🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.5

Radius: 10.8

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.78 AU - 0.96 AU

Year: 516 Days

Day: 7.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 55,078,788 km

• M1: 150,944 km (0.077 R)
• M2: 649,404 km (0.065 R)
• M3: 1,239,718 km (0.055 R)
• M4: 1,644,230 km (0.108 R)
• M5: 1,990,549 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.7

Radius: 11

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.68 AU - 1.08 AU

Year: 525 Days

Day: 5.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,078,788 km

• M1: 136,732 km (0.101 R)
• M2: 677,080 km (0.095 R)
• M3: 1,110,315 km (0.081 R)
• M4: 1,471,445 km (0.037 R)
• M5: 1,976,487 km (0.08 R)
• M6: 2,348,088 km (0.1 R)
• M7: 3,032,498 km (0.061 R)
• M8: 3,446,137 km (0.119 R)
• M9: 3,897,473 km (0.11 R)
• M10: 4,247,682 km (0.115 R)
• M11: 4,904,117 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.3

Radius: 13.6

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.89 AU - 1.33 AU

Year: 744 Days

Day: 11.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,078,788 km

• M1: 169,195 km (0.053 R)
• M2: 637,137 km (0.099 R)
• M3: 1,157,439 km (0.107 R)
• M4: 1,599,650 km (0.042 R)
• M5: 2,059,963 km (0.063 R)
• M6: 2,865,547 km (0.027 R)
• M7: 3,620,119 km (0.12 R)
• M8: 4,136,830 km (0.077 R)
• M9: 4,781,148 km (0.119 R)
• M10: 5,219,320 km (0.079 R)
• M11: 5,737,826 km (0.073 R)
• M12: 6,252,742 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.8

Radius: 9.8

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.41 AU - 1.49 AU

Year: 1110 Days

Day: 8.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,078,788 km

• M1: 121,922 km (0.048 R)
• M2: 495,767 km (0.051 R)
• M3: 866,920 km (0.094 R)
• M4: 1,247,197 km (0.066 R)
• M5: 2,076,568 km (0.101 R)
• M6: 3,005,421 km (0.055 R)
• M7: 3,571,200 km (0.067 R)
• M8: 4,822,587 km (0.055 R)
• M9: 5,417,537 km (0.075 R)
• M10: 6,917,555 km (0.114 R)
• M11: 8,218,309 km (0.093 R)
• M12: 8,676,976 km (0.086 R)
• M13: 9,124,273 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.6

Radius: 13.9

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.63 AU - 2.03 AU

Year: 1574 Days

Day: 6.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,078,788 km

• M1: 173,234 km (0.114 R)
• M2: 606,919 km (0.055 R)
• M3: 1,336,208 km (0.071 R)
• M4: 1,778,569 km (0.115 R)
• M5: 2,720,437 km (0.106 R)
• M6: 3,336,481 km (0.077 R)
• M7: 3,815,194 km (0.064 R)
• M8: 4,377,982 km (0.034 R)
• M9: 5,878,748 km (0.107 R)
• M10: 6,760,178 km (0.097 R)
• M11: 7,286,912 km (0.101 R)
• M12: 9,223,008 km (0.101 R)
• M13: 9,972,194 km (0.117 R)
• M14: 11,408,483 km (0.052 R)
• M15: 12,233,964 km (0.056 R)
• M16: 14,300,808 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.9

Radius: 14.2

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 5.33 AU - 6.73 AU

Year: 9415 Days

Day: 7.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,078,788 km

• M1: 176,675 km (0.037 R)
• M2: 1,062,145 km (0.059 R)
• M3: 1,787,395 km (0.102 R)
• M4: 2,363,796 km (0.077 R)
• M5: 3,003,626 km (0.041 R)
• M6: 5,705,812 km (0.078 R)
• M7: 7,043,816 km (0.042 R)
• M8: 8,999,210 km (0.086 R)
• M9: 9,606,427 km (0.091 R)
• M10: 11,294,490 km (0.114 R)
• M11: 13,956,883 km (0.092 R)
• M12: 15,130,777 km (0.095 R)
• M13: 18,977,986 km (0.098 R)
• M14: 19,474,052 km (0.073 R)
• M15: 20,492,066 km (0.111 R)
• M16: 25,006,331 km (0.082 R)
• M17: 26,913,255 km (0.06 R)
• M18: 28,359,867 km (0.032 R)
• M19: 30,529,335 km (0.079 R)
• M20: 32,302,668 km (0.111 R)
• M21: 36,488,117 km (0.116 R)

Asteroid Belt

Center: 6.31 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 902.4

Radius: 7

Gravity: 18.42 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 6.2 AU - 6.96 AU

Year: 10732 Days

Day: 19.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 55,078,788 km

• M1: 87,066 km (0.064 R)
• M2: 366,814 km (0.073 R)
• M3: 809,923 km (0.119 R)
• M4: 1,678,189 km (0.069 R)
• M5: 1,957,488 km (0.058 R)
• M6: 4,932,990 km (0.09 R)
• M7: 5,509,839 km (0.061 R)
• M8: 5,869,622 km (0.119 R)
• M9: 6,322,006 km (0.114 R)
• M10: 9,038,105 km (0.106 R)
• M11: 12,630,548 km (0.075 R)
• M12: 14,301,108 km (0.064 R)
• M13: 14,638,451 km (0.073 R)
• M14: 15,119,558 km (0.103 R)
• M15: 15,968,974 km (0.083 R)
• M16: 16,849,657 km (0.054 R)
• M17: 19,192,808 km (0.084 R)
• M18: 20,187,933 km (0.12 R)
• M19: 22,825,793 km (0.116 R)
• M20: 24,706,687 km (0.116 R)
• M21: 25,784,091 km (0.086 R)
• M22: 30,630,164 km (0.109 R)
• M23: 30,853,663 km (0.064 R)
• M24: 32,448,676 km (0.119 R)
• M25: 34,458,374 km (0.112 R)
• M26: 35,432,256 km (0.069 R)
• M27: 42,076,047 km (0.111 R)
• M28: 45,762,288 km (0.038 R)
• M29: 49,966,736 km (0.104 R)
• M30: 51,371,011 km (0.107 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: 547 - 20,151 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit