🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.3

Radius: 12.5

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.67 AU - 1.03 AU

Year: 498 Days

Day: 12.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,344,870 km

• M1: 155,432 km (0.069 R)
• M2: 576,550 km (0.085 R)
• M3: 1,013,376 km (0.113 R)
• M4: 1,402,330 km (0.054 R)
• M5: 2,352,875 km (0.105 R)
• M6: 2,845,052 km (0.041 R)
• M7: 3,335,883 km (0.078 R)
• M8: 4,025,828 km (0.085 R)
• M9: 4,447,395 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.1

Radius: 10.3

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.66 AU - 2.66 AU

Year: 2018 Days

Day: 11 Hours

Environment

Temp: -186 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,344,870 km

• M1: 128,056 km (0.048 R)
• M2: 691,890 km (0.082 R)
• M3: 1,179,280 km (0.106 R)
• M4: 1,958,685 km (0.092 R)
• M5: 3,675,769 km (0.088 R)
• M6: 4,425,255 km (0.068 R)
• M7: 5,249,838 km (0.086 R)
• M8: 10,251,792 km (0.081 R)
• M9: 10,704,476 km (0.049 R)
• M10: 11,209,817 km (0.106 R)
• M11: 12,018,394 km (0.1 R)
• M12: 12,394,782 km (0.096 R)
• M13: 13,526,340 km (0.112 R)
• M14: 16,246,329 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593

Radius: 9.1

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.63 AU - 4.33 AU

Year: 4128 Days

Day: 13.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,344,870 km

• M1: 113,246 km (0.12 R)
• M2: 419,921 km (0.05 R)
• M3: 835,504 km (0.065 R)
• M4: 2,048,593 km (0.06 R)
• M5: 2,334,924 km (0.06 R)
• M6: 2,680,943 km (0.083 R)
• M7: 3,264,674 km (0.102 R)
• M8: 3,845,413 km (0.067 R)
• M9: 4,856,396 km (0.097 R)
• M10: 5,397,192 km (0.108 R)
• M11: 6,387,380 km (0.101 R)
• M12: 7,328,650 km (0.037 R)
• M13: 8,431,635 km (0.114 R)
• M14: 9,251,731 km (0.049 R)
• M15: 9,562,894 km (0.12 R)
• M16: 11,894,527 km (0.053 R)
• M17: 12,216,312 km (0.037 R)
• M18: 12,591,054 km (0.117 R)
• M19: 13,611,461 km (0.071 R)
• M20: 14,633,664 km (0.077 R)
• M21: 17,119,532 km (0.111 R)
• M22: 19,554,237 km (0.077 R)
• M23: 23,553,287 km (0.099 R)
• M24: 24,725,087 km (0.109 R)
• M25: 25,249,877 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.1

Radius: 12.3

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.28 AU - 6.86 AU

Year: 8358 Days

Day: 11.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,344,870 km

• M1: 153,039 km (0.104 R)
• M2: 664,364 km (0.068 R)
• M3: 1,507,947 km (0.092 R)
• M4: 2,120,101 km (0.107 R)
• M5: 3,079,472 km (0.038 R)
• M6: 6,777,382 km (0.103 R)
• M7: 7,172,171 km (0.116 R)
• M8: 7,744,532 km (0.109 R)
• M9: 9,570,823 km (0.114 R)
• M10: 10,665,431 km (0.077 R)
• M11: 11,076,077 km (0.069 R)
• M12: 16,210,874 km (0.113 R)
• M13: 17,479,464 km (0.084 R)
• M14: 18,992,048 km (0.087 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 598.4

Radius: 3.5

Gravity: 48.85 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 8.19 AU - 13.55 AU

Year: 22786 Days

Day: 23.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 79,344,870 km

• M1: 43,533 km (0.085 R)
• M2: 184,005 km (0.074 R)
• M3: 344,524 km (0.071 R)
• M4: 736,770 km (0.101 R)
• M5: 1,604,437 km (0.079 R)
• M6: 1,937,891 km (0.11 R)
• M7: 2,405,983 km (0.113 R)
• M8: 2,945,582 km (0.103 R)
• M9: 3,712,720 km (0.081 R)
• M10: 4,125,909 km (0.05 R)
• M11: 5,272,577 km (0.048 R)
• M12: 5,429,505 km (0.094 R)
• M13: 7,662,104 km (0.099 R)
• M14: 10,501,172 km (0.112 R)
• M15: 10,938,596 km (0.086 R)
• M16: 11,129,782 km (0.044 R)
• M17: 12,739,904 km (0.092 R)
• M18: 14,575,470 km (0.082 R)
• M19: 15,119,408 km (0.096 R)
• M20: 17,001,948 km (0.104 R)
• M21: 19,872,581 km (0.085 R)
• M22: 20,444,494 km (0.119 R)
• M23: 21,521,449 km (0.037 R)
• M24: 25,868,913 km (0.072 R)
• M25: 28,546,415 km (0.092 R)
• M26: 28,908,741 km (0.099 R)
• M27: 31,402,987 km (0.084 R)
• M28: 36,671,973 km (0.114 R)
• M29: 39,439,833 km (0.111 R)
• M30: 39,739,029 km (0.057 R)
• M31: 40,039,870 km (0.09 R)
• M32: 40,645,741 km (0.101 R)
• M33: 42,031,616 km (0.115 R)
• M34: 43,448,607 km (0.114 R)
• M35: 45,715,613 km (0.088 R)
• M36: 48,401,493 km (0.114 R)
• M37: 48,572,783 km (0.057 R)
• M38: 54,639,725 km (0.083 R)
• M39: 56,705,671 km (0.11 R)
• M40: 59,999,966 km (0.086 R)
• M41: 60,197,585 km (0.097 R)
• M42: 66,754,459 km (0.101 R)
• M43: 70,204,336 km (0.1 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 17,123 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit