🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.7

Radius: 15

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.69 AU - 0.85 AU

Year: 458 Days

Day: 11.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,683,734 km

• M1: 186,549 km (0.057 R)
• M2: 661,971 km (0.089 R)
• M3: 1,156,242 km (0.095 R)
• M4: 1,863,690 km (0.038 R)
• M5: 2,536,581 km (0.087 R)
• M6: 3,091,290 km (0.097 R)
• M7: 3,688,934 km (0.061 R)
• M8: 4,250,076 km (0.114 R)
• M9: 4,822,138 km (0.056 R)
• M10: 5,329,723 km (0.102 R)
• M11: 5,873,063 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.5

Radius: 10.1

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.89 AU - 0.99 AU

Year: 618 Days

Day: 10 Hours

Environment

Temp: -166 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,683,734 km

• M1: 125,662 km (0.098 R)
• M2: 481,855 km (0.117 R)
• M3: 829,221 km (0.118 R)
• M4: 1,292,376 km (0.052 R)
• M5: 1,864,887 km (0.103 R)
• M6: 2,738,838 km (0.106 R)
• M7: 4,635,140 km (0.076 R)
• M8: 5,225,454 km (0.117 R)
• M9: 6,818,821 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.9

Radius: 12.4

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.15 AU - 1.31 AU

Year: 925 Days

Day: 13.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,683,734 km

• M1: 154,235 km (0.098 R)
• M2: 571,613 km (0.09 R)
• M3: 1,064,090 km (0.098 R)
• M4: 1,611,618 km (0.087 R)
• M5: 2,104,992 km (0.074 R)
• M6: 2,516,835 km (0.072 R)
• M7: 2,994,800 km (0.11 R)
• M8: 3,805,022 km (0.103 R)
• M9: 4,500,951 km (0.104 R)
• M10: 5,192,991 km (0.057 R)
• M11: 6,108,081 km (0.035 R)
• M12: 6,810,593 km (0.098 R)
• M13: 7,214,208 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.6

Radius: 11.6

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.18 AU - 1.74 AU

Year: 1197 Days

Day: 13.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,683,734 km

• M1: 144,362 km (0.036 R)
• M2: 670,647 km (0.104 R)
• M3: 1,106,875 km (0.112 R)
• M4: 1,850,675 km (0.091 R)
• M5: 2,358,560 km (0.034 R)
• M6: 2,903,545 km (0.093 R)
• M7: 3,423,248 km (0.111 R)
• M8: 4,669,548 km (0.067 R)
• M9: 5,344,384 km (0.119 R)
• M10: 6,289,693 km (0.11 R)
• M11: 6,790,247 km (0.033 R)
• M12: 7,164,092 km (0.102 R)
• M13: 7,844,613 km (0.119 R)
• M14: 8,256,606 km (0.116 R)
• M15: 9,704,115 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.5

Radius: 12.8

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.81 AU - 3.47 AU

Year: 3774 Days

Day: 9.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,683,734 km

• M1: 160,519 km (0.048 R)
• M2: 1,148,463 km (0.039 R)
• M3: 2,196,396 km (0.091 R)
• M4: 5,357,997 km (0.064 R)
• M5: 7,064,161 km (0.116 R)
• M6: 7,542,276 km (0.107 R)
• M7: 8,010,068 km (0.091 R)
• M8: 11,157,159 km (0.115 R)
• M9: 14,330,130 km (0.037 R)
• M10: 15,393,770 km (0.117 R)
• M11: 15,944,889 km (0.117 R)
• M12: 17,732,284 km (0.086 R)

Asteroid Belt

Center: 4.76 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.7

Radius: 7.9

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 6.15 AU - 6.59 AU

Year: 10904 Days

Day: 15.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,683,734 km

• M1: 98,286 km (0.06 R)
• M2: 927,956 km (0.078 R)
• M3: 1,219,671 km (0.103 R)
• M4: 1,671,607 km (0.033 R)
• M5: 2,059,364 km (0.056 R)
• M6: 3,401,556 km (0.081 R)
• M7: 3,793,503 km (0.064 R)
• M8: 5,440,575 km (0.11 R)
• M9: 6,963,930 km (0.118 R)
• M10: 7,761,586 km (0.036 R)
• M11: 8,486,238 km (0.081 R)
• M12: 13,688,804 km (0.031 R)
• M13: 14,554,826 km (0.117 R)
• M14: 15,988,572 km (0.077 R)
• M15: 16,670,439 km (0.08 R)
• M16: 21,337,892 km (0.11 R)
• M17: 23,880,607 km (0.104 R)
• M18: 25,776,312 km (0.097 R)
• M19: 33,918,624 km (0.055 R)
• M20: 39,544,701 km (0.106 R)
• M21: 39,791,687 km (0.098 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: 391 - 12,715 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit