🌌 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: 25.4

Radius: 10.4

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.51 AU - 0.55 AU

Year: 266 Days

Day: 10.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 57,133,338 km

• M1: 129,402 km (0.12 R)
• M2: 555,158 km (0.118 R)
• M3: 945,159 km (0.115 R)
• M4: 1,297,762 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.5

Radius: 10.1

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.35 AU - 2.35 AU

Year: 2487 Days

Day: 6.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,133,338 km

• M1: 125,662 km (0.072 R)
• M2: 542,741 km (0.115 R)
• M3: 2,314,728 km (0.088 R)
• M4: 2,704,430 km (0.114 R)
• M5: 3,282,776 km (0.077 R)
• M6: 4,356,290 km (0.105 R)
• M7: 6,787,255 km (0.102 R)
• M8: 8,402,763 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.7

Radius: 10.7

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.18 AU - 5.4 AU

Year: 7236 Days

Day: 10.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 61.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,133,338 km

• M1: 135,685 km (0.117 R)
• M2: 635,043 km (0.098 R)
• M3: 1,118,094 km (0.066 R)
• M4: 1,534,126 km (0.113 R)
• M5: 3,843,468 km (0.116 R)
• M6: 6,899,903 km (0.104 R)
• M7: 13,045,383 km (0.075 R)
• M8: 13,739,816 km (0.113 R)
• M9: 15,911,529 km (0.084 R)
• M10: 17,845,380 km (0.034 R)
• M11: 18,302,851 km (0.077 R)
• M12: 19,105,294 km (0.083 R)
• M13: 20,996,510 km (0.054 R)
• M14: 22,024,846 km (0.09 R)
• M15: 23,086,392 km (0.054 R)
• M16: 30,646,620 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 991.5

Radius: 7.9

Gravity: 15.89 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 6.32 AU - 6.76 AU

Year: 11545 Days

Day: 21.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 57,133,338 km

• M1: 98,286 km (0.103 R)
• M2: 506,838 km (0.05 R)
• M3: 776,862 km (0.105 R)
• M4: 1,121,236 km (0.101 R)
• M5: 1,581,399 km (0.044 R)
• M6: 2,181,137 km (0.076 R)
• M7: 3,604,860 km (0.052 R)
• M8: 4,543,437 km (0.105 R)
• M9: 6,243,766 km (0.103 R)
• M10: 6,686,426 km (0.109 R)
• M11: 7,021,226 km (0.114 R)
• M12: 7,770,263 km (0.097 R)
• M13: 8,522,890 km (0.054 R)
• M14: 8,817,298 km (0.108 R)
• M15: 9,583,240 km (0.056 R)
• M16: 10,117,902 km (0.118 R)
• M17: 10,957,146 km (0.094 R)
• M18: 18,995,190 km (0.086 R)
• M19: 20,443,746 km (0.114 R)
• M20: 21,964,558 km (0.076 R)
• M21: 25,634,194 km (0.056 R)
• M22: 27,400,645 km (0.115 R)
• M23: 28,367,945 km (0.086 R)
• M24: 29,025,278 km (0.109 R)
• M25: 29,469,285 km (0.093 R)
• M26: 31,522,964 km (0.114 R)
• M27: 32,465,580 km (0.099 R)
• M28: 37,201,400 km (0.067 R)
• M29: 38,386,814 km (0.094 R)
• M30: 44,400,050 km (0.098 R)
• M31: 46,788,828 km (0.117 R)
• M32: 48,791,794 km (0.096 R)
• M33: 49,735,308 km (0.087 R)
• M34: 51,173,243 km (0.088 R)
• M35: 52,967,968 km (0.106 R)
• M36: 55,652,951 km (0.115 R)
• M37: 56,682,783 km (0.086 R)
• M38: 59,491,034 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 658.7

Radius: 3.3

Gravity: 60.49 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 6.69 AU - 7.09 AU

Year: 12484 Days

Day: 23.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,133,338 km

• M1: 167,101 km (0.112 R)
• M2: 393,742 km (0.078 R)
• M3: 506,389 km (0.112 R)
• M4: 897,438 km (0.114 R)
• M5: 1,433,896 km (0.119 R)
• M6: 1,565,841 km (0.08 R)
• M7: 1,770,640 km (0.083 R)
• M8: 2,083,300 km (0.102 R)
• M9: 2,370,977 km (0.111 R)
• M10: 5,445,961 km (0.112 R)
• M11: 5,915,249 km (0.103 R)
• M12: 6,410,867 km (0.066 R)
• M13: 7,527,765 km (0.12 R)
• M14: 7,792,403 km (0.072 R)
• M15: 10,902,094 km (0.11 R)
• M16: 11,183,937 km (0.102 R)
• M17: 13,943,120 km (0.112 R)
• M18: 14,817,370 km (0.051 R)
• M19: 15,093,528 km (0.118 R)
• M20: 20,413,976 km (0.11 R)
• M21: 24,101,713 km (0.076 R)
• M22: 24,772,659 km (0.11 R)
• M23: 25,554,757 km (0.091 R)
• M24: 27,374,017 km (0.034 R)
• M25: 28,315,287 km (0.11 R)
• M26: 31,155,253 km (0.106 R)
• M27: 31,494,690 km (0.043 R)
• M28: 32,065,855 km (0.118 R)
• M29: 33,701,857 km (0.087 R)
• M30: 42,029,522 km (0.1 R)
• M31: 49,295,939 km (0.057 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 885.1

Radius: 4.9

Gravity: 36.86 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.62 AU - 8.54 AU

Year: 14405 Days

Day: 20.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 57,133,338 km

• M1: 68,366 km (0.067 R)
• M2: 354,397 km (0.1 R)
• M3: 554,260 km (0.08 R)
• M4: 828,922 km (0.078 R)
• M5: 1,113,008 km (0.054 R)
• M6: 1,327,232 km (0.118 R)
• M7: 1,552,975 km (0.08 R)
• M8: 2,282,116 km (0.081 R)
• M9: 5,277,065 km (0.079 R)
• M10: 7,056,831 km (0.096 R)
• M11: 8,527,677 km (0.114 R)
• M12: 10,021,861 km (0.111 R)
• M13: 10,771,495 km (0.095 R)
• M14: 11,129,782 km (0.085 R)
• M15: 11,557,782 km (0.092 R)
• M16: 12,907,753 km (0.068 R)
• M17: 14,866,737 km (0.083 R)
• M18: 15,161,894 km (0.111 R)
• M19: 18,163,425 km (0.045 R)
• M20: 18,756,431 km (0.115 R)
• M21: 22,106,975 km (0.11 R)
• M22: 28,353,135 km (0.113 R)
• M23: 30,790,234 km (0.119 R)
• M24: 32,987,228 km (0.103 R)
• M25: 34,637,442 km (0.106 R)
• M26: 39,352,468 km (0.115 R)
• M27: 40,774,246 km (0.115 R)
• M28: 41,497,851 km (0.047 R)
• M29: 43,269,239 km (0.081 R)
• M30: 43,569,183 km (0.109 R)
• M31: 46,019,895 km (0.113 R)
• M32: 47,597,255 km (0.112 R)
• M33: 52,035,675 km (0.057 R)
• M34: 54,791,716 km (0.085 R)
• M35: 64,810,136 km (0.117 R)
• M36: 65,006,259 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.1

Radius: 5

Gravity: 10.28 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 8.45 AU - 11.19 AU

Year: 21241 Days

Day: 23.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,133,338 km

• M1: 63,579 km (0.119 R)
• M2: 247,136 km (0.1 R)
• M3: 738,565 km (0.112 R)
• M4: 1,136,345 km (0.088 R)
• M5: 3,047,757 km (0.081 R)
• M6: 3,218,598 km (0.099 R)
• M7: 3,995,610 km (0.109 R)
• M8: 7,722,092 km (0.115 R)
• M9: 8,752,523 km (0.04 R)
• M10: 12,389,546 km (0.05 R)
• M11: 19,221,082 km (0.074 R)
• M12: 19,637,563 km (0.066 R)
• M13: 21,098,685 km (0.086 R)
• M14: 22,172,648 km (0.12 R)
• M15: 25,313,306 km (0.104 R)
• M16: 32,931,129 km (0.077 R)
• M17: 36,236,195 km (0.096 R)
• M18: 41,114,731 km (0.109 R)
• M19: 44,502,823 km (0.097 R)
• M20: 44,938,901 km (0.102 R)
• M21: 45,524,876 km (0.119 R)
• M22: 48,224,968 km (0.088 R)
• M23: 50,397,428 km (0.093 R)
• M24: 54,271,864 km (0.093 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: 205 - 10,653 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit