🌌 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: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.3

Radius: 12.5

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.6 AU - 0.9 AU

Year: 426 Days

Day: 11.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,221,175 km

• M1: 156,031 km (0.079 R)
• M2: 549,772 km (0.065 R)
• M3: 965,355 km (0.069 R)
• M4: 1,376,749 km (0.105 R)
• M5: 1,791,584 km (0.05 R)
• M6: 2,255,038 km (0.107 R)
• M7: 2,788,205 km (0.069 R)
• M8: 3,416,815 km (0.075 R)
• M9: 4,029,269 km (0.087 R)
• M10: 4,491,975 km (0.057 R)
• M11: 5,068,825 km (0.094 R)
• M12: 6,152,063 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.2

Radius: 9

Gravity: 9.78 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.87 AU - 1.25 AU

Year: 716 Days

Day: 12.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,221,175 km

• M1: 113,096 km (0.066 R)
• M2: 416,929 km (0.074 R)
• M3: 737,368 km (0.09 R)
• M4: 1,018,014 km (0.105 R)
• M5: 1,552,228 km (0.106 R)
• M6: 1,888,524 km (0.074 R)
• M7: 2,222,576 km (0.063 R)
• M8: 2,792,543 km (0.077 R)
• M9: 4,696,326 km (0.097 R)
• M10: 5,150,954 km (0.109 R)
• M11: 5,868,126 km (0.102 R)
• M12: 6,230,303 km (0.064 R)
• M13: 6,543,411 km (0.09 R)
• M14: 7,430,377 km (0.112 R)
• M15: 7,951,276 km (0.069 R)
• M16: 8,295,202 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259

Radius: 9

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.8 AU - 3.58 AU

Year: 3738 Days

Day: 5.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,221,175 km

• M1: 111,899 km (0.117 R)
• M2: 604,226 km (0.083 R)
• M3: 1,213,388 km (0.097 R)
• M4: 1,493,585 km (0.058 R)
• M5: 1,967,511 km (0.095 R)
• M6: 2,787,906 km (0.066 R)
• M7: 4,228,833 km (0.096 R)
• M8: 5,781,359 km (0.047 R)
• M9: 6,163,731 km (0.058 R)
• M10: 9,366,023 km (0.097 R)
• M11: 9,858,500 km (0.056 R)
• M12: 10,705,074 km (0.113 R)
• M13: 11,679,405 km (0.09 R)
• M14: 12,085,264 km (0.114 R)
• M15: 12,416,623 km (0.081 R)
• M16: 13,315,557 km (0.046 R)
• M17: 13,758,666 km (0.109 R)
• M18: 15,004,068 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.8

Radius: 9.5

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.57 AU - 4.53 AU

Year: 5347 Days

Day: 7.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 73,221,175 km

• M1: 156,779 km (0.105 R)
• M2: 468,391 km (0.07 R)
• M3: 1,392,457 km (0.117 R)
• M4: 1,810,134 km (0.072 R)
• M5: 2,717,445 km (0.117 R)
• M6: 3,252,258 km (0.079 R)
• M7: 3,632,236 km (0.088 R)
• M8: 4,713,679 km (0.071 R)
• M9: 5,663,626 km (0.027 R)
• M10: 6,027,897 km (0.063 R)
• M11: 7,007,314 km (0.086 R)
• M12: 7,391,930 km (0.087 R)
• M13: 7,717,006 km (0.095 R)
• M14: 9,873,011 km (0.087 R)
• M15: 10,267,799 km (0.083 R)
• M16: 10,764,614 km (0.052 R)
• M17: 11,135,916 km (0.089 R)
• M18: 12,201,502 km (0.085 R)
• M19: 12,862,275 km (0.119 R)
• M20: 13,227,893 km (0.112 R)
• M21: 15,569,099 km (0.104 R)
• M22: 16,837,689 km (0.099 R)
• M23: 17,528,981 km (0.038 R)
• M24: 18,834,222 km (0.082 R)
• M25: 19,442,338 km (0.119 R)
• M26: 20,626,554 km (0.099 R)
• M27: 21,637,387 km (0.075 R)
• M28: 22,229,645 km (0.031 R)
• M29: 22,605,285 km (0.113 R)
• M30: 25,272,765 km (0.094 R)
• M31: 28,055,884 km (0.073 R)
• M32: 29,296,200 km (0.114 R)
• M33: 31,412,411 km (0.031 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 99.8

Radius: 4.2

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 6.96 AU - 9.62 AU

Year: 15658 Days

Day: 24 Hours

Environment

Temp: -232 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,221,175 km

• M1: 52,359 km (0.12 R)
• M2: 418,724 km (0.115 R)
• M3: 698,622 km (0.119 R)
• M4: 978,220 km (0.032 R)
• M5: 1,351,916 km (0.079 R)
• M6: 1,744,610 km (0.081 R)
• M7: 4,145,955 km (0.114 R)
• M8: 4,583,380 km (0.063 R)
• M9: 7,061,917 km (0.084 R)
• M10: 7,874,234 km (0.115 R)
• M11: 12,309,062 km (0.114 R)
• M12: 24,560,829 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 716

Radius: 7.2

Gravity: 13.81 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 8.21 AU - 9.01 AU

Year: 16573 Days

Day: 20.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,221,175 km

• M1: 89,609 km (0.118 R)
• M2: 342,878 km (0.068 R)
• M3: 756,367 km (0.101 R)
• M4: 1,327,232 km (0.081 R)
• M5: 2,534,637 km (0.107 R)
• M6: 3,397,966 km (0.099 R)
• M7: 3,793,503 km (0.106 R)
• M8: 4,063,677 km (0.085 R)
• M9: 4,411,342 km (0.104 R)
• M10: 5,202,565 km (0.088 R)
• M11: 5,728,551 km (0.096 R)
• M12: 10,047,741 km (0.083 R)
• M13: 11,164,040 km (0.086 R)
• M14: 15,761,632 km (0.087 R)
• M15: 16,462,049 km (0.059 R)
• M16: 17,841,640 km (0.066 R)
• M17: 18,516,776 km (0.108 R)
• M18: 19,121,301 km (0.096 R)
• M19: 20,188,233 km (0.04 R)
• M20: 21,014,162 km (0.11 R)
• M21: 21,577,099 km (0.085 R)
• M22: 22,929,763 km (0.047 R)
• M23: 31,029,890 km (0.096 R)
• M24: 36,650,431 km (0.111 R)
• M25: 40,704,085 km (0.103 R)
• M26: 41,872,893 km (0.108 R)
• M27: 45,046,911 km (0.074 R)
• M28: 46,771,774 km (0.093 R)
• M29: 49,358,621 km (0.08 R)
• M30: 50,687,199 km (0.047 R)
• M31: 54,815,652 km (0.084 R)
• M32: 56,060,755 km (0.094 R)
• M33: 56,961,484 km (0.096 R)
• M34: 60,284,352 km (0.044 R)
• M35: 60,850,579 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601

Radius: 4.9

Gravity: 25.03 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 8.07 AU - 11.55 AU

Year: 20156 Days

Day: 17.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,221,175 km

• M1: 64,925 km (0.071 R)
• M2: 225,444 km (0.114 R)
• M3: 798,254 km (0.054 R)
• M4: 1,422,377 km (0.065 R)
• M5: 5,066,431 km (0.113 R)
• M6: 7,512,057 km (0.067 R)
• M7: 9,042,294 km (0.108 R)
• M8: 12,771,918 km (0.102 R)
• M9: 14,632,766 km (0.108 R)
• M10: 18,705,119 km (0.089 R)
• M11: 21,285,982 km (0.097 R)
• M12: 24,199,400 km (0.115 R)
• M13: 27,027,997 km (0.099 R)
• M14: 30,556,562 km (0.103 R)
• M15: 38,797,460 km (0.106 R)
• M16: 46,920,325 km (0.09 R)
• M17: 50,087,761 km (0.088 R)
• M18: 57,402,349 km (0.111 R)
• M19: 58,529,120 km (0.111 R)
• M20: 63,582,386 km (0.081 R)
• M21: 65,600,910 km (0.066 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 17,235 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit