🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990

Radius: 14.2

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.58 AU - 0.7 AU

Year: 347 Days

Day: 7.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,897,383 km

• M1: 176,675 km (0.086 R)
• M2: 676,033 km (0.098 R)
• M3: 1,470,996 km (0.083 R)
• M4: 1,973,944 km (0.118 R)
• M5: 2,479,435 km (0.096 R)
• M6: 3,293,696 km (0.117 R)
• M7: 3,758,198 km (0.113 R)
• M8: 4,239,454 km (0.079 R)
• M9: 4,850,711 km (0.03 R)
• M10: 5,651,808 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.7

Radius: 14

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.6 AU - 0.84 AU

Year: 414 Days

Day: 5.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,897,383 km

• M1: 174,132 km (0.117 R)
• M2: 644,019 km (0.054 R)
• M3: 1,565,243 km (0.119 R)
• M4: 2,467,467 km (0.1 R)
• M5: 3,155,019 km (0.113 R)
• M6: 3,594,238 km (0.115 R)
• M7: 4,062,629 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.8

Radius: 9.5

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.13 AU - 1.17 AU

Year: 836 Days

Day: 12.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,897,383 km

• M1: 118,182 km (0.048 R)
• M2: 520,152 km (0.113 R)
• M3: 1,023,399 km (0.045 R)
• M4: 1,585,139 km (0.06 R)
• M5: 1,998,328 km (0.085 R)
• M6: 2,527,306 km (0.108 R)
• M7: 2,980,139 km (0.105 R)
• M8: 3,657,967 km (0.035 R)
• M9: 4,175,127 km (0.059 R)
• M10: 5,133,002 km (0.1 R)
• M11: 5,585,685 km (0.085 R)
• M12: 6,044,502 km (0.111 R)
• M13: 7,105,749 km (0.078 R)
• M14: 7,693,071 km (0.089 R)
• M15: 8,135,581 km (0.112 R)
• M16: 8,673,385 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.4

Radius: 14.5

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.62 AU - 1.8 AU

Year: 1517 Days

Day: 9.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,897,383 km

• M1: 180,415 km (0.025 R)
• M2: 740,210 km (0.054 R)
• M3: 1,347,129 km (0.097 R)
• M4: 2,625,891 km (0.065 R)
• M5: 3,163,845 km (0.101 R)
• M6: 3,713,917 km (0.079 R)
• M7: 5,046,385 km (0.105 R)
• M8: 7,589,698 km (0.097 R)
• M9: 8,050,011 km (0.105 R)
• M10: 8,665,307 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.9

Radius: 9.9

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.15 AU - 3.09 AU

Year: 2876 Days

Day: 12.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,897,383 km

• M1: 125,363 km (0.053 R)
• M2: 1,000,511 km (0.078 R)
• M3: 1,412,353 km (0.079 R)
• M4: 1,854,116 km (0.095 R)
• M5: 2,172,460 km (0.082 R)
• M6: 3,664,400 km (0.113 R)
• M7: 8,287,572 km (0.115 R)
• M8: 8,921,269 km (0.047 R)
• M9: 10,135,705 km (0.107 R)
• M10: 11,176,008 km (0.108 R)
• M11: 11,908,140 km (0.104 R)
• M12: 14,916,553 km (0.113 R)
• M13: 16,988,484 km (0.114 R)
• M14: 17,414,090 km (0.113 R)
• M15: 18,397,696 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.4

Radius: 12.4

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.79 AU - 2.85 AU

Year: 3212 Days

Day: 10.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,897,383 km

• M1: 155,133 km (0.066 R)
• M2: 742,155 km (0.041 R)
• M3: 4,594,899 km (0.101 R)
• M4: 5,151,103 km (0.09 R)
• M5: 6,300,165 km (0.112 R)
• M6: 8,975,274 km (0.109 R)
• M7: 9,813,770 km (0.116 R)
• M8: 14,332,673 km (0.036 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.8

Radius: 9.8

Gravity: 9.97 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.54 AU - 5.86 AU

Year: 6911 Days

Day: 9 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 41,897,383 km

• M1: 124,166 km (0.096 R)
• M2: 451,038 km (0.06 R)
• M3: 1,161,927 km (0.119 R)
• M4: 1,542,803 km (0.08 R)
• M5: 1,867,281 km (0.064 R)
• M6: 2,677,054 km (0.099 R)
• M7: 3,129,288 km (0.031 R)
• M8: 4,295,104 km (0.09 R)
• M9: 4,741,953 km (0.084 R)
• M10: 5,219,470 km (0.112 R)
• M11: 6,590,983 km (0.106 R)
• M12: 7,899,216 km (0.103 R)
• M13: 8,877,437 km (0.037 R)
• M14: 9,190,545 km (0.07 R)
• M15: 16,845,319 km (0.082 R)
• M16: 17,187,898 km (0.086 R)
• M17: 19,119,505 km (0.119 R)
• M18: 20,099,372 km (0.116 R)
• M19: 21,191,735 km (0.084 R)
• M20: 22,159,035 km (0.086 R)
• M21: 22,488,001 km (0.087 R)
• M22: 25,327,219 km (0.054 R)
• M23: 25,867,865 km (0.058 R)
• M24: 27,253,441 km (0.074 R)
• M25: 31,292,434 km (0.087 R)
• M26: 31,915,060 km (0.114 R)
• M27: 32,864,558 km (0.074 R)
• M28: 37,197,810 km (0.088 R)
• M29: 39,802,907 km (0.054 R)
• M30: 40,779,632 km (0.105 R)
• M31: 41,522,535 km (0.05 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: 323 - 16,752 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit