🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.6

Radius: 13.3

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.37 AU - 1.61 AU

Year: 1193 Days

Day: 14.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 92.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 49,729,199 km

• M1: 212,130 km (0.051 R)
• M2: 680,670 km (0.118 R)
• M3: 2,078,662 km (0.104 R)
• M4: 3,010,807 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710

Radius: 14.3

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.82 AU - 2.86 AU

Year: 2348 Days

Day: 10.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,729,199 km

• M1: 178,620 km (0.107 R)
• M2: 671,545 km (0.106 R)
• M3: 1,330,673 km (0.106 R)
• M4: 1,833,023 km (0.116 R)
• M5: 2,763,821 km (0.094 R)
• M6: 3,406,344 km (0.117 R)
• M7: 4,535,807 km (0.108 R)
• M8: 5,776,572 km (0.101 R)
• M9: 7,587,604 km (0.089 R)
• M10: 8,821,936 km (0.115 R)
• M11: 9,540,006 km (0.087 R)
• M12: 13,331,115 km (0.072 R)
• M13: 14,509,647 km (0.075 R)
• M14: 18,028,039 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.5

Radius: 13

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.36 AU - 2.52 AU

Year: 2500 Days

Day: 10 Hours

Environment

Temp: -199 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,729,199 km

• M1: 161,715 km (0.074 R)
• M2: 681,418 km (0.103 R)
• M3: 1,262,756 km (0.07 R)
• M4: 1,716,486 km (0.112 R)
• M5: 2,628,435 km (0.091 R)
• M6: 3,317,183 km (0.118 R)
• M7: 4,008,924 km (0.074 R)
• M8: 4,646,809 km (0.118 R)
• M9: 5,079,147 km (0.065 R)
• M10: 6,357,311 km (0.068 R)
• M11: 6,864,448 km (0.049 R)
• M12: 7,398,512 km (0.082 R)
• M13: 8,082,175 km (0.119 R)
• M14: 8,775,112 km (0.05 R)
• M15: 12,683,506 km (0.109 R)
• M16: 13,317,352 km (0.102 R)
• M17: 15,535,888 km (0.104 R)
• M18: 16,409,540 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.3

Radius: 12.3

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.66 AU - 4.54 AU

Year: 5446 Days

Day: 11.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,729,199 km

• M1: 153,338 km (0.074 R)
• M2: 701,614 km (0.026 R)
• M3: 1,842,747 km (0.027 R)
• M4: 2,292,737 km (0.09 R)
• M5: 3,597,829 km (0.119 R)
• M6: 4,018,348 km (0.034 R)
• M7: 4,448,293 km (0.073 R)
• M8: 8,670,992 km (0.099 R)
• M9: 9,869,570 km (0.106 R)
• M10: 19,099,160 km (0.12 R)
• M11: 20,125,402 km (0.107 R)
• M12: 20,918,869 km (0.09 R)
• M13: 24,377,123 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.4

Radius: 9.3

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.36 AU - 5.86 AU

Year: 7578 Days

Day: 11.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,729,199 km

• M1: 116,537 km (0.112 R)
• M2: 414,685 km (0.096 R)
• M3: 1,007,841 km (0.055 R)
• M4: 1,429,108 km (0.086 R)
• M5: 1,728,304 km (0.036 R)
• M6: 2,177,696 km (0.105 R)
• M7: 3,229,070 km (0.086 R)
• M8: 3,797,841 km (0.1 R)
• M9: 4,966,500 km (0.108 R)
• M10: 6,392,317 km (0.115 R)
• M11: 8,346,813 km (0.103 R)
• M12: 14,567,841 km (0.066 R)
• M13: 14,857,313 km (0.072 R)
• M14: 15,931,126 km (0.102 R)
• M15: 17,900,582 km (0.084 R)
• M16: 20,385,253 km (0.113 R)
• M17: 21,040,641 km (0.037 R)
• M18: 24,693,672 km (0.115 R)
• M19: 25,438,370 km (0.043 R)
• M20: 26,626,626 km (0.073 R)
• M21: 29,204,796 km (0.052 R)
• M22: 29,572,956 km (0.097 R)
• M23: 30,131,106 km (0.03 R)
• M24: 31,364,390 km (0.109 R)
• M25: 33,327,114 km (0.044 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351.1

Radius: 7.9

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 6.14 AU - 9.8 AU

Year: 14760 Days

Day: 21.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,729,199 km

• M1: 99,782 km (0.083 R)
• M2: 428,000 km (0.04 R)
• M3: 1,164,619 km (0.055 R)
• M4: 1,620,145 km (0.104 R)
• M5: 1,898,098 km (0.09 R)
• M6: 2,394,613 km (0.098 R)
• M7: 2,952,613 km (0.1 R)
• M8: 5,120,586 km (0.088 R)
• M9: 11,869,544 km (0.12 R)
• M10: 15,498,190 km (0.098 R)
• M11: 15,772,702 km (0.09 R)
• M12: 20,047,311 km (0.069 R)
• M13: 21,288,525 km (0.106 R)
• M14: 24,475,408 km (0.086 R)
• M15: 25,604,723 km (0.081 R)
• M16: 28,785,473 km (0.097 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 17,375 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit