🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.87 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.1

Radius: 8.6

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.71 AU - 1.75 AU

Year: 1517 Days

Day: 6.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,737,005 km

• M1: 106,962 km (0.05 R)
• M2: 383,719 km (0.11 R)
• M3: 859,290 km (0.114 R)
• M4: 1,132,605 km (0.111 R)
• M5: 1,818,512 km (0.115 R)
• M6: 2,238,283 km (0.058 R)
• M7: 2,572,036 km (0.05 R)
• M8: 2,963,683 km (0.083 R)
• M9: 4,734,324 km (0.114 R)
• M10: 6,374,814 km (0.077 R)
• M11: 8,670,244 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.8

Radius: 8.5

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.55 AU - 4.11 AU

Year: 4052 Days

Day: 11.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,737,005 km

• M1: 106,663 km (0.092 R)
• M2: 493,673 km (0.071 R)
• M3: 760,855 km (0.074 R)
• M4: 1,046,437 km (0.05 R)
• M5: 3,655,574 km (0.094 R)
• M6: 5,001,805 km (0.115 R)
• M7: 6,477,887 km (0.1 R)
• M8: 8,600,980 km (0.106 R)
• M9: 9,025,090 km (0.093 R)
• M10: 11,611,787 km (0.084 R)
• M11: 17,012,419 km (0.106 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 893

Radius: 6.4

Gravity: 21.8 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 6.61 AU - 10.21 AU

Year: 16264 Days

Day: 16.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 86,737,005 km

• M1: 79,586 km (0.102 R)
• M2: 447,746 km (0.101 R)
• M3: 1,395,449 km (0.081 R)
• M4: 2,632,175 km (0.093 R)
• M5: 3,101,912 km (0.096 R)
• M6: 4,175,576 km (0.067 R)
• M7: 6,325,896 km (0.119 R)
• M8: 6,938,499 km (0.096 R)
• M9: 8,179,862 km (0.068 R)
• M10: 10,848,838 km (0.117 R)
• M11: 12,049,061 km (0.113 R)
• M12: 12,312,653 km (0.107 R)
• M13: 14,193,397 km (0.105 R)
• M14: 22,129,415 km (0.027 R)
• M15: 25,534,561 km (0.114 R)
• M16: 28,451,720 km (0.116 R)
• M17: 30,841,396 km (0.11 R)
• M18: 32,464,533 km (0.1 R)
• M19: 34,143,769 km (0.086 R)
• M20: 36,700,846 km (0.081 R)
• M21: 38,664,766 km (0.057 R)
• M22: 51,592,117 km (0.06 R)
• M23: 51,939,034 km (0.059 R)
• M24: 57,516,492 km (0.087 R)
• M25: 59,587,824 km (0.047 R)
• M26: 61,903,599 km (0.118 R)
• M27: 68,580,002 km (0.092 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225.4

Radius: 5.7

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 7.75 AU - 10.41 AU

Year: 18246 Days

Day: 15.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 86,737,005 km

• M1: 110,553 km (0.101 R)
• M2: 378,183 km (0.081 R)
• M3: 744,549 km (0.087 R)
• M4: 1,249,591 km (0.072 R)
• M5: 2,132,368 km (0.075 R)
• M6: 2,908,631 km (0.054 R)
• M7: 3,111,785 km (0.117 R)
• M8: 3,397,368 km (0.095 R)
• M9: 5,596,008 km (0.105 R)
• M10: 5,804,996 km (0.086 R)
• M11: 8,058,089 km (0.114 R)
• M12: 8,460,358 km (0.099 R)
• M13: 11,944,343 km (0.026 R)
• M14: 12,764,139 km (0.097 R)
• M15: 15,999,343 km (0.108 R)
• M16: 16,209,378 km (0.109 R)
• M17: 16,491,968 km (0.064 R)
• M18: 20,227,427 km (0.098 R)
• M19: 20,886,406 km (0.082 R)
• M20: 24,956,216 km (0.062 R)
• M21: 28,590,098 km (0.051 R)
• M22: 34,155,587 km (0.098 R)
• M23: 35,681,635 km (0.118 R)
• M24: 37,007,820 km (0.064 R)
• M25: 40,531,299 km (0.114 R)
• M26: 41,842,076 km (0.064 R)
• M27: 47,945,968 km (0.075 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 896.5

Radius: 7

Gravity: 18.3 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 8.23 AU - 11.89 AU

Year: 21278 Days

Day: 24.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 86,737,005 km

• M1: 87,066 km (0.11 R)
• M2: 305,030 km (0.065 R)
• M3: 635,641 km (0.107 R)
• M4: 1,087,277 km (0.107 R)
• M5: 1,330,374 km (0.079 R)
• M6: 2,380,102 km (0.115 R)
• M7: 3,229,369 km (0.075 R)
• M8: 4,841,735 km (0.052 R)
• M9: 5,070,470 km (0.113 R)
• M10: 7,219,444 km (0.098 R)
• M11: 7,468,225 km (0.114 R)
• M12: 8,357,285 km (0.039 R)
• M13: 8,576,296 km (0.093 R)
• M14: 13,655,593 km (0.068 R)
• M15: 19,658,357 km (0.034 R)
• M16: 20,738,154 km (0.096 R)
• M17: 23,446,624 km (0.095 R)
• M18: 26,499,767 km (0.107 R)
• M19: 33,519,049 km (0.101 R)
• M20: 39,185,068 km (0.099 R)
• M21: 45,288,811 km (0.119 R)
• M22: 48,213,449 km (0.064 R)
• M23: 48,742,427 km (0.114 R)
• M24: 49,097,124 km (0.098 R)
• M25: 51,261,655 km (0.082 R)
• M26: 56,362,943 km (0.113 R)
• M27: 60,352,718 km (0.106 R)
• M28: 63,888,613 km (0.102 R)
• M29: 64,313,471 km (0.119 R)
• M30: 64,954,348 km (0.1 R)
• M31: 66,031,902 km (0.115 R)
• M32: 76,989,198 km (0.034 R)
• M33: 80,399,431 km (0.109 R)
• M34: 83,908,847 km (0.104 R)
• M35: 86,477,293 km (0.118 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 11,547 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit