🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.9

Radius: 13.9

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.51 AU - 0.55 AU

Year: 266 Days

Day: 12.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 53,838,203 km

• M1: 174,132 km (0.073 R)
• M2: 612,304 km (0.049 R)
• M3: 1,105,678 km (0.118 R)
• M4: 1,758,373 km (0.111 R)
• M5: 2,200,435 km (0.096 R)
• M6: 2,911,025 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.4

Radius: 9.7

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.51 AU - 0.55 AU

Year: 266 Days

Day: 7.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,838,203 km

• M1: 120,725 km (0.112 R)
• M2: 473,776 km (0.062 R)
• M3: 1,100,442 km (0.109 R)
• M4: 1,448,556 km (0.108 R)
• M5: 1,951,205 km (0.08 R)
• M6: 2,331,632 km (0.117 R)
• M7: 2,639,954 km (0.096 R)
• M8: 3,972,871 km (0.112 R)
• M9: 4,415,980 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212

Radius: 14.1

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.02 AU - 1.6 AU

Year: 1035 Days

Day: 13.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,838,203 km

• M1: 175,329 km (0.105 R)
• M2: 745,297 km (0.061 R)
• M3: 1,412,802 km (0.056 R)
• M4: 1,910,365 km (0.037 R)
• M5: 2,416,155 km (0.105 R)
• M6: 3,104,754 km (0.07 R)
• M7: 4,278,050 km (0.119 R)
• M8: 4,813,910 km (0.08 R)
• M9: 5,639,690 km (0.087 R)
• M10: 6,538,175 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.3

Radius: 12.6

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.6 AU - 3.54 AU

Year: 3713 Days

Day: 5.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,838,203 km

• M1: 171,439 km (0.087 R)
• M2: 845,378 km (0.063 R)
• M3: 1,412,952 km (0.03 R)
• M4: 1,898,696 km (0.077 R)
• M5: 2,380,850 km (0.112 R)
• M6: 3,180,600 km (0.064 R)
• M7: 3,788,566 km (0.12 R)
• M8: 4,997,915 km (0.079 R)
• M9: 5,436,985 km (0.064 R)
• M10: 6,171,660 km (0.111 R)
• M11: 6,912,020 km (0.099 R)
• M12: 8,034,004 km (0.095 R)
• M13: 8,673,385 km (0.099 R)
• M14: 9,529,085 km (0.101 R)
• M15: 11,038,976 km (0.096 R)
• M16: 15,735,003 km (0.12 R)
• M17: 16,415,973 km (0.051 R)
• M18: 17,336,000 km (0.097 R)
• M19: 17,780,754 km (0.103 R)
• M20: 18,233,138 km (0.112 R)
• M21: 19,397,758 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.2

Radius: 12.8

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.06 AU - 5.1 AU

Year: 5689 Days

Day: 12.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,838,203 km

• M1: 159,172 km (0.105 R)
• M2: 994,826 km (0.045 R)
• M3: 1,706,912 km (0.084 R)
• M4: 2,575,028 km (0.078 R)
• M5: 3,765,378 km (0.106 R)
• M6: 4,644,415 km (0.083 R)
• M7: 5,563,844 km (0.083 R)
• M8: 6,879,707 km (0.082 R)
• M9: 7,878,721 km (0.119 R)
• M10: 9,228,543 km (0.116 R)
• M11: 10,256,879 km (0.042 R)
• M12: 10,679,493 km (0.081 R)
• M13: 12,435,173 km (0.06 R)
• M14: 12,970,435 km (0.042 R)
• M15: 15,694,911 km (0.088 R)
• M16: 18,297,316 km (0.087 R)
• M17: 20,651,088 km (0.063 R)
• M18: 24,176,961 km (0.055 R)
• M19: 24,675,570 km (0.08 R)
• M20: 30,333,811 km (0.081 R)
• M21: 30,914,101 km (0.104 R)
• M22: 31,997,189 km (0.026 R)
• M23: 33,105,410 km (0.108 R)
• M24: 35,291,783 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.3

Radius: 14.5

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.86 AU - 4.7 AU

Year: 6112 Days

Day: 7.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,838,203 km

• M1: 180,864 km (0.032 R)
• M2: 717,771 km (0.062 R)
• M3: 1,271,283 km (0.091 R)
• M4: 1,879,248 km (0.083 R)
• M5: 2,429,469 km (0.09 R)
• M6: 2,981,486 km (0.072 R)
• M7: 3,677,265 km (0.073 R)
• M8: 4,274,310 km (0.114 R)
• M9: 4,985,648 km (0.118 R)
• M10: 6,405,332 km (0.116 R)
• M11: 7,145,542 km (0.101 R)
• M12: 7,771,310 km (0.087 R)
• M13: 9,791,929 km (0.11 R)
• M14: 11,247,965 km (0.106 R)
• M15: 12,466,739 km (0.079 R)
• M16: 13,326,926 km (0.091 R)
• M17: 17,696,231 km (0.105 R)
• M18: 22,173,546 km (0.111 R)
• M19: 24,525,524 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.6

Radius: 14.4

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.05 AU - 5.59 AU

Year: 8470 Days

Day: 11.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,838,203 km

• M1: 179,218 km (0.025 R)
• M2: 665,860 km (0.088 R)
• M3: 1,158,486 km (0.105 R)
• M4: 1,844,243 km (0.088 R)
• M5: 2,336,120 km (0.068 R)
• M6: 2,792,843 km (0.047 R)
• M7: 3,402,155 km (0.098 R)
• M8: 4,073,101 km (0.108 R)
• M9: 8,841,833 km (0.094 R)
• M10: 9,726,106 km (0.057 R)
• M11: 10,771,196 km (0.102 R)
• M12: 13,620,886 km (0.095 R)
• M13: 20,447,187 km (0.077 R)
• M14: 21,088,961 km (0.066 R)
• M15: 21,744,051 km (0.106 R)
• M16: 22,328,380 km (0.076 R)
• M17: 23,703,334 km (0.046 R)
• M18: 26,057,107 km (0.099 R)
• M19: 27,483,822 km (0.053 R)
• M20: 29,771,921 km (0.064 R)
• M21: 31,120,097 km (0.107 R)
• M22: 35,408,619 km (0.039 R)
• M23: 37,514,808 km (0.113 R)
• M24: 38,114,396 km (0.034 R)
• M25: 41,975,816 km (0.092 R)
• M26: 45,138,914 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 769.9

Radius: 6.8

Gravity: 16.65 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.74 AU - 7.1 AU

Year: 11228 Days

Day: 19.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 53,838,203 km

• M1: 85,570 km (0.071 R)
• M2: 392,844 km (0.085 R)
• M3: 1,214,735 km (0.106 R)
• M4: 1,780,663 km (0.12 R)
• M5: 2,429,021 km (0.049 R)
• M6: 2,829,494 km (0.12 R)
• M7: 3,602,766 km (0.074 R)
• M8: 3,816,541 km (0.12 R)
• M9: 5,048,479 km (0.114 R)
• M10: 5,594,512 km (0.102 R)
• M11: 6,066,493 km (0.086 R)
• M12: 6,683,584 km (0.076 R)
• M13: 7,818,583 km (0.069 R)
• M14: 8,315,846 km (0.087 R)
• M15: 13,978,575 km (0.109 R)
• M16: 17,513,722 km (0.106 R)
• M17: 21,428,249 km (0.12 R)
• M18: 22,222,016 km (0.101 R)
• M19: 22,761,914 km (0.083 R)
• M20: 24,434,119 km (0.114 R)
• M21: 26,087,176 km (0.059 R)
• M22: 31,042,905 km (0.11 R)
• M23: 31,830,837 km (0.099 R)
• M24: 32,863,511 km (0.087 R)
• M25: 34,394,346 km (0.076 R)
• M26: 43,321,748 km (0.101 R)
• M27: 43,741,520 km (0.094 R)
• M28: 44,447,173 km (0.081 R)
• M29: 46,026,178 km (0.077 R)
• M30: 47,345,781 km (0.085 R)
• M31: 48,539,572 km (0.117 R)
• M32: 51,612,013 km (0.1 R)
• M33: 52,241,671 km (0.12 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 15,626 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit