🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.2

Radius: 14.1

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.93 AU - 1.27 AU

Year: 757 Days

Day: 10.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,189,747 km

• M1: 175,329 km (0.058 R)
• M2: 654,491 km (0.094 R)
• M3: 1,151,604 km (0.104 R)
• M4: 1,926,073 km (0.115 R)
• M5: 2,437,847 km (0.117 R)
• M6: 2,995,997 km (0.03 R)
• M7: 3,794,251 km (0.1 R)
• M8: 4,315,599 km (0.116 R)
• M9: 5,188,204 km (0.117 R)
• M10: 5,797,965 km (0.115 R)
• M11: 6,249,152 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.6

Radius: 12.3

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.48 AU - 1.48 AU

Year: 1181 Days

Day: 14.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 14,189,747 km

• M1: 153,039 km (0.034 R)
• M2: 561,142 km (0.107 R)
• M3: 1,049,579 km (0.076 R)
• M4: 1,600,398 km (0.105 R)
• M5: 2,147,029 km (0.063 R)
• M6: 2,595,673 km (0.083 R)
• M7: 3,050,151 km (0.113 R)
• M8: 3,464,088 km (0.106 R)
• M9: 4,138,775 km (0.104 R)
• M10: 4,724,750 km (0.099 R)
• M11: 5,534,672 km (0.098 R)
• M12: 6,177,943 km (0.097 R)
• M13: 6,796,680 km (0.11 R)
• M14: 7,482,586 km (0.111 R)
• M15: 8,186,295 km (0.074 R)
• M16: 9,354,355 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.5

Radius: 13.5

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.83 AU - 1.87 AU

Year: 1651 Days

Day: 5.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 14,189,747 km

• M1: 167,849 km (0.116 R)
• M2: 750,682 km (0.064 R)
• M3: 1,198,429 km (0.101 R)
• M4: 2,861,059 km (0.027 R)
• M5: 4,099,281 km (0.11 R)
• M6: 4,708,892 km (0.099 R)
• M7: 6,087,137 km (0.091 R)
• M8: 6,935,208 km (0.072 R)
• M9: 8,412,487 km (0.067 R)
• M10: 9,823,943 km (0.083 R)
• M11: 10,396,454 km (0.091 R)
• M12: 11,424,490 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708.8

Radius: 9.9

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.26 AU - 4.34 AU

Year: 4859 Days

Day: 6.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 14,189,747 km

• M1: 123,119 km (0.053 R)
• M2: 589,416 km (0.039 R)
• M3: 1,157,140 km (0.088 R)
• M4: 1,503,907 km (0.116 R)
• M5: 2,120,400 km (0.119 R)
• M6: 2,613,624 km (0.099 R)
• M7: 4,223,297 km (0.086 R)
• M8: 5,007,490 km (0.056 R)
• M9: 10,359,353 km (0.037 R)
• M10: 11,031,646 km (0.079 R)
• M11: 12,915,831 km (0.119 R)
• M12: 14,068,483 km (0.108 R)
• M13: 18,386,027 km (0.033 R)
• M14: 19,910,878 km (0.066 R)
• M15: 26,116,048 km (0.052 R)
• M16: 29,787,629 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.7

Radius: 14.9

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.4 AU - 4.4 AU

Year: 5052 Days

Day: 5.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 173.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 14,189,747 km

• M1: 185,352 km (0.11 R)
• M2: 676,631 km (0.075 R)
• M3: 1,149,360 km (0.045 R)
• M4: 1,950,008 km (0.119 R)
• M5: 2,470,459 km (0.072 R)
• M6: 3,065,410 km (0.098 R)
• M7: 3,690,729 km (0.096 R)
• M8: 4,449,340 km (0.097 R)
• M9: 6,693,009 km (0.052 R)
• M10: 9,242,156 km (0.09 R)
• M11: 10,556,224 km (0.058 R)
• M12: 11,421,349 km (0.113 R)
• M13: 12,581,181 km (0.091 R)
• M14: 13,087,121 km (0.066 R)
• M15: 15,765,671 km (0.116 R)
• M16: 17,890,260 km (0.105 R)
• M17: 18,791,437 km (0.095 R)
• M18: 20,545,173 km (0.052 R)
• M19: 24,065,959 km (0.068 R)
• M20: 24,611,094 km (0.061 R)
• M21: 28,228,370 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.7

Radius: 9.5

Gravity: 8.5 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.38 AU - 6.44 AU

Year: 8255 Days

Day: 7.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 14,189,747 km

• M1: 119,529 km (0.108 R)
• M2: 488,886 km (0.104 R)
• M3: 903,571 km (0.087 R)
• M4: 1,228,049 km (0.049 R)
• M5: 1,549,385 km (0.097 R)
• M6: 2,155,855 km (0.084 R)
• M7: 2,591,185 km (0.11 R)
• M8: 3,788,117 km (0.118 R)
• M9: 4,566,475 km (0.119 R)
• M10: 6,118,703 km (0.095 R)
• M11: 7,665,694 km (0.102 R)
• M12: 8,464,696 km (0.05 R)
• M13: 9,225,850 km (0.114 R)
• M14: 10,426,972 km (0.1 R)
• M15: 10,883,843 km (0.083 R)
• M16: 11,407,286 km (0.071 R)
• M17: 15,882,656 km (0.119 R)
• M18: 16,284,626 km (0.111 R)
• M19: 16,693,327 km (0.089 R)
• M20: 21,407,754 km (0.074 R)
• M21: 23,761,827 km (0.11 R)
• M22: 24,642,808 km (0.094 R)
• M23: 25,001,245 km (0.114 R)
• M24: 29,177,419 km (0.118 R)
• M25: 33,031,060 km (0.042 R)
• M26: 33,576,494 km (0.075 R)
• M27: 34,797,811 km (0.109 R)
• M28: 40,724,280 km (0.116 R)
• M29: 43,663,131 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 10.4

Radius: 7.7

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.74 AU - 7.96 AU

Year: 13072 Days

Day: 18.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 14,189,747 km

• M1: 96,191 km (0.089 R)
• M2: 786,735 km (0.099 R)
• M3: 1,596,658 km (0.113 R)
• M4: 2,789,103 km (0.117 R)
• M5: 5,356,352 km (0.098 R)
• M6: 8,242,244 km (0.1 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 160 - 11,155 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit