🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.6

Radius: 12.9

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.58 AU - 0.86 AU

Year: 388 Days

Day: 8.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 34,099,922 km

• M1: 160,369 km (0.063 R)
• M2: 656,435 km (0.066 R)
• M3: 1,183,618 km (0.078 R)
• M4: 2,036,625 km (0.079 R)
• M5: 3,094,881 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.9

Radius: 10.4

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.73 AU - 0.91 AU

Year: 472 Days

Day: 11.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 34,099,922 km

• M1: 129,402 km (0.116 R)
• M2: 461,509 km (0.1 R)
• M3: 1,273,377 km (0.088 R)
• M4: 1,705,117 km (0.106 R)
• M5: 2,210,608 km (0.117 R)
• M6: 2,610,034 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.2

Radius: 12.6

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.9 AU - 1.16 AU

Year: 665 Days

Day: 5.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,099,922 km

• M1: 156,629 km (0.108 R)
• M2: 721,959 km (0.093 R)
• M3: 2,222,127 km (0.088 R)
• M4: 2,648,929 km (0.059 R)
• M5: 3,046,561 km (0.05 R)
• M6: 3,892,985 km (0.11 R)
• M7: 4,824,531 km (0.101 R)
• M8: 5,494,431 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719

Radius: 10.6

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.33 AU - 1.99 AU

Year: 1360 Days

Day: 11.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,099,922 km

• M1: 131,796 km (0.118 R)
• M2: 1,029,981 km (0.098 R)
• M3: 1,706,463 km (0.107 R)
• M4: 2,455,948 km (0.107 R)
• M5: 2,913,419 km (0.064 R)
• M6: 3,396,470 km (0.104 R)
• M7: 3,780,787 km (0.102 R)
• M8: 4,229,880 km (0.099 R)
• M9: 4,950,493 km (0.11 R)
• M10: 6,043,754 km (0.05 R)
• M11: 7,059,374 km (0.098 R)
• M12: 7,474,957 km (0.109 R)
• M13: 8,412,487 km (0.115 R)
• M14: 9,272,525 km (0.096 R)
• M15: 9,645,173 km (0.076 R)
• M16: 10,553,681 km (0.06 R)
• M17: 11,518,288 km (0.099 R)
• M18: 12,391,042 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.2

Radius: 9.2

Gravity: 10.6 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.45 AU - 1.97 AU

Year: 1422 Days

Day: 13 Hours

Environment

Temp: -179 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,099,922 km

• M1: 114,442 km (0.046 R)
• M2: 553,213 km (0.076 R)
• M3: 892,052 km (0.034 R)
• M4: 1,671,906 km (0.114 R)
• M5: 2,130,124 km (0.115 R)
• M6: 2,738,987 km (0.086 R)
• M7: 3,206,182 km (0.119 R)
• M8: 3,846,909 km (0.095 R)
• M9: 4,170,340 km (0.072 R)
• M10: 6,484,021 km (0.117 R)
• M11: 7,370,388 km (0.091 R)
• M12: 7,673,772 km (0.112 R)
• M13: 8,484,144 km (0.098 R)
• M14: 8,941,166 km (0.091 R)
• M15: 9,414,493 km (0.059 R)
• M16: 9,904,426 km (0.118 R)
• M17: 10,342,748 km (0.046 R)
• M18: 10,723,624 km (0.099 R)
• M19: 11,149,828 km (0.111 R)
• M20: 11,998,348 km (0.118 R)
• M21: 12,419,166 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.4

Radius: 15

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.62 AU - 4.08 AU

Year: 3899 Days

Day: 14.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,099,922 km

• M1: 186,549 km (0.063 R)
• M2: 692,339 km (0.117 R)
• M3: 1,327,382 km (0.076 R)
• M4: 2,220,032 km (0.09 R)
• M5: 4,469,087 km (0.08 R)
• M6: 5,791,233 km (0.034 R)
• M7: 9,688,556 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.2

Radius: 8

Gravity: 13.74 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 3.71 AU - 3.89 AU

Year: 4710 Days

Day: 10.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 34,099,922 km

• M1: 99,782 km (0.107 R)
• M2: 411,843 km (0.063 R)
• M3: 711,338 km (0.112 R)
• M4: 1,063,342 km (0.039 R)
• M5: 1,493,884 km (0.096 R)
• M6: 2,616,168 km (0.11 R)
• M7: 3,575,838 km (0.091 R)
• M8: 4,443,356 km (0.12 R)
• M9: 5,386,571 km (0.087 R)
• M10: 5,951,602 km (0.09 R)
• M11: 6,522,617 km (0.072 R)
• M12: 7,773,853 km (0.095 R)
• M13: 8,973,329 km (0.087 R)
• M14: 9,724,011 km (0.036 R)
• M15: 11,783,375 km (0.092 R)
• M16: 12,277,647 km (0.119 R)
• M17: 12,530,018 km (0.108 R)
• M18: 12,889,053 km (0.083 R)
• M19: 13,254,820 km (0.084 R)
• M20: 17,053,559 km (0.069 R)
• M21: 18,203,219 km (0.082 R)
• M22: 19,472,108 km (0.035 R)
• M23: 20,023,525 km (0.1 R)
• M24: 21,375,142 km (0.118 R)
• M25: 24,338,078 km (0.083 R)
• M26: 30,140,081 km (0.114 R)
• M27: 30,415,341 km (0.077 R)
• M28: 30,971,098 km (0.06 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.9

Radius: 13.8

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 4.06 AU - 4.08 AU

Year: 5221 Days

Day: 13.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 34,099,922 km

• M1: 172,337 km (0.114 R)
• M2: 1,007,691 km (0.067 R)
• M3: 1,552,826 km (0.075 R)
• M4: 2,246,810 km (0.079 R)
• M5: 2,703,234 km (0.088 R)
• M6: 3,694,170 km (0.067 R)
• M7: 4,387,257 km (0.093 R)
• M8: 5,633,706 km (0.114 R)
• M9: 8,900,026 km (0.103 R)
• M10: 9,970,249 km (0.096 R)
• M11: 11,414,617 km (0.07 R)
• M12: 12,417,820 km (0.045 R)
• M13: 16,583,971 km (0.077 R)
• M14: 17,870,662 km (0.115 R)
• M15: 19,782,523 km (0.107 R)
• M16: 20,861,124 km (0.104 R)
• M17: 21,902,774 km (0.055 R)
• M18: 23,769,007 km (0.072 R)
• M19: 25,570,764 km (0.12 R)
• M20: 27,727,068 km (0.09 R)
• M21: 29,077,637 km (0.06 R)
• M22: 30,283,097 km (0.091 R)
• M23: 33,795,505 km (0.065 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: 267 - 14,740 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit