🌌 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: 757

Radius: 12.3

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.68 AU - 0.86 AU

Year: 451 Days

Day: 14.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,615,382 km

• M1: 153,039 km (0.098 R)
• M2: 629,657 km (0.115 R)
• M3: 1,257,071 km (0.073 R)
• M4: 1,647,671 km (0.097 R)
• M5: 2,069,387 km (0.115 R)
• M6: 2,554,234 km (0.12 R)
• M7: 2,937,055 km (0.088 R)
• M8: 3,603,065 km (0.114 R)
• M9: 4,353,448 km (0.095 R)
• M10: 5,189,251 km (0.108 R)
• M11: 6,183,628 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.5

Radius: 9.1

Gravity: 9.16 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.14 AU - 1.64 AU

Year: 1093 Days

Day: 9.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,615,382 km

• M1: 113,545 km (0.073 R)
• M2: 401,221 km (0.05 R)
• M3: 1,102,088 km (0.094 R)
• M4: 1,425,369 km (0.107 R)
• M5: 1,727,706 km (0.09 R)
• M6: 2,115,763 km (0.045 R)
• M7: 2,585,949 km (0.055 R)
• M8: 3,518,542 km (0.085 R)
• M9: 4,336,693 km (0.081 R)
• M10: 5,397,641 km (0.076 R)
• M11: 5,772,982 km (0.09 R)
• M12: 6,599,510 km (0.079 R)
• M13: 7,891,587 km (0.105 R)
• M14: 8,908,553 km (0.089 R)
• M15: 10,739,930 km (0.116 R)
• M16: 11,234,351 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.2

Radius: 8.1

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.81 AU - 3.23 AU

Year: 3500 Days

Day: 6.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,615,382 km

• M1: 105,466 km (0.112 R)
• M2: 400,473 km (0.059 R)
• M3: 981,512 km (0.111 R)
• M4: 2,335,372 km (0.112 R)
• M5: 2,954,857 km (0.089 R)
• M6: 3,845,114 km (0.11 R)
• M7: 4,496,463 km (0.074 R)
• M8: 5,767,148 km (0.112 R)
• M9: 6,379,152 km (0.047 R)
• M10: 7,348,547 km (0.055 R)
• M11: 8,098,780 km (0.094 R)
• M12: 8,866,067 km (0.108 R)
• M13: 9,892,309 km (0.087 R)
• M14: 12,466,739 km (0.062 R)
• M15: 13,184,808 km (0.111 R)
• M16: 16,534,753 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.6

Radius: 13.3

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.74 AU - 4.7 AU

Year: 5781 Days

Day: 12.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 85,615,382 km

• M1: 167,400 km (0.114 R)
• M2: 605,273 km (0.119 R)
• M3: 1,144,274 km (0.067 R)
• M4: 1,872,367 km (0.065 R)
• M5: 2,506,961 km (0.077 R)
• M6: 2,965,030 km (0.046 R)
• M7: 3,560,429 km (0.106 R)
• M8: 4,008,176 km (0.115 R)
• M9: 4,839,342 km (0.098 R)
• M10: 5,782,257 km (0.055 R)
• M11: 6,590,684 km (0.032 R)
• M12: 7,071,491 km (0.096 R)
• M13: 9,433,193 km (0.057 R)
• M14: 11,855,033 km (0.119 R)
• M15: 12,568,615 km (0.113 R)
• M16: 14,186,665 km (0.077 R)
• M17: 14,612,122 km (0.109 R)
• M18: 15,155,910 km (0.095 R)
• M19: 15,882,806 km (0.113 R)
• M20: 16,868,506 km (0.113 R)
• M21: 20,405,449 km (0.117 R)
• M22: 22,204,662 km (0.114 R)
• M23: 25,098,334 km (0.075 R)
• M24: 27,161,887 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 687.4

Radius: 6.1

Gravity: 18.47 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.5 AU - 7.28 AU

Year: 9532 Days

Day: 16.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 85,615,382 km

• M1: 75,996 km (0.047 R)
• M2: 481,556 km (0.11 R)
• M3: 749,934 km (0.089 R)
• M4: 1,072,916 km (0.119 R)
• M5: 1,915,900 km (0.117 R)
• M6: 2,350,931 km (0.111 R)
• M7: 2,786,410 km (0.115 R)
• M8: 3,204,386 km (0.115 R)
• M9: 4,418,224 km (0.077 R)
• M10: 4,622,275 km (0.114 R)
• M11: 4,955,579 km (0.116 R)
• M12: 5,369,965 km (0.108 R)
• M13: 7,796,443 km (0.107 R)
• M14: 9,509,937 km (0.109 R)
• M15: 10,817,572 km (0.081 R)
• M16: 11,082,061 km (0.078 R)
• M17: 16,267,272 km (0.113 R)
• M18: 17,109,359 km (0.084 R)
• M19: 17,324,331 km (0.062 R)
• M20: 19,341,359 km (0.08 R)
• M21: 20,688,787 km (0.094 R)
• M22: 20,932,781 km (0.106 R)
• M23: 23,480,583 km (0.027 R)
• M24: 24,646,249 km (0.046 R)
• M25: 32,132,875 km (0.097 R)
• M26: 35,276,524 km (0.066 R)
• M27: 39,862,447 km (0.047 R)
• M28: 40,493,900 km (0.108 R)
• M29: 43,485,109 km (0.108 R)
• M30: 44,154,260 km (0.063 R)
• M31: 45,788,318 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 845

Radius: 7.3

Gravity: 15.86 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 6.85 AU - 9.21 AU

Year: 15174 Days

Day: 21.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 85,615,382 km

• M1: 90,806 km (0.071 R)
• M2: 338,390 km (0.034 R)
• M3: 649,554 km (0.116 R)
• M4: 1,323,941 km (0.073 R)
• M5: 1,611,019 km (0.09 R)
• M6: 2,396,558 km (0.076 R)
• M7: 3,333,340 km (0.113 R)
• M8: 4,661,170 km (0.092 R)
• M9: 5,077,501 km (0.045 R)
• M10: 6,434,504 km (0.086 R)
• M11: 7,039,627 km (0.037 R)
• M12: 7,824,717 km (0.115 R)
• M13: 10,126,429 km (0.077 R)
• M14: 10,588,537 km (0.088 R)
• M15: 11,680,003 km (0.081 R)
• M16: 11,996,104 km (0.105 R)
• M17: 14,733,745 km (0.118 R)
• M18: 16,014,003 km (0.073 R)
• M19: 16,483,142 km (0.094 R)
• M20: 17,448,647 km (0.081 R)
• M21: 18,967,065 km (0.102 R)
• M22: 19,847,598 km (0.095 R)
• M23: 20,663,206 km (0.097 R)
• M24: 25,817,900 km (0.079 R)
• M25: 32,014,692 km (0.049 R)
• M26: 36,251,603 km (0.107 R)
• M27: 38,713,236 km (0.082 R)
• M28: 40,271,148 km (0.097 R)
• M29: 41,430,083 km (0.079 R)
• M30: 43,210,148 km (0.027 R)
• M31: 45,818,088 km (0.075 R)
• M32: 50,840,537 km (0.104 R)
• M33: 55,859,995 km (0.066 R)
• M34: 58,397,324 km (0.095 R)
• M35: 58,766,083 km (0.113 R)
• M36: 59,136,188 km (0.115 R)
• M37: 65,272,842 km (0.112 R)
• M38: 67,476,568 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 921.3

Radius: 3.4

Gravity: 79.7 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 9.83 AU - 9.85 AU

Year: 20584 Days

Day: 15.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 85,615,382 km

• M1: 42,635 km (0.032 R)
• M2: 156,180 km (0.1 R)
• M3: 524,939 km (0.118 R)
• M4: 706,551 km (0.113 R)
• M5: 1,181,374 km (0.11 R)
• M6: 3,173,719 km (0.059 R)
• M7: 4,135,484 km (0.109 R)
• M8: 5,040,700 km (0.072 R)
• M9: 5,983,316 km (0.093 R)
• M10: 7,736,603 km (0.111 R)
• M11: 9,926,118 km (0.11 R)
• M12: 14,435,447 km (0.047 R)
• M13: 20,338,279 km (0.114 R)
• M14: 22,898,048 km (0.062 R)
• M15: 31,190,408 km (0.071 R)
• M16: 43,691,554 km (0.117 R)
• M17: 44,848,993 km (0.114 R)
• M18: 50,040,637 km (0.106 R)
• M19: 53,527,764 km (0.069 R)
• M20: 63,260,601 km (0.109 R)
• M21: 81,573,176 km (0.031 R)
• M22: 82,822,468 km (0.101 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 11,139 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit