🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.1

Radius: 13.9

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.6 AU - 0.92 AU

Year: 457 Days

Day: 10 Hours

Environment

Temp: -153 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,719,502 km

• M1: 172,935 km (0.114 R)
• M2: 615,745 km (0.075 R)
• M3: 1,080,545 km (0.104 R)
• M4: 1,919,041 km (0.1 R)
• M5: 2,543,762 km (0.089 R)
• M6: 2,977,297 km (0.086 R)
• M7: 4,292,711 km (0.113 R)
• M8: 4,803,438 km (0.104 R)
• M9: 5,287,686 km (0.062 R)
• M10: 6,223,571 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.4

Radius: 12.7

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.84 AU - 0.92 AU

Year: 570 Days

Day: 8.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 139.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,719,502 km

• M1: 159,172 km (0.111 R)
• M2: 661,372 km (0.063 R)
• M3: 1,361,191 km (0.043 R)
• M4: 2,259,526 km (0.113 R)
• M5: 3,092,038 km (0.097 R)
• M6: 3,497,149 km (0.08 R)
• M7: 4,145,806 km (0.082 R)

Asteroid Belt

Center: 1.26 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.1

Radius: 14.3

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.6 AU - 1.68 AU

Year: 1450 Days

Day: 7.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,719,502 km

• M1: 178,171 km (0.102 R)
• M2: 763,697 km (0.117 R)
• M3: 1,476,531 km (0.064 R)
• M4: 2,222,426 km (0.094 R)
• M5: 2,672,117 km (0.117 R)
• M6: 3,142,602 km (0.058 R)
• M7: 3,729,176 km (0.104 R)
• M8: 4,809,871 km (0.099 R)
• M9: 5,277,663 km (0.096 R)
• M10: 5,858,701 km (0.11 R)
• M11: 7,293,495 km (0.048 R)
• M12: 9,203,411 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.8

Radius: 11.3

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.17 AU - 3.75 AU

Year: 4442 Days

Day: 5.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,719,502 km

• M1: 140,472 km (0.095 R)
• M2: 860,936 km (0.055 R)
• M3: 1,228,647 km (0.096 R)
• M4: 1,604,587 km (0.12 R)
• M5: 2,102,448 km (0.084 R)
• M6: 3,392,132 km (0.116 R)
• M7: 5,233,831 km (0.039 R)
• M8: 5,783,304 km (0.065 R)
• M9: 6,662,790 km (0.06 R)
• M10: 7,273,897 km (0.109 R)
• M11: 8,530,071 km (0.092 R)
• M12: 9,087,472 km (0.11 R)
• M13: 13,640,334 km (0.096 R)
• M14: 14,738,981 km (0.115 R)
• M15: 19,050,541 km (0.12 R)
• M16: 20,073,192 km (0.106 R)
• M17: 25,415,332 km (0.088 R)
• M18: 27,846,148 km (0.083 R)
• M19: 31,260,719 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.2

Radius: 9.5

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.06 AU - 4.74 AU

Year: 6371 Days

Day: 5.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,719,502 km

• M1: 119,230 km (0.064 R)
• M2: 499,058 km (0.102 R)
• M3: 873,502 km (0.067 R)
• M4: 1,171,052 km (0.087 R)
• M5: 2,108,881 km (0.119 R)
• M6: 2,608,388 km (0.046 R)
• M7: 3,362,063 km (0.08 R)
• M8: 3,714,515 km (0.068 R)
• M9: 4,592,655 km (0.058 R)
• M10: 5,161,127 km (0.111 R)
• M11: 5,660,335 km (0.047 R)
• M12: 6,283,260 km (0.041 R)
• M13: 7,388,040 km (0.113 R)
• M14: 8,279,494 km (0.088 R)
• M15: 10,709,712 km (0.051 R)
• M16: 11,662,500 km (0.106 R)
• M17: 13,323,186 km (0.091 R)
• M18: 15,191,813 km (0.082 R)
• M19: 18,534,877 km (0.079 R)
• M20: 18,855,465 km (0.032 R)
• M21: 22,411,407 km (0.091 R)
• M22: 23,217,141 km (0.066 R)
• M23: 25,750,132 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 243.1

Radius: 3.1

Gravity: 25.3 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 6.74 AU - 7.68 AU

Year: 13363 Days

Day: 19.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 52,719,502 km

• M1: 38,596 km (0.091 R)
• M2: 137,480 km (0.073 R)
• M3: 343,626 km (0.09 R)
• M4: 507,137 km (0.03 R)
• M5: 761,453 km (0.055 R)
• M6: 1,094,608 km (0.099 R)
• M7: 1,373,907 km (0.088 R)
• M8: 2,671,070 km (0.097 R)
• M9: 3,218,598 km (0.055 R)
• M10: 3,590,498 km (0.08 R)
• M11: 6,162,385 km (0.103 R)
• M12: 6,515,735 km (0.053 R)
• M13: 6,807,900 km (0.104 R)
• M14: 7,379,065 km (0.085 R)
• M15: 8,746,987 km (0.066 R)
• M16: 10,372,967 km (0.084 R)
• M17: 11,544,767 km (0.108 R)
• M18: 12,189,833 km (0.112 R)
• M19: 15,713,760 km (0.117 R)
• M20: 17,115,792 km (0.063 R)
• M21: 17,531,225 km (0.048 R)
• M22: 17,671,099 km (0.073 R)
• M23: 18,238,374 km (0.099 R)
• M24: 21,020,296 km (0.044 R)
• M25: 22,635,654 km (0.032 R)
• M26: 24,331,794 km (0.118 R)
• M27: 25,122,120 km (0.054 R)
• M28: 28,261,731 km (0.088 R)
• M29: 35,865,641 km (0.078 R)
• M30: 36,545,114 km (0.082 R)
• M31: 38,991,039 km (0.11 R)
• M32: 40,558,676 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319.3

Radius: 3.7

Gravity: 23.32 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 8.02 AU - 8.84 AU

Year: 16895 Days

Day: 16.2 Hours

Environment

Temp: -243 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,719,502 km

• M1: 46,076 km (0.091 R)
• M2: 227,389 km (0.119 R)
• M3: 436,527 km (0.108 R)
• M4: 820,694 km (0.061 R)
• M5: 961,166 km (0.077 R)
• M6: 1,202,318 km (0.073 R)
• M7: 3,005,272 km (0.118 R)
• M8: 3,391,833 km (0.044 R)
• M9: 3,545,170 km (0.045 R)
• M10: 4,263,240 km (0.107 R)
• M11: 4,813,910 km (0.097 R)
• M12: 5,549,782 km (0.032 R)
• M13: 5,981,222 km (0.056 R)
• M14: 9,197,576 km (0.103 R)
• M15: 19,870,636 km (0.108 R)
• M16: 20,035,792 km (0.093 R)
• M17: 23,168,372 km (0.103 R)
• M18: 33,901,121 km (0.086 R)
• M19: 37,935,327 km (0.074 R)
• M20: 40,265,015 km (0.079 R)
• M21: 46,068,066 km (0.102 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 17,846 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit