🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.9

Radius: 8.7

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.23 AU - 1.41 AU

Year: 964 Days

Day: 5.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,264,184 km

• M1: 108,309 km (0.075 R)
• M2: 734,825 km (0.114 R)
• M3: 1,010,384 km (0.079 R)
• M4: 1,298,809 km (0.113 R)
• M5: 1,703,621 km (0.065 R)
• M6: 2,209,411 km (0.055 R)
• M7: 2,538,676 km (0.1 R)
• M8: 2,990,611 km (0.07 R)
• M9: 4,241,100 km (0.075 R)
• M10: 4,706,050 km (0.088 R)
• M11: 5,649,414 km (0.109 R)
• M12: 6,027,149 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.2

Radius: 9

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.64 AU - 4.02 AU

Year: 3864 Days

Day: 13.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,264,184 km

• M1: 178,171 km (0.11 R)
• M2: 788,830 km (0.047 R)
• M3: 2,100,803 km (0.118 R)
• M4: 2,811,991 km (0.093 R)
• M5: 3,334,686 km (0.039 R)
• M6: 3,707,334 km (0.085 R)
• M7: 7,299,030 km (0.089 R)
• M8: 8,120,472 km (0.078 R)
• M9: 8,482,648 km (0.115 R)
• M10: 9,179,924 km (0.118 R)
• M11: 9,820,801 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.9

Radius: 11.6

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.8 AU - 3.94 AU

Year: 4841 Days

Day: 11.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,264,184 km

• M1: 144,362 km (0.106 R)
• M2: 676,631 km (0.086 R)
• M3: 1,044,642 km (0.061 R)
• M4: 1,564,046 km (0.098 R)
• M5: 1,941,032 km (0.046 R)
• M6: 2,614,821 km (0.096 R)
• M7: 3,946,691 km (0.044 R)
• M8: 5,510,737 km (0.114 R)
• M9: 6,083,098 km (0.104 R)
• M10: 6,728,164 km (0.059 R)
• M11: 8,462,901 km (0.07 R)
• M12: 9,603,286 km (0.09 R)
• M13: 10,568,940 km (0.052 R)
• M14: 11,841,270 km (0.091 R)
• M15: 12,287,221 km (0.096 R)
• M16: 13,531,726 km (0.085 R)
• M17: 15,671,574 km (0.046 R)
• M18: 17,577,151 km (0.072 R)
• M19: 20,825,370 km (0.033 R)
• M20: 29,106,360 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.5

Radius: 14.5

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.87 AU - 3.97 AU

Year: 4935 Days

Day: 11.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,264,184 km

• M1: 180,415 km (0.059 R)
• M2: 644,019 km (0.111 R)
• M3: 1,110,914 km (0.075 R)
• M4: 1,955,095 km (0.116 R)
• M5: 2,723,130 km (0.057 R)
• M6: 3,575,539 km (0.101 R)
• M7: 4,173,481 km (0.071 R)
• M8: 5,425,017 km (0.098 R)
• M9: 6,250,199 km (0.109 R)
• M10: 7,087,498 km (0.115 R)
• M11: 9,068,473 km (0.113 R)
• M12: 12,646,854 km (0.085 R)
• M13: 13,987,251 km (0.117 R)
• M14: 14,951,410 km (0.064 R)
• M15: 15,658,559 km (0.045 R)
• M16: 17,653,297 km (0.037 R)
• M17: 21,322,185 km (0.065 R)
• M18: 22,522,857 km (0.093 R)
• M19: 23,139,948 km (0.092 R)
• M20: 25,889,108 km (0.114 R)
• M21: 29,853,601 km (0.057 R)
• M22: 33,006,526 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.7

Radius: 14.5

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.15 AU - 4.93 AU

Year: 5163 Days

Day: 12.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,264,184 km

• M1: 180,565 km (0.074 R)
• M2: 756,217 km (0.078 R)
• M3: 1,302,549 km (0.07 R)
• M4: 1,760,617 km (0.028 R)
• M5: 2,424,383 km (0.113 R)
• M6: 3,434,468 km (0.091 R)
• M7: 4,189,638 km (0.112 R)
• M8: 5,791,532 km (0.061 R)
• M9: 6,864,747 km (0.115 R)
• M10: 9,240,062 km (0.064 R)
• M11: 9,825,289 km (0.109 R)
• M12: 12,022,283 km (0.036 R)
• M13: 13,235,971 km (0.1 R)
• M14: 17,431,293 km (0.086 R)
• M15: 18,522,460 km (0.048 R)
• M16: 19,932,869 km (0.08 R)
• M17: 24,199,550 km (0.085 R)
• M18: 27,559,817 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.2

Radius: 8.7

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.94 AU - 4.6 AU

Year: 5610 Days

Day: 14.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,264,184 km

• M1: 108,309 km (0.037 R)
• M2: 489,933 km (0.12 R)
• M3: 840,291 km (0.12 R)
• M4: 1,834,519 km (0.092 R)
• M5: 2,165,579 km (0.107 R)
• M6: 2,622,451 km (0.112 R)
• M7: 3,576,137 km (0.04 R)
• M8: 4,096,738 km (0.101 R)
• M9: 4,903,968 km (0.065 R)
• M10: 5,260,759 km (0.075 R)
• M11: 5,934,697 km (0.059 R)
• M12: 6,468,762 km (0.085 R)
• M13: 8,535,007 km (0.053 R)
• M14: 8,811,015 km (0.094 R)
• M15: 9,760,363 km (0.055 R)
• M16: 10,594,820 km (0.107 R)
• M17: 12,505,933 km (0.084 R)
• M18: 13,810,875 km (0.106 R)
• M19: 16,024,326 km (0.109 R)
• M20: 16,873,593 km (0.12 R)
• M21: 18,268,144 km (0.116 R)
• M22: 18,595,614 km (0.04 R)
• M23: 20,784,530 km (0.1 R)
• M24: 21,867,469 km (0.112 R)
• M25: 22,760,568 km (0.091 R)
• M26: 27,252,244 km (0.03 R)
• M27: 30,523,950 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413.3

Radius: 6.7

Gravity: 9.21 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 7.71 AU - 10.35 AU

Year: 17253 Days

Day: 17.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 58,264,184 km

• M1: 83,326 km (0.11 R)
• M2: 299,944 km (0.092 R)
• M3: 514,766 km (0.115 R)
• M4: 1,082,490 km (0.1 R)
• M5: 1,360,443 km (0.104 R)
• M6: 1,654,253 km (0.081 R)
• M7: 2,007,753 km (0.095 R)
• M8: 2,329,987 km (0.085 R)
• M9: 2,664,338 km (0.115 R)
• M10: 3,102,660 km (0.117 R)
• M11: 3,587,955 km (0.117 R)
• M12: 4,581,285 km (0.12 R)
• M13: 5,420,529 km (0.108 R)
• M14: 6,047,045 km (0.088 R)
• M15: 8,843,478 km (0.101 R)
• M16: 9,295,712 km (0.062 R)
• M17: 13,815,663 km (0.113 R)
• M18: 15,914,221 km (0.034 R)
• M19: 16,283,429 km (0.09 R)
• M20: 23,659,651 km (0.116 R)
• M21: 26,130,709 km (0.096 R)
• M22: 27,587,044 km (0.096 R)
• M23: 35,311,530 km (0.119 R)
• M24: 35,813,581 km (0.103 R)
• M25: 37,738,756 km (0.058 R)
• M26: 38,000,552 km (0.058 R)
• M27: 47,640,340 km (0.111 R)
• M28: 49,338,724 km (0.07 R)
• M29: 50,757,959 km (0.08 R)
• M30: 55,854,609 km (0.077 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 14,104 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit