🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.5

Radius: 8.7

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.37 AU - 1.77 AU

Year: 1270 Days

Day: 13.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,849,632 km

• M1: 108,309 km (0.103 R)
• M2: 409,599 km (0.09 R)
• M3: 726,148 km (0.091 R)
• M4: 1,013,825 km (0.097 R)
• M5: 1,311,375 km (0.105 R)
• M6: 1,748,500 km (0.032 R)
• M7: 2,578,768 km (0.079 R)
• M8: 3,681,155 km (0.099 R)
• M9: 4,227,486 km (0.11 R)
• M10: 4,900,976 km (0.112 R)
• M11: 5,501,910 km (0.1 R)
• M12: 6,641,846 km (0.106 R)
• M13: 7,134,622 km (0.096 R)
• M14: 7,526,269 km (0.046 R)
• M15: 8,871,154 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.8

Radius: 10.7

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.74 AU - 2.18 AU

Year: 1772 Days

Day: 10.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,849,632 km

• M1: 133,142 km (0.081 R)
• M2: 481,107 km (0.083 R)
• M3: 940,073 km (0.085 R)
• M4: 1,501,065 km (0.055 R)
• M5: 1,837,361 km (0.054 R)
• M6: 2,724,327 km (0.039 R)
• M7: 3,552,351 km (0.053 R)
• M8: 4,771,125 km (0.056 R)
• M9: 5,233,831 km (0.116 R)
• M10: 6,509,901 km (0.078 R)
• M11: 6,996,842 km (0.072 R)
• M12: 7,392,080 km (0.12 R)
• M13: 7,742,887 km (0.062 R)
• M14: 9,597,751 km (0.039 R)
• M15: 9,980,572 km (0.083 R)
• M16: 10,592,128 km (0.067 R)
• M17: 10,925,880 km (0.114 R)
• M18: 12,495,312 km (0.119 R)
• M19: 16,173,774 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.6

Radius: 10.1

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.49 AU - 2.49 AU

Year: 2537 Days

Day: 15 Hours

Environment

Temp: -206 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 27,849,632 km

• M1: 125,812 km (0.111 R)
• M2: 579,393 km (0.092 R)
• M3: 933,042 km (0.071 R)
• M4: 1,368,821 km (0.114 R)
• M5: 1,710,801 km (0.067 R)
• M6: 2,072,678 km (0.113 R)
• M7: 2,735,397 km (0.079 R)
• M8: 3,150,082 km (0.037 R)
• M9: 3,569,854 km (0.086 R)
• M10: 4,167,348 km (0.108 R)
• M11: 4,630,802 km (0.104 R)
• M12: 5,318,204 km (0.118 R)
• M13: 5,941,579 km (0.063 R)
• M14: 6,338,611 km (0.063 R)
• M15: 7,274,795 km (0.068 R)
• M16: 8,011,714 km (0.084 R)
• M17: 8,563,281 km (0.068 R)
• M18: 8,933,386 km (0.113 R)
• M19: 9,384,723 km (0.108 R)
• M20: 9,887,671 km (0.03 R)
• M21: 11,545,814 km (0.11 R)
• M22: 12,720,606 km (0.025 R)
• M23: 16,360,322 km (0.078 R)
• M24: 17,301,742 km (0.083 R)
• M25: 18,950,460 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.5

Radius: 11

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.94 AU - 4.16 AU

Year: 4319 Days

Day: 12 Hours

Environment

Temp: -213 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,849,632 km

• M1: 136,882 km (0.071 R)
• M2: 695,780 km (0.066 R)
• M3: 1,243,009 km (0.115 R)
• M4: 1,876,107 km (0.112 R)
• M5: 3,413,075 km (0.111 R)
• M6: 4,511,872 km (0.106 R)
• M7: 6,366,137 km (0.114 R)
• M8: 8,201,105 km (0.09 R)
• M9: 8,606,665 km (0.079 R)
• M10: 11,060,219 km (0.116 R)
• M11: 12,787,028 km (0.077 R)
• M12: 13,947,009 km (0.104 R)
• M13: 14,472,696 km (0.082 R)
• M14: 15,396,762 km (0.116 R)
• M15: 16,015,350 km (0.097 R)
• M16: 16,417,469 km (0.083 R)
• M17: 18,032,527 km (0.048 R)
• M18: 18,468,007 km (0.1 R)
• M19: 20,213,664 km (0.038 R)
• M20: 21,925,812 km (0.118 R)
• M21: 25,016,654 km (0.061 R)
• M22: 26,029,431 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.5

Radius: 8.1

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.12 AU - 6.8 AU

Year: 8238 Days

Day: 9.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,849,632 km

• M1: 101,278 km (0.103 R)
• M2: 426,204 km (0.118 R)
• M3: 734,825 km (0.109 R)
• M4: 1,135,149 km (0.071 R)
• M5: 2,975,352 km (0.096 R)
• M6: 3,920,960 km (0.102 R)
• M7: 4,248,729 km (0.106 R)
• M8: 5,030,228 km (0.074 R)
• M9: 7,569,802 km (0.072 R)
• M10: 8,544,282 km (0.091 R)
• M11: 8,817,747 km (0.111 R)
• M12: 9,527,140 km (0.095 R)
• M13: 9,784,150 km (0.051 R)
• M14: 10,235,636 km (0.097 R)
• M15: 10,661,691 km (0.061 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 862.4

Radius: 6.4

Gravity: 21.05 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 7.03 AU - 9.11 AU

Year: 14802 Days

Day: 21.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,849,632 km

• M1: 87,964 km (0.119 R)
• M2: 593,006 km (0.077 R)
• M3: 1,683,574 km (0.107 R)
• M4: 4,573,057 km (0.104 R)
• M5: 5,054,164 km (0.087 R)
• M6: 8,124,960 km (0.077 R)
• M7: 8,881,925 km (0.087 R)
• M8: 9,795,519 km (0.08 R)
• M9: 10,075,865 km (0.085 R)
• M10: 14,948,418 km (0.045 R)
• M11: 24,009,860 km (0.119 R)
• M12: 25,245,538 km (0.075 R)
• M13: 26,958,434 km (0.038 R)
• M14: 29,322,230 km (0.079 R)
• M15: 30,733,087 km (0.1 R)
• M16: 37,100,721 km (0.075 R)
• M17: 43,838,459 km (0.109 R)
• M18: 45,215,358 km (0.032 R)
• M19: 56,923,336 km (0.096 R)
• M20: 58,561,134 km (0.084 R)
• M21: 62,121,563 km (0.045 R)
• M22: 63,662,870 km (0.113 R)
• M23: 67,022,539 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23

Radius: 8

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 10.14 AU - 12.24 AU

Year: 24169 Days

Day: 21.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,849,632 km

• M1: 99,483 km (0.091 R)
• M2: 512,672 km (0.096 R)
• M3: 762,351 km (0.035 R)
• M4: 2,336,719 km (0.119 R)
• M5: 4,301,388 km (0.099 R)
• M6: 5,320,149 km (0.026 R)
• M7: 7,272,252 km (0.102 R)
• M8: 9,699,627 km (0.077 R)
• M9: 10,806,352 km (0.112 R)
• M10: 12,042,329 km (0.114 R)
• M11: 15,288,304 km (0.119 R)
• M12: 16,842,626 km (0.084 R)
• M13: 17,141,522 km (0.08 R)
• M14: 23,518,132 km (0.071 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: 325 - 17,436 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit