🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.6

Radius: 9.3

Gravity: 10.49 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.7 AU - 0.78 AU

Year: 418 Days

Day: 14.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,821,485 km

• M1: 116,238 km (0.116 R)
• M2: 454,329 km (0.08 R)
• M3: 799,451 km (0.059 R)
• M4: 1,100,741 km (0.095 R)
• M5: 1,426,117 km (0.103 R)
• M6: 1,888,075 km (0.089 R)
• M7: 2,351,679 km (0.119 R)
• M8: 2,657,157 km (0.07 R)
• M9: 3,265,273 km (0.1 R)
• M10: 4,045,126 km (0.115 R)
• M11: 4,369,754 km (0.061 R)
• M12: 4,803,737 km (0.095 R)
• M13: 5,517,169 km (0.097 R)
• M14: 5,828,782 km (0.077 R)
• M15: 6,336,816 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291

Radius: 10

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.89 AU - 1.27 AU

Year: 736 Days

Day: 8.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,821,485 km

• M1: 124,615 km (0.084 R)
• M2: 530,474 km (0.108 R)
• M3: 850,015 km (0.107 R)
• M4: 1,249,591 km (0.073 R)
• M5: 1,653,954 km (0.067 R)
• M6: 2,101,551 km (0.068 R)
• M7: 2,489,159 km (0.095 R)
• M8: 3,001,831 km (0.115 R)
• M9: 3,434,468 km (0.082 R)
• M10: 3,802,479 km (0.063 R)
• M11: 4,648,155 km (0.08 R)
• M12: 5,295,017 km (0.059 R)
• M13: 5,666,319 km (0.103 R)
• M14: 5,982,868 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.8

Radius: 10

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.88 AU - 1.42 AU

Year: 809 Days

Day: 10 Hours

Environment

Temp: -165 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,821,485 km

• M1: 124,316 km (0.055 R)
• M2: 553,811 km (0.046 R)
• M3: 914,941 km (0.107 R)
• M4: 1,263,803 km (0.042 R)
• M5: 1,754,334 km (0.1 R)
• M6: 2,200,136 km (0.075 R)
• M7: 2,580,264 km (0.114 R)
• M8: 3,362,811 km (0.054 R)
• M9: 3,916,023 km (0.099 R)
• M10: 4,478,212 km (0.108 R)
• M11: 5,374,004 km (0.081 R)
• M12: 6,667,427 km (0.066 R)
• M13: 8,387,354 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 936.3

Radius: 6.9

Gravity: 19.67 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 6.89 AU - 10.07 AU

Year: 16200 Days

Day: 22.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,821,485 km

• M1: 85,869 km (0.115 R)
• M2: 629,209 km (0.082 R)
• M3: 1,800,261 km (0.08 R)
• M4: 2,025,256 km (0.089 R)
• M5: 2,719,540 km (0.088 R)
• M6: 12,819,042 km (0.065 R)
• M7: 13,516,018 km (0.048 R)
• M8: 14,459,382 km (0.105 R)
• M9: 27,669,173 km (0.118 R)
• M10: 28,362,560 km (0.032 R)
• M11: 31,626,935 km (0.092 R)
• M12: 33,414,180 km (0.038 R)
• M13: 34,731,390 km (0.11 R)
• M14: 48,014,334 km (0.061 R)
• M15: 55,496,172 km (0.117 R)
• M16: 65,740,635 km (0.102 R)
• M17: 66,767,474 km (0.086 R)
• M18: 69,275,632 km (0.073 R)
• M19: 70,125,498 km (0.041 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 277

Radius: 4.2

Gravity: 15.7 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 6.6 AU - 10.46 AU

Year: 16343 Days

Day: 20 Hours

Environment

Temp: -228 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 75,821,485 km

• M1: 53,855 km (0.071 R)
• M2: 469,289 km (0.068 R)
• M3: 714,479 km (0.109 R)
• M4: 1,189,453 km (0.071 R)
• M5: 2,069,537 km (0.073 R)
• M6: 2,231,551 km (0.097 R)
• M7: 2,769,356 km (0.025 R)
• M8: 3,196,458 km (0.075 R)
• M9: 3,589,003 km (0.119 R)
• M10: 5,656,894 km (0.104 R)
• M11: 6,193,202 km (0.067 R)
• M12: 6,341,753 km (0.091 R)
• M13: 6,880,604 km (0.061 R)
• M14: 8,225,789 km (0.097 R)
• M15: 8,587,666 km (0.106 R)
• M16: 8,865,918 km (0.107 R)
• M17: 10,348,582 km (0.041 R)
• M18: 11,203,235 km (0.108 R)
• M19: 13,112,702 km (0.067 R)
• M20: 14,240,521 km (0.041 R)
• M21: 14,894,263 km (0.108 R)
• M22: 16,615,686 km (0.035 R)
• M23: 22,568,036 km (0.115 R)
• M24: 27,437,895 km (0.065 R)
• M25: 27,738,437 km (0.118 R)
• M26: 31,191,156 km (0.117 R)
• M27: 32,626,398 km (0.057 R)
• M28: 44,337,069 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 867.1

Radius: 7.2

Gravity: 16.73 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 7.68 AU - 10.3 AU

Year: 17683 Days

Day: 19 Hours

Environment

Temp: -238 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 75,821,485 km

• M1: 89,609 km (0.095 R)
• M2: 1,216,979 km (0.079 R)
• M3: 2,434,107 km (0.089 R)
• M4: 2,761,876 km (0.119 R)
• M5: 3,039,978 km (0.12 R)
• M6: 3,535,297 km (0.034 R)
• M7: 4,616,590 km (0.098 R)
• M8: 5,700,427 km (0.115 R)
• M9: 6,068,886 km (0.109 R)
• M10: 7,902,208 km (0.082 R)
• M11: 8,360,576 km (0.119 R)
• M12: 9,785,047 km (0.114 R)
• M13: 10,433,853 km (0.096 R)
• M14: 12,689,490 km (0.11 R)
• M15: 13,106,269 km (0.09 R)
• M16: 14,188,460 km (0.113 R)
• M17: 20,791,561 km (0.109 R)
• M18: 21,079,986 km (0.088 R)
• M19: 22,765,056 km (0.079 R)
• M20: 24,431,277 km (0.105 R)
• M21: 25,512,870 km (0.105 R)
• M22: 33,333,996 km (0.095 R)
• M23: 33,994,471 km (0.071 R)
• M24: 35,205,316 km (0.066 R)
• M25: 35,752,545 km (0.119 R)
• M26: 36,028,254 km (0.112 R)
• M27: 37,712,576 km (0.11 R)
• M28: 38,574,260 km (0.104 R)
• M29: 39,595,864 km (0.112 R)
• M30: 40,635,419 km (0.086 R)
• M31: 45,782,484 km (0.084 R)
• M32: 46,270,921 km (0.082 R)
• M33: 47,757,026 km (0.092 R)
• M34: 53,478,247 km (0.107 R)
• M35: 55,852,066 km (0.119 R)
• M36: 56,409,617 km (0.102 R)
• M37: 61,005,114 km (0.082 R)
• M38: 67,512,023 km (0.118 R)
• M39: 71,805,183 km (0.119 R)
• M40: 73,795,134 km (0.081 R)
• M41: 75,141,963 km (0.11 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 18,309 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit