🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.6

Radius: 13.1

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.44 AU - 0.72 AU

Year: 300 Days

Day: 12.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 88,537,136 km

• M1: 162,912 km (0.089 R)
• M2: 613,052 km (0.059 R)
• M3: 1,039,705 km (0.091 R)
• M4: 1,534,425 km (0.115 R)
• M5: 2,446,673 km (0.106 R)
• M6: 2,890,530 km (0.074 R)
• M7: 3,323,167 km (0.072 R)
• M8: 3,811,155 km (0.1 R)
• M9: 4,412,389 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.2

Radius: 10.2

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.78 AU - 1.16 AU

Year: 648 Days

Day: 6.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,537,136 km

• M1: 126,859 km (0.098 R)
• M2: 811,718 km (0.069 R)
• M3: 1,178,083 km (0.107 R)
• M4: 1,687,015 km (0.045 R)
• M5: 2,029,146 km (0.07 R)
• M6: 3,411,579 km (0.092 R)
• M7: 3,783,629 km (0.107 R)
• M8: 4,286,727 km (0.065 R)
• M9: 4,850,412 km (0.073 R)
• M10: 5,374,902 km (0.114 R)
• M11: 6,904,241 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217

Radius: 11.2

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.76 AU - 5.8 AU

Year: 8229 Days

Day: 9.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 88,537,136 km

• M1: 150,346 km (0.111 R)
• M2: 807,230 km (0.086 R)
• M3: 1,833,023 km (0.075 R)
• M4: 2,689,620 km (0.089 R)
• M5: 3,539,934 km (0.094 R)
• M6: 3,949,384 km (0.097 R)
• M7: 6,399,947 km (0.09 R)
• M8: 7,245,324 km (0.113 R)
• M9: 13,073,956 km (0.114 R)
• M10: 15,034,885 km (0.116 R)
• M11: 19,998,991 km (0.099 R)
• M12: 22,959,234 km (0.115 R)
• M13: 28,098,070 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 22.8

Radius: 6.2

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.74 AU - 5.8 AU

Year: 9401 Days

Day: 24.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 88,537,136 km

• M1: 77,342 km (0.083 R)
• M2: 344,823 km (0.113 R)
• M3: 568,472 km (0.039 R)
• M4: 804,687 km (0.105 R)
• M5: 2,099,307 km (0.112 R)
• M6: 3,881,616 km (0.067 R)
• M7: 4,251,422 km (0.036 R)
• M8: 4,912,495 km (0.104 R)
• M9: 7,528,812 km (0.117 R)
• M10: 8,957,920 km (0.069 R)
• M11: 10,176,395 km (0.071 R)
• M12: 10,771,645 km (0.077 R)
• M13: 11,205,629 km (0.114 R)
• M14: 11,501,383 km (0.067 R)
• M15: 12,185,943 km (0.12 R)
• M16: 12,380,720 km (0.103 R)

Asteroid Belt

Center: 6.54 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.6

Radius: 8

Gravity: 13.62 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 6.2 AU - 8.42 AU

Year: 13405 Days

Day: 23.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 88,537,136 km

• M1: 99,632 km (0.073 R)
• M2: 492,177 km (0.046 R)
• M3: 743,801 km (0.071 R)
• M4: 1,004,101 km (0.113 R)
• M5: 1,439,431 km (0.08 R)
• M6: 1,853,368 km (0.11 R)
• M7: 2,385,936 km (0.1 R)
• M8: 2,688,423 km (0.063 R)
• M9: 3,782,133 km (0.111 R)
• M10: 4,444,852 km (0.108 R)
• M11: 5,844,639 km (0.045 R)
• M12: 7,072,090 km (0.102 R)
• M13: 10,193,599 km (0.029 R)
• M14: 10,877,710 km (0.058 R)
• M15: 11,531,453 km (0.077 R)
• M16: 11,898,865 km (0.109 R)
• M17: 14,622,294 km (0.102 R)
• M18: 16,549,713 km (0.119 R)
• M19: 20,187,185 km (0.07 R)
• M20: 20,991,872 km (0.08 R)
• M21: 23,048,544 km (0.119 R)
• M22: 24,425,144 km (0.087 R)
• M23: 31,898,156 km (0.115 R)
• M24: 36,019,128 km (0.052 R)
• M25: 38,545,986 km (0.103 R)
• M26: 40,763,475 km (0.069 R)
• M27: 41,473,616 km (0.106 R)
• M28: 46,831,613 km (0.108 R)
• M29: 49,514,801 km (0.082 R)
• M30: 50,160,764 km (0.046 R)
• M31: 55,358,692 km (0.091 R)
• M32: 56,580,159 km (0.043 R)
• M33: 57,998,047 km (0.079 R)
• M34: 59,621,334 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 838.2

Radius: 5.6

Gravity: 26.73 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 8.92 AU - 11.78 AU

Year: 22584 Days

Day: 21.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 88,537,136 km

• M1: 70,909 km (0.075 R)
• M2: 281,842 km (0.11 R)
• M3: 465,698 km (0.118 R)
• M4: 921,822 km (0.047 R)
• M5: 2,646,087 km (0.096 R)
• M6: 3,068,851 km (0.066 R)
• M7: 4,392,941 km (0.099 R)
• M8: 6,649,625 km (0.1 R)
• M9: 8,321,382 km (0.108 R)
• M10: 10,444,175 km (0.1 R)
• M11: 10,829,839 km (0.11 R)
• M12: 15,144,540 km (0.112 R)
• M13: 15,889,987 km (0.065 R)
• M14: 16,400,265 km (0.101 R)
• M15: 19,791,349 km (0.093 R)
• M16: 21,598,342 km (0.086 R)
• M17: 27,189,563 km (0.107 R)
• M18: 32,032,494 km (0.043 R)
• M19: 36,974,460 km (0.063 R)
• M20: 50,308,717 km (0.098 R)
• M21: 56,550,239 km (0.083 R)
• M22: 60,986,115 km (0.065 R)
• M23: 72,149,258 km (0.114 R)
• M24: 80,301,893 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 759.6

Radius: 5.9

Gravity: 21.82 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 9.81 AU - 11.65 AU

Year: 23839 Days

Day: 22.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 88,537,136 km

• M1: 73,453 km (0.105 R)
• M2: 263,292 km (0.082 R)
• M3: 624,422 km (0.08 R)
• M4: 1,094,458 km (0.08 R)
• M5: 2,142,840 km (0.095 R)
• M6: 2,461,932 km (0.092 R)
• M7: 4,269,972 km (0.116 R)
• M8: 5,043,393 km (0.109 R)
• M9: 5,361,438 km (0.071 R)
• M10: 8,351,451 km (0.099 R)
• M11: 9,674,494 km (0.108 R)
• M12: 12,801,389 km (0.043 R)
• M13: 13,243,600 km (0.092 R)
• M14: 13,925,916 km (0.09 R)
• M15: 16,803,581 km (0.097 R)
• M16: 25,854,701 km (0.049 R)
• M17: 29,134,485 km (0.105 R)
• M18: 34,770,883 km (0.114 R)
• M19: 35,486,859 km (0.111 R)
• M20: 37,096,233 km (0.041 R)
• M21: 37,994,418 km (0.114 R)
• M22: 39,523,309 km (0.092 R)
• M23: 42,703,161 km (0.072 R)
• M24: 44,522,869 km (0.094 R)
• M25: 46,221,404 km (0.115 R)
• M26: 49,566,711 km (0.115 R)
• M27: 51,206,304 km (0.076 R)
• M28: 54,978,414 km (0.091 R)
• M29: 55,949,604 km (0.107 R)
• M30: 63,070,313 km (0.075 R)
• M31: 67,177,672 km (0.066 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: 171 - 16,241 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit