🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.4

Radius: 13.1

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.49 AU - 0.57 AU

Year: 262 Days

Day: 12.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,883,671 km

• M1: 162,912 km (0.114 R)
• M2: 733,179 km (0.08 R)
• M3: 1,215,632 km (0.084 R)
• M4: 1,714,092 km (0.113 R)
• M5: 2,190,262 km (0.035 R)
• M6: 2,779,080 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.4

Radius: 8.1

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.69 AU - 0.97 AU

Year: 513 Days

Day: 10.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,883,671 km

• M1: 100,829 km (0.105 R)
• M2: 510,129 km (0.083 R)
• M3: 774,319 km (0.04 R)
• M4: 1,041,052 km (0.091 R)
• M5: 1,450,651 km (0.069 R)
• M6: 2,446,075 km (0.109 R)
• M7: 3,263,328 km (0.085 R)
• M8: 3,864,562 km (0.096 R)
• M9: 4,454,277 km (0.115 R)
• M10: 4,836,200 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.5

Radius: 8.5

Gravity: 11.04 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.08 AU - 1.72 AU

Year: 1124 Days

Day: 10.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,883,671 km

• M1: 106,214 km (0.089 R)
• M2: 657,632 km (0.09 R)
• M3: 1,076,656 km (0.11 R)
• M4: 1,392,457 km (0.058 R)
• M5: 1,658,292 km (0.069 R)
• M6: 2,073,426 km (0.11 R)
• M7: 2,495,292 km (0.109 R)
• M8: 3,636,575 km (0.117 R)
• M9: 4,148,050 km (0.091 R)
• M10: 4,975,176 km (0.077 R)
• M11: 5,951,901 km (0.051 R)
• M12: 6,903,942 km (0.042 R)
• M13: 7,636,223 km (0.085 R)
• M14: 8,116,133 km (0.096 R)
• M15: 8,503,293 km (0.12 R)
• M16: 9,314,412 km (0.057 R)
• M17: 9,800,605 km (0.113 R)
• M18: 10,081,401 km (0.036 R)
• M19: 11,225,226 km (0.11 R)
• M20: 11,498,242 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.4

Radius: 14.9

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.85 AU - 3.25 AU

Year: 3613 Days

Day: 9 Hours

Environment

Temp: -214 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,883,671 km

• M1: 185,352 km (0.096 R)
• M2: 704,756 km (0.079 R)
• M3: 1,298,210 km (0.086 R)
• M4: 1,801,607 km (0.101 R)
• M5: 2,296,178 km (0.103 R)
• M6: 3,346,654 km (0.106 R)
• M7: 4,106,312 km (0.095 R)
• M8: 4,790,273 km (0.115 R)
• M9: 5,549,632 km (0.085 R)
• M10: 6,331,431 km (0.092 R)
• M11: 7,561,424 km (0.076 R)
• M12: 10,177,293 km (0.119 R)
• M13: 14,356,758 km (0.099 R)
• M14: 18,030,283 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.3

Radius: 12.3

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.5 AU - 4.16 AU

Year: 4122 Days

Day: 14.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,883,671 km

• M1: 153,039 km (0.113 R)
• M2: 1,083,089 km (0.075 R)
• M3: 1,538,016 km (0.111 R)
• M4: 3,612,190 km (0.108 R)
• M5: 6,359,705 km (0.097 R)
• M6: 6,957,947 km (0.102 R)
• M7: 7,662,403 km (0.107 R)
• M8: 8,751,027 km (0.098 R)
• M9: 10,190,158 km (0.084 R)
• M10: 12,443,102 km (0.078 R)
• M11: 13,532,773 km (0.096 R)
• M12: 16,302,428 km (0.109 R)
• M13: 16,709,933 km (0.061 R)
• M14: 17,424,562 km (0.068 R)
• M15: 18,851,127 km (0.096 R)
• M16: 23,820,319 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.1

Radius: 10.8

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.61 AU - 4.25 AU

Year: 5284 Days

Day: 9.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,883,671 km

• M1: 134,488 km (0.109 R)
• M2: 573,708 km (0.103 R)
• M3: 982,260 km (0.106 R)
• M4: 1,784,254 km (0.117 R)
• M5: 2,397,455 km (0.056 R)
• M6: 2,996,296 km (0.083 R)
• M7: 3,503,732 km (0.103 R)
• M8: 4,183,205 km (0.057 R)
• M9: 4,591,757 km (0.05 R)
• M10: 6,010,244 km (0.086 R)
• M11: 7,526,568 km (0.044 R)
• M12: 7,915,672 km (0.057 R)
• M13: 9,444,862 km (0.118 R)
• M14: 10,365,487 km (0.103 R)
• M15: 11,575,883 km (0.068 R)
• M16: 13,694,638 km (0.112 R)
• M17: 14,222,270 km (0.12 R)
• M18: 15,543,967 km (0.12 R)
• M19: 16,706,492 km (0.029 R)
• M20: 17,370,108 km (0.115 R)
• M21: 18,621,644 km (0.109 R)
• M22: 19,932,271 km (0.08 R)
• M23: 20,337,232 km (0.078 R)
• M24: 21,163,611 km (0.057 R)
• M25: 21,655,937 km (0.109 R)
• M26: 23,402,044 km (0.088 R)
• M27: 25,555,655 km (0.115 R)
• M28: 27,007,951 km (0.054 R)
• M29: 28,514,551 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186

Radius: 13.9

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.1 AU - 6.68 AU

Year: 8487 Days

Day: 12.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,883,671 km

• M1: 479,461 km (0.083 R)
• M2: 1,813,126 km (0.113 R)
• M3: 2,692,612 km (0.096 R)
• M4: 4,575,451 km (0.105 R)
• M5: 5,266,743 km (0.09 R)
• M6: 5,737,228 km (0.08 R)
• M7: 7,489,617 km (0.101 R)
• M8: 9,861,940 km (0.062 R)
• M9: 20,063,169 km (0.049 R)
• M10: 21,494,671 km (0.073 R)
• M11: 26,198,178 km (0.104 R)
• M12: 27,658,702 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 744

Radius: 4.5

Gravity: 36.74 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.72 AU - 8.36 AU

Year: 15462 Days

Day: 19.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,883,671 km

• M1: 55,950 km (0.11 R)
• M2: 269,426 km (0.085 R)
• M3: 414,835 km (0.075 R)
• M4: 1,035,965 km (0.035 R)
• M5: 1,501,065 km (0.085 R)
• M6: 1,923,679 km (0.086 R)
• M7: 2,113,519 km (0.095 R)
• M8: 2,735,696 km (0.119 R)
• M9: 3,178,656 km (0.075 R)
• M10: 3,696,713 km (0.101 R)
• M11: 7,335,980 km (0.032 R)
• M12: 12,899,675 km (0.067 R)
• M13: 13,575,558 km (0.115 R)
• M14: 14,705,620 km (0.053 R)
• M15: 18,385,429 km (0.063 R)
• M16: 18,895,258 km (0.108 R)
• M17: 20,481,594 km (0.086 R)
• M18: 22,154,547 km (0.076 R)
• M19: 23,417,901 km (0.027 R)
• M20: 24,016,891 km (0.037 R)
• M21: 27,716,147 km (0.085 R)
• M22: 31,535,530 km (0.041 R)
• M23: 34,652,252 km (0.08 R)
• M24: 38,517,562 km (0.109 R)
• M25: 39,491,893 km (0.096 R)
• M26: 40,339,963 km (0.093 R)
• M27: 46,619,035 km (0.06 R)
• M28: 49,661,856 km (0.101 R)
• M29: 50,981,608 km (0.081 R)
• M30: 52,324,698 km (0.101 R)
• M31: 57,210,863 km (0.073 R)
• M32: 58,843,874 km (0.092 R)
• M33: 62,583,222 km (0.113 R)
• M34: 64,122,285 km (0.063 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 532 - 14,894 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit