🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.3

Radius: 14.3

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.43 AU - 0.59 AU

Year: 251 Days

Day: 13 Hours

Environment

Temp: -135 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 69,905,947 km

• M1: 178,321 km (0.103 R)
• M2: 628,311 km (0.056 R)
• M3: 1,319,902 km (0.062 R)
• M4: 1,874,910 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.8

Radius: 10.3

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.77 AU - 1.07 AU

Year: 609 Days

Day: 6.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,905,947 km

• M1: 128,205 km (0.026 R)
• M2: 585,825 km (0.111 R)
• M3: 953,387 km (0.116 R)
• M4: 1,566,140 km (0.049 R)
• M5: 1,893,161 km (0.11 R)
• M6: 2,218,237 km (0.086 R)
• M7: 2,570,391 km (0.107 R)
• M8: 3,151,130 km (0.064 R)
• M9: 3,532,305 km (0.082 R)
• M10: 4,015,955 km (0.108 R)
• M11: 4,449,789 km (0.066 R)
• M12: 4,832,310 km (0.102 R)
• M13: 5,219,470 km (0.111 R)
• M14: 6,447,070 km (0.101 R)
• M15: 6,917,256 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.5

Radius: 14.8

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.39 AU - 2.07 AU

Year: 1571 Days

Day: 7.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 149.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,905,947 km

• M1: 184,903 km (0.048 R)
• M2: 758,611 km (0.073 R)
• M3: 1,254,079 km (0.09 R)
• M4: 2,473,302 km (0.115 R)
• M5: 3,153,673 km (0.094 R)
• M6: 4,259,500 km (0.062 R)
• M7: 4,950,493 km (0.05 R)
• M8: 6,328,888 km (0.1 R)
• M9: 7,331,193 km (0.085 R)
• M10: 8,327,216 km (0.046 R)
• M11: 9,322,640 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.4

Radius: 15

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.92 AU - 3.14 AU

Year: 2778 Days

Day: 12.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,905,947 km

• M1: 186,549 km (0.093 R)
• M2: 933,341 km (0.104 R)
• M3: 1,480,720 km (0.11 R)
• M4: 2,758,585 km (0.039 R)
• M5: 3,332,891 km (0.102 R)
• M6: 4,304,679 km (0.11 R)
• M7: 4,791,620 km (0.03 R)
• M8: 6,425,378 km (0.11 R)
• M9: 7,746,028 km (0.108 R)
• M10: 8,733,673 km (0.043 R)
• M11: 10,577,168 km (0.071 R)
• M12: 11,671,476 km (0.117 R)
• M13: 13,187,800 km (0.098 R)
• M14: 14,642,939 km (0.076 R)
• M15: 17,284,987 km (0.098 R)
• M16: 18,250,641 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823

Radius: 14.9

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.83 AU - 3.43 AU

Year: 3822 Days

Day: 5.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,905,947 km

• M1: 187,446 km (0.099 R)
• M2: 1,091,765 km (0.106 R)
• M3: 1,942,828 km (0.119 R)
• M4: 2,455,649 km (0.027 R)
• M5: 3,340,221 km (0.085 R)
• M6: 4,198,464 km (0.064 R)
• M7: 7,237,994 km (0.108 R)
• M8: 7,988,078 km (0.105 R)
• M9: 10,898,354 km (0.113 R)
• M10: 12,543,931 km (0.108 R)
• M11: 14,455,044 km (0.042 R)
• M12: 15,926,339 km (0.075 R)
• M13: 16,438,263 km (0.065 R)
• M14: 16,961,257 km (0.072 R)
• M15: 17,857,647 km (0.055 R)
• M16: 23,399,650 km (0.095 R)
• M17: 26,361,389 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 969.3

Radius: 7.1

Gravity: 19.23 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 7.62 AU - 7.82 AU

Year: 14806 Days

Day: 19.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,905,947 km

• M1: 88,412 km (0.114 R)
• M2: 323,879 km (0.049 R)
• M3: 1,029,533 km (0.059 R)
• M4: 1,315,414 km (0.101 R)
• M5: 1,954,646 km (0.031 R)
• M6: 3,740,695 km (0.077 R)
• M7: 5,485,754 km (0.098 R)
• M8: 6,884,045 km (0.069 R)
• M9: 7,570,849 km (0.025 R)
• M10: 7,857,927 km (0.055 R)
• M11: 8,454,075 km (0.111 R)
• M12: 9,026,586 km (0.092 R)
• M13: 10,541,414 km (0.099 R)
• M14: 11,959,452 km (0.117 R)
• M15: 15,244,472 km (0.106 R)
• M16: 15,625,797 km (0.093 R)
• M17: 17,712,837 km (0.098 R)
• M18: 20,713,022 km (0.049 R)
• M19: 23,729,214 km (0.083 R)
• M20: 27,697,447 km (0.036 R)
• M21: 36,373,825 km (0.073 R)
• M22: 36,918,062 km (0.102 R)
• M23: 43,116,500 km (0.12 R)
• M24: 57,340,565 km (0.104 R)
• M25: 67,218,362 km (0.066 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 14,993 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit