🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175

Radius: 9.6

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.45 AU - 0.57 AU

Year: 256 Days

Day: 12.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 32,053,291 km

• M1: 120,875 km (0.104 R)
• M2: 714,779 km (0.115 R)
• M3: 1,049,279 km (0.111 R)
• M4: 1,406,070 km (0.091 R)
• M5: 1,939,985 km (0.114 R)
• M6: 2,552,289 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.1

Radius: 13.1

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.46 AU - 0.56 AU

Year: 256 Days

Day: 14.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 32,053,291 km

• M1: 164,707 km (0.102 R)
• M2: 590,164 km (0.043 R)
• M3: 1,065,436 km (0.09 R)
• M4: 1,578,557 km (0.038 R)
• M5: 2,123,093 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.5

Radius: 12

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.58 AU - 0.84 AU

Year: 421 Days

Day: 12.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,053,291 km

• M1: 149,299 km (0.105 R)
• M2: 586,723 km (0.075 R)
• M3: 996,322 km (0.086 R)
• M4: 1,412,952 km (0.076 R)
• M5: 1,947,465 km (0.111 R)
• M6: 2,585,350 km (0.06 R)
• M7: 3,085,157 km (0.063 R)
• M8: 3,648,991 km (0.081 R)
• M9: 4,421,215 km (0.067 R)
• M10: 5,108,618 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.2

Radius: 8.7

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.61 AU - 0.81 AU

Year: 421 Days

Day: 5.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,053,291 km

• M1: 108,309 km (0.112 R)
• M2: 459,864 km (0.11 R)
• M3: 799,301 km (0.107 R)
• M4: 1,162,525 km (0.095 R)
• M5: 2,403,140 km (0.108 R)
• M6: 2,703,832 km (0.072 R)
• M7: 3,029,656 km (0.03 R)
• M8: 3,393,478 km (0.105 R)
• M9: 3,902,260 km (0.078 R)
• M10: 4,404,161 km (0.098 R)
• M11: 4,767,235 km (0.042 R)
• M12: 5,040,850 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.4

Radius: 10.3

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.04 AU - 1.32 AU

Year: 901 Days

Day: 10 Hours

Environment

Temp: -174 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 32,053,291 km

• M1: 128,804 km (0.03 R)
• M2: 901,926 km (0.074 R)
• M3: 1,479,673 km (0.056 R)
• M4: 2,245,614 km (0.088 R)
• M5: 2,575,627 km (0.101 R)
• M6: 3,567,610 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347

Radius: 9.3

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.68 AU - 1.92 AU

Year: 1698 Days

Day: 5.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,053,291 km

• M1: 115,639 km (0.106 R)
• M2: 485,146 km (0.039 R)
• M3: 903,422 km (0.105 R)
• M4: 1,251,985 km (0.071 R)
• M5: 1,774,979 km (0.108 R)
• M6: 2,207,616 km (0.11 R)
• M7: 2,509,953 km (0.092 R)
• M8: 3,480,694 km (0.105 R)
• M9: 4,554,058 km (0.044 R)
• M10: 5,167,260 km (0.06 R)
• M11: 5,769,391 km (0.055 R)
• M12: 6,440,936 km (0.069 R)
• M13: 6,771,697 km (0.092 R)
• M14: 9,415,241 km (0.111 R)
• M15: 9,873,011 km (0.113 R)
• M16: 10,701,633 km (0.055 R)

Asteroid Belt

Center: 3.76 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129

Radius: 6.6

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.78 AU - 6.66 AU

Year: 9616 Days

Day: 19.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,053,291 km

• M1: 82,129 km (0.117 R)
• M2: 289,173 km (0.089 R)
• M3: 643,121 km (0.058 R)
• M4: 1,032,375 km (0.088 R)
• M5: 1,640,789 km (0.115 R)
• M6: 2,233,496 km (0.084 R)
• M7: 2,782,520 km (0.091 R)
• M8: 3,417,713 km (0.092 R)
• M9: 3,663,652 km (0.032 R)
• M10: 6,289,244 km (0.119 R)
• M11: 6,534,585 km (0.032 R)
• M12: 8,621,624 km (0.039 R)
• M13: 9,079,095 km (0.117 R)
• M14: 11,205,329 km (0.073 R)
• M15: 11,796,091 km (0.066 R)
• M16: 14,316,217 km (0.043 R)
• M17: 16,878,230 km (0.117 R)
• M18: 18,957,641 km (0.1 R)
• M19: 20,191,075 km (0.078 R)
• M20: 21,339,388 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 294.9

Radius: 7.5

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5 AU - 7.6 AU

Year: 11115 Days

Day: 17.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,053,291 km

• M1: 93,499 km (0.08 R)
• M2: 403,166 km (0.083 R)
• M3: 758,611 km (0.112 R)
• M4: 1,118,543 km (0.067 R)
• M5: 1,856,061 km (0.092 R)
• M6: 3,670,982 km (0.116 R)
• M7: 4,458,765 km (0.063 R)
• M8: 7,155,565 km (0.098 R)
• M9: 7,574,589 km (0.081 R)
• M10: 8,009,919 km (0.051 R)
• M11: 9,105,274 km (0.07 R)
• M12: 9,966,659 km (0.082 R)
• M13: 10,297,270 km (0.057 R)
• M14: 10,782,267 km (0.04 R)
• M15: 14,554,078 km (0.093 R)
• M16: 17,370,557 km (0.042 R)
• M17: 19,486,918 km (0.045 R)
• M18: 25,959,419 km (0.082 R)
• M19: 28,431,375 km (0.07 R)
• M20: 37,458,559 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 112

Radius: 3.4

Gravity: 9.69 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 6.08 AU - 8.28 AU

Year: 13524 Days

Day: 19.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 139.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 32,053,291 km

• M1: 43,832 km (0.111 R)
• M2: 186,100 km (0.106 R)
• M3: 431,739 km (0.067 R)
• M4: 573,109 km (0.079 R)
• M5: 791,074 km (0.107 R)
• M6: 932,743 km (0.04 R)
• M7: 1,256,622 km (0.094 R)
• M8: 3,260,785 km (0.112 R)
• M9: 3,762,386 km (0.12 R)
• M10: 4,338,787 km (0.11 R)
• M11: 4,780,998 km (0.052 R)
• M12: 5,281,403 km (0.113 R)
• M13: 5,815,916 km (0.048 R)
• M14: 7,379,813 km (0.085 R)
• M15: 8,238,654 km (0.052 R)
• M16: 8,792,764 km (0.042 R)
• M17: 10,107,580 km (0.066 R)
• M18: 10,512,542 km (0.072 R)
• M19: 10,928,274 km (0.089 R)
• M20: 11,940,603 km (0.081 R)
• M21: 14,885,287 km (0.074 R)
• M22: 15,233,102 km (0.04 R)
• M23: 17,627,566 km (0.117 R)
• M24: 18,478,329 km (0.091 R)
• M25: 19,219,287 km (0.108 R)
• M26: 20,332,146 km (0.105 R)
• M27: 22,230,842 km (0.101 R)
• M28: 22,381,637 km (0.099 R)
• M29: 22,838,060 km (0.039 R)
• M30: 24,404,200 km (0.082 R)
• M31: 26,545,394 km (0.06 R)
• M32: 28,808,361 km (0.057 R)
• M33: 29,077,488 km (0.098 R)
• M34: 32,053,289 km (0.119 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 13,061 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit