 km (0.095 R)
• M13: 9,647,118 km (0.059 R)
• M14: 10,705,523 km (0.073 R)
• M15: 13,314,061 km (0.082 R)
• M16: 13,891,658 km (0.119 R)
• M17: 14,672,410 km (0.076 R)
• M18: 15,145,139 km (0.12 R)
• M19: 16,472,521 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.5

Radius: 12.4

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.14 AU - 3.74 AU

Year: 4327 Days

Day: 6 Hours

Environment

Temp: -216 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,083,280 km

• M1: 154,235 km (0.051 R)
• M2: 565,929 km (0.109 R)
• M3: 1,158,187 km (0.095 R)
• M4: 2,074,922 km (0.089 R)
• M5: 2,462,082 km (0.077 R)
• M6: 4,066,968 km (0.074 R)
• M7: 4,997,466 km (0.098 R)
• M8: 5,644,178 km (0.054 R)
• M9: 6,474,147 km (0.11 R)
• M10: 7,454,312 km (0.059 R)
• M11: 8,453,626 km (0.098 R)
• M12: 12,435,024 km (0.077 R)
• M13: 13,412,347 km (0.075 R)
• M14: 14,944,827 km (0.108 R)
• M15: 16,288,665 km (0.041 R)
• M16: 18,095,957 km (0.114 R)
• M17: 25,273,812 km (0.118 R)
• M18: 29,712,231 km (0.081 R)
• M19: 30,346,975 km (0.078 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 15,657 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit