🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.8

Radius: 8.3

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.62 AU - 0.88 AU

Year: 441 Days

Day: 5.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 84,183,529 km

• M1: 103,223 km (0.097 R)
• M2: 410,646 km (0.082 R)
• M3: 729,888 km (0.052 R)
• M4: 1,030,131 km (0.116 R)
• M5: 1,339,649 km (0.12 R)
• M6: 2,202,081 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.9

Radius: 11.5

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.99 AU - 1.09 AU

Year: 719 Days

Day: 6.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,183,529 km

• M1: 143,016 km (0.077 R)
• M2: 518,357 km (0.09 R)
• M3: 994,527 km (0.083 R)
• M4: 1,551,779 km (0.074 R)
• M5: 2,170,516 km (0.055 R)
• M6: 2,548,549 km (0.044 R)
• M7: 3,133,776 km (0.113 R)
• M8: 3,516,448 km (0.089 R)
• M9: 4,085,069 km (0.063 R)
• M10: 4,682,862 km (0.108 R)
• M11: 5,185,661 km (0.049 R)
• M12: 6,204,572 km (0.102 R)
• M13: 6,592,180 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840

Radius: 13.9

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.57 AU - 2.51 AU

Year: 1976 Days

Day: 10.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,183,529 km

• M1: 172,935 km (0.079 R)
• M2: 619,784 km (0.104 R)
• M3: 1,096,253 km (0.107 R)
• M4: 1,543,102 km (0.066 R)
• M5: 2,175,751 km (0.092 R)
• M6: 2,856,571 km (0.099 R)
• M7: 3,297,735 km (0.079 R)
• M8: 3,730,373 km (0.027 R)
• M9: 4,201,157 km (0.071 R)
• M10: 4,669,548 km (0.104 R)
• M11: 5,809,783 km (0.104 R)
• M12: 6,713,204 km (0.049 R)
• M13: 7,241,734 km (0.108 R)
• M14: 8,133,038 km (0.108 R)
• M15: 9,399,683 km (0.076 R)
• M16: 13,505,397 km (0.074 R)
• M17: 14,124,732 km (0.095 R)
• M18: 15,950,574 km (0.03 R)
• M19: 16,743,442 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.9

Radius: 12.7

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.39 AU - 2.55 AU

Year: 2633 Days

Day: 11.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,183,529 km

• M1: 157,975 km (0.109 R)
• M2: 720,912 km (0.086 R)
• M3: 2,032,287 km (0.053 R)
• M4: 2,660,449 km (0.055 R)
• M5: 3,200,796 km (0.092 R)
• M6: 4,504,392 km (0.056 R)
• M7: 6,699,741 km (0.119 R)
• M8: 7,516,545 km (0.074 R)
• M9: 8,297,446 km (0.099 R)
• M10: 8,847,517 km (0.093 R)
• M11: 9,348,670 km (0.117 R)
• M12: 9,793,275 km (0.056 R)
• M13: 10,368,928 km (0.101 R)
• M14: 11,546,113 km (0.028 R)
• M15: 13,359,688 km (0.069 R)
• M16: 14,554,826 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.1

Radius: 8.9

Gravity: 11.22 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.14 AU - 5.98 AU

Year: 7720 Days

Day: 12.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,183,529 km

• M1: 110,702 km (0.098 R)
• M2: 546,930 km (0.112 R)
• M3: 1,170,155 km (0.076 R)
• M4: 1,631,365 km (0.062 R)
• M5: 2,280,171 km (0.118 R)
• M6: 3,362,511 km (0.094 R)
• M7: 5,466,306 km (0.04 R)
• M8: 6,353,571 km (0.046 R)
• M9: 13,729,494 km (0.074 R)
• M10: 18,259,168 km (0.064 R)
• M11: 19,150,323 km (0.073 R)
• M12: 21,342,081 km (0.066 R)
• M13: 22,247,298 km (0.109 R)
• M14: 24,666,445 km (0.085 R)
• M15: 26,780,562 km (0.066 R)
• M16: 30,636,896 km (0.07 R)
• M17: 32,859,322 km (0.099 R)
• M18: 36,565,460 km (0.094 R)
• M19: 38,700,072 km (0.112 R)
• M20: 40,916,364 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 968.1

Radius: 3.7

Gravity: 70.72 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 7.62 AU - 11.2 AU

Year: 19578 Days

Day: 21.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 84,183,529 km

• M1: 46,226 km (0.102 R)
• M2: 341,532 km (0.105 R)
• M3: 719,117 km (0.082 R)
• M4: 1,253,331 km (0.059 R)
• M5: 1,873,265 km (0.119 R)
• M6: 2,014,335 km (0.052 R)
• M7: 3,069,599 km (0.092 R)
• M8: 3,684,446 km (0.061 R)
• M9: 4,103,918 km (0.101 R)
• M10: 4,239,155 km (0.045 R)
• M11: 4,810,170 km (0.081 R)
• M12: 5,390,460 km (0.112 R)
• M13: 6,103,144 km (0.119 R)
• M14: 6,642,594 km (0.091 R)
• M15: 11,076,077 km (0.088 R)
• M16: 11,272,648 km (0.091 R)
• M17: 12,013,457 km (0.098 R)
• M18: 13,666,065 km (0.06 R)
• M19: 15,140,800 km (0.081 R)
• M20: 15,301,917 km (0.093 R)
• M21: 16,041,380 km (0.049 R)
• M22: 21,691,242 km (0.097 R)
• M23: 22,939,637 km (0.064 R)
• M24: 28,048,105 km (0.094 R)
• M25: 28,658,464 km (0.034 R)
• M26: 30,929,659 km (0.034 R)
• M27: 31,450,110 km (0.076 R)
• M28: 35,683,730 km (0.091 R)
• M29: 37,862,024 km (0.091 R)
• M30: 44,429,670 km (0.105 R)
• M31: 50,990,883 km (0.072 R)
• M32: 64,500,468 km (0.112 R)
• M33: 68,160,231 km (0.065 R)
• M34: 69,929,225 km (0.074 R)
• M35: 76,362,084 km (0.151 R)
• M36: 77,550,788 km (0.109 R)
• M37: 79,964,999 km (0.061 R)
• M38: 81,437,490 km (0.184 R)
• M39: 83,177,912 km (0.186 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: 235 - 12,576 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit