🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.06 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.1

Radius: 11.5

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.68 AU - 2.54 AU

Year: 2079 Days

Day: 7.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,989,461 km

• M1: 143,016 km (0.07 R)
• M2: 683,961 km (0.036 R)
• M3: 1,100,442 km (0.104 R)
• M4: 1,643,632 km (0.118 R)
• M5: 2,188,916 km (0.114 R)
• M6: 2,592,382 km (0.105 R)
• M7: 4,165,254 km (0.114 R)
• M8: 4,600,284 km (0.09 R)
• M9: 5,166,662 km (0.089 R)
• M10: 6,023,708 km (0.056 R)
• M11: 6,605,943 km (0.069 R)
• M12: 7,829,055 km (0.093 R)
• M13: 8,988,588 km (0.077 R)
• M14: 10,853,625 km (0.1 R)
• M15: 11,228,068 km (0.12 R)
• M16: 11,788,013 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.5

Radius: 13.7

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.48 AU - 3.36 AU

Year: 3384 Days

Day: 6.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,989,461 km

• M1: 170,392 km (0.117 R)
• M2: 870,959 km (0.051 R)
• M3: 1,393,504 km (0.082 R)
• M4: 1,845,739 km (0.09 R)
• M5: 2,948,424 km (0.092 R)
• M6: 3,512,558 km (0.077 R)
• M7: 4,108,706 km (0.088 R)
• M8: 4,903,968 km (0.104 R)
• M9: 5,774,777 km (0.102 R)
• M10: 6,208,312 km (0.119 R)
• M11: 6,829,592 km (0.109 R)
• M12: 7,403,449 km (0.12 R)
• M13: 8,009,171 km (0.115 R)
• M14: 8,452,878 km (0.079 R)
• M15: 8,946,401 km (0.088 R)
• M16: 9,955,290 km (0.105 R)
• M17: 10,808,446 km (0.083 R)
• M18: 11,912,179 km (0.055 R)
• M19: 13,133,197 km (0.05 R)
• M20: 14,297,368 km (0.119 R)
• M21: 15,823,416 km (0.069 R)
• M22: 16,728,183 km (0.089 R)
• M23: 18,257,971 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.5

Radius: 13

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.98 AU - 5.3 AU

Year: 6779 Days

Day: 13.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,989,461 km

• M1: 162,164 km (0.096 R)
• M2: 607,218 km (0.104 R)
• M3: 1,284,597 km (0.115 R)
• M4: 1,772,436 km (0.085 R)
• M5: 4,496,314 km (0.112 R)
• M6: 4,934,037 km (0.041 R)
• M7: 7,875,430 km (0.038 R)
• M8: 11,028,205 km (0.065 R)
• M9: 13,047,926 km (0.078 R)
• M10: 15,061,065 km (0.067 R)
• M11: 15,734,554 km (0.06 R)
• M12: 22,730,200 km (0.054 R)
• M13: 26,239,317 km (0.058 R)
• M14: 26,679,883 km (0.08 R)
• M15: 27,848,242 km (0.108 R)
• M16: 34,945,315 km (0.091 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 814.1

Radius: 6.7

Gravity: 18.14 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.95 AU - 6.87 AU

Year: 11007 Days

Day: 21.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 60,989,461 km

• M1: 89,609 km (0.082 R)
• M2: 300,542 km (0.087 R)
• M3: 509,231 km (0.071 R)
• M4: 897,737 km (0.112 R)
• M5: 1,387,819 km (0.108 R)
• M6: 1,887,626 km (0.062 R)
• M7: 2,133,415 km (0.1 R)
• M8: 2,625,891 km (0.119 R)
• M9: 4,531,768 km (0.078 R)
• M10: 5,378,043 km (0.062 R)
• M11: 5,875,307 km (0.102 R)
• M12: 6,638,106 km (0.055 R)
• M13: 9,422,571 km (0.096 R)
• M14: 10,304,002 km (0.084 R)
• M15: 11,640,360 km (0.105 R)
• M16: 15,833,588 km (0.095 R)
• M17: 16,265,028 km (0.103 R)
• M18: 18,541,010 km (0.09 R)
• M19: 19,101,105 km (0.111 R)
• M20: 21,193,830 km (0.089 R)
• M21: 22,340,198 km (0.118 R)
• M22: 24,564,270 km (0.092 R)
• M23: 25,533,065 km (0.05 R)
• M24: 26,226,302 km (0.079 R)
• M25: 27,238,182 km (0.093 R)
• M26: 28,592,192 km (0.057 R)
• M27: 30,209,644 km (0.113 R)
• M28: 33,980,708 km (0.09 R)
• M29: 34,698,628 km (0.106 R)
• M30: 36,040,670 km (0.095 R)
• M31: 39,744,414 km (0.089 R)
• M32: 40,675,063 km (0.063 R)
• M33: 42,579,593 km (0.09 R)
• M34: 43,694,247 km (0.082 R)
• M35: 45,546,717 km (0.085 R)
• M36: 49,255,249 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224.1

Radius: 5.6

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 5.47 AU - 7.75 AU

Year: 11526 Days

Day: 24.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,989,461 km

• M1: 72,555 km (0.116 R)
• M2: 522,097 km (0.039 R)
• M3: 714,031 km (0.077 R)
• M4: 944,411 km (0.044 R)
• M5: 1,570,778 km (0.08 R)
• M6: 1,860,998 km (0.064 R)
• M7: 2,105,590 km (0.078 R)
• M8: 2,754,546 km (0.111 R)
• M9: 3,241,636 km (0.117 R)
• M10: 3,643,307 km (0.062 R)
• M11: 5,077,501 km (0.115 R)
• M12: 5,373,705 km (0.114 R)
• M13: 5,618,896 km (0.109 R)
• M14: 6,710,512 km (0.1 R)
• M15: 6,887,486 km (0.098 R)
• M16: 7,176,958 km (0.08 R)
• M17: 9,174,389 km (0.103 R)
• M18: 9,348,670 km (0.103 R)
• M19: 13,822,544 km (0.039 R)
• M20: 14,109,473 km (0.12 R)
• M21: 19,759,784 km (0.099 R)
• M22: 20,050,752 km (0.106 R)
• M23: 28,565,713 km (0.1 R)
• M24: 30,169,403 km (0.096 R)
• M25: 33,555,102 km (0.038 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 358.9

Radius: 5.1

Gravity: 13.8 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 7.68 AU - 11.3 AU

Year: 19829 Days

Day: 20.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,989,461 km

• M1: 63,429 km (0.119 R)
• M2: 299,196 km (0.095 R)
• M3: 468,241 km (0.119 R)
• M4: 905,666 km (0.057 R)
• M5: 1,085,632 km (0.078 R)
• M6: 2,653,268 km (0.103 R)
• M7: 2,882,302 km (0.104 R)
• M8: 3,225,180 km (0.079 R)
• M9: 6,189,163 km (0.118 R)
• M10: 6,388,876 km (0.073 R)
• M11: 9,185,309 km (0.108 R)
• M12: 9,393,101 km (0.074 R)
• M13: 9,657,141 km (0.045 R)
• M14: 10,035,025 km (0.072 R)
• M15: 10,366,833 km (0.086 R)
• M16: 10,535,430 km (0.035 R)
• M17: 10,705,822 km (0.09 R)
• M18: 16,034,797 km (0.112 R)
• M19: 16,564,673 km (0.063 R)
• M20: 17,184,307 km (0.067 R)
• M21: 18,142,631 km (0.067 R)
• M22: 21,050,814 km (0.06 R)
• M23: 21,412,093 km (0.074 R)
• M24: 22,333,466 km (0.118 R)
• M25: 26,076,255 km (0.101 R)
• M26: 30,907,967 km (0.111 R)
• M27: 32,441,944 km (0.12 R)
• M28: 34,026,185 km (0.109 R)
• M29: 36,433,065 km (0.113 R)
• M30: 40,599,815 km (0.103 R)
• M31: 42,151,594 km (0.12 R)
• M32: 50,024,331 km (0.096 R)
• M33: 56,186,567 km (0.098 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 12,127 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit