🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.27 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.9

Radius: 13.2

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.01 AU - 3.07 AU

Year: 2746 Days

Day: 9.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,572,147 km

• M1: 164,258 km (0.097 R)
• M2: 624,571 km (0.095 R)
• M3: 1,350,270 km (0.097 R)
• M4: 1,866,682 km (0.105 R)
• M5: 2,930,173 km (0.025 R)
• M6: 3,342,166 km (0.112 R)
• M7: 3,847,657 km (0.119 R)
• M8: 4,284,633 km (0.097 R)
• M9: 5,058,054 km (0.092 R)
• M10: 6,508,106 km (0.104 R)
• M11: 7,301,423 km (0.086 R)
• M12: 8,755,215 km (0.106 R)
• M13: 9,687,958 km (0.034 R)
• M14: 12,719,858 km (0.089 R)
• M15: 13,828,229 km (0.069 R)
• M16: 16,188,434 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.4

Radius: 14.4

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 3.09 AU - 4.91 AU

Year: 5426 Days

Day: 6.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,572,147 km

• M1: 180,864 km (0.044 R)
• M2: 641,625 km (0.093 R)
• M3: 1,140,983 km (0.099 R)
• M4: 1,590,225 km (0.054 R)
• M5: 2,348,687 km (0.109 R)
• M6: 2,967,124 km (0.093 R)
• M7: 3,610,694 km (0.056 R)
• M8: 4,072,652 km (0.076 R)
• M9: 4,770,377 km (0.106 R)
• M10: 5,839,254 km (0.057 R)
• M11: 6,984,425 km (0.093 R)
• M12: 9,177,680 km (0.105 R)
• M13: 10,178,938 km (0.117 R)
• M14: 12,552,757 km (0.095 R)
• M15: 13,704,511 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.9

Radius: 8.1

Gravity: 13.27 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.57 AU - 4.63 AU

Year: 5631 Days

Day: 8.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,572,147 km

• M1: 100,679 km (0.12 R)
• M2: 362,476 km (0.1 R)
• M3: 842,984 km (0.066 R)
• M4: 1,102,536 km (0.106 R)
• M5: 1,428,061 km (0.106 R)
• M6: 1,992,644 km (0.072 R)
• M7: 2,967,124 km (0.037 R)
• M8: 3,275,445 km (0.073 R)
• M9: 4,647,856 km (0.117 R)
• M10: 5,008,238 km (0.086 R)
• M11: 6,812,986 km (0.111 R)
• M12: 8,353,695 km (0.119 R)
• M13: 12,004,780 km (0.053 R)
• M14: 12,315,346 km (0.109 R)
• M15: 13,892,406 km (0.029 R)
• M16: 15,722,587 km (0.101 R)
• M17: 20,582,423 km (0.099 R)
• M18: 26,011,928 km (0.105 R)
• M19: 27,326,145 km (0.094 R)
• M20: 27,954,457 km (0.109 R)
• M21: 28,226,575 km (0.098 R)
• M22: 30,276,963 km (0.092 R)
• M23: 32,825,812 km (0.109 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 811.4

Radius: 7.3

Gravity: 15.23 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 5.62 AU - 8.78 AU

Year: 13104 Days

Day: 15.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 38,572,147 km

• M1: 160,967 km (0.12 R)
• M2: 394,041 km (0.043 R)
• M3: 628,610 km (0.087 R)
• M4: 939,624 km (0.026 R)
• M5: 1,794,426 km (0.106 R)
• M6: 2,077,765 km (0.113 R)
• M7: 2,758,136 km (0.11 R)
• M8: 3,497,598 km (0.105 R)
• M9: 3,828,060 km (0.102 R)
• M10: 4,059,787 km (0.108 R)
• M11: 5,082,288 km (0.116 R)
• M12: 7,181,446 km (0.105 R)
• M13: 8,134,683 km (0.081 R)
• M14: 12,993,473 km (0.105 R)
• M15: 13,652,750 km (0.072 R)
• M16: 15,181,491 km (0.116 R)
• M17: 17,445,356 km (0.102 R)
• M18: 18,823,451 km (0.079 R)
• M19: 19,326,699 km (0.084 R)
• M20: 23,295,081 km (0.044 R)
• M21: 24,464,787 km (0.098 R)
• M22: 28,978,454 km (0.058 R)
• M23: 29,649,251 km (0.088 R)
• M24: 33,281,637 km (0.113 R)
• M25: 33,525,631 km (0.119 R)
• M26: 36,160,797 km (0.059 R)
• M27: 40,994,005 km (0.11 R)
• M28: 45,187,383 km (0.118 R)
• M29: 45,636,775 km (0.111 R)
• M30: 45,938,065 km (0.116 R)
• M31: 46,544,685 km (0.09 R)
• M32: 51,428,008 km (0.069 R)
• M33: 51,917,941 km (0.069 R)
• M34: 57,690,324 km (0.076 R)
• M35: 58,396,277 km (0.115 R)
• M36: 59,286,983 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76.9

Radius: 6.9

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 9.5 AU - 10.56 AU

Year: 21545 Days

Day: 19.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,572,147 km

• M1: 85,869 km (0.078 R)
• M2: 306,526 km (0.12 R)
• M3: 530,025 km (0.095 R)
• M4: 762,201 km (0.03 R)
• M5: 1,177,784 km (0.102 R)
• M6: 1,652,458 km (0.077 R)
• M7: 2,003,863 km (0.119 R)
• M8: 2,404,038 km (0.115 R)
• M9: 2,680,495 km (0.08 R)
• M10: 3,930,534 km (0.106 R)
• M11: 4,158,522 km (0.066 R)
• M12: 5,591,520 km (0.077 R)
• M13: 6,559,119 km (0.117 R)
• M14: 7,990,022 km (0.093 R)
• M15: 9,125,620 km (0.089 R)
• M16: 9,755,128 km (0.101 R)
• M17: 12,080,626 km (0.118 R)
• M18: 16,517,849 km (0.102 R)
• M19: 18,845,741 km (0.108 R)
• M20: 20,767,176 km (0.105 R)
• M21: 21,151,045 km (0.075 R)
• M22: 26,223,908 km (0.037 R)
• M23: 29,087,960 km (0.047 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: 381 - 12,600 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit