🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.7

Radius: 9

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.54 AU - 0.56 AU

Year: 277 Days

Day: 12.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,652,338 km

• M1: 112,049 km (0.1 R)
• M2: 404,363 km (0.079 R)
• M3: 751,879 km (0.07 R)
• M4: 1,067,830 km (0.057 R)
• M5: 1,408,913 km (0.037 R)
• M6: 1,693,897 km (0.072 R)
• M7: 2,025,406 km (0.089 R)
• M8: 2,582,358 km (0.108 R)
• M9: 2,975,202 km (0.113 R)
• M10: 3,429,232 km (0.095 R)
• M11: 3,741,892 km (0.038 R)
• M12: 4,234,069 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.4

Radius: 8

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.93 AU - 1.25 AU

Year: 772 Days

Day: 5.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,652,338 km

• M1: 99,483 km (0.098 R)
• M2: 414,835 km (0.093 R)
• M3: 818,151 km (0.09 R)
• M4: 1,100,292 km (0.08 R)
• M5: 1,370,167 km (0.035 R)
• M6: 1,929,663 km (0.074 R)
• M7: 2,801,669 km (0.087 R)
• M8: 3,957,911 km (0.029 R)
• M9: 4,241,249 km (0.107 R)
• M10: 4,683,461 km (0.061 R)
• M11: 5,678,885 km (0.069 R)
• M12: 5,943,673 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.4

Radius: 9.4

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.22 AU - 2.52 AU

Year: 2475 Days

Day: 8.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,652,338 km

• M1: 116,836 km (0.109 R)
• M2: 636,838 km (0.071 R)
• M3: 987,645 km (0.117 R)
• M4: 1,333,067 km (0.034 R)
• M5: 1,632,861 km (0.105 R)
• M6: 2,077,914 km (0.098 R)
• M7: 2,385,188 km (0.096 R)
• M8: 2,847,296 km (0.099 R)
• M9: 3,660,211 km (0.051 R)
• M10: 4,276,854 km (0.09 R)
• M11: 5,106,673 km (0.081 R)
• M12: 7,188,327 km (0.08 R)
• M13: 7,565,164 km (0.04 R)
• M14: 8,446,745 km (0.03 R)
• M15: 9,020,004 km (0.103 R)
• M16: 9,331,915 km (0.116 R)
• M17: 9,651,157 km (0.034 R)
• M18: 10,143,633 km (0.092 R)
• M19: 10,966,422 km (0.076 R)
• M20: 12,283,182 km (0.078 R)
• M21: 12,822,632 km (0.111 R)
• M22: 13,661,427 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.4

Radius: 14.2

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.47 AU - 5.75 AU

Year: 6713 Days

Day: 13.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,652,338 km

• M1: 180,714 km (0.051 R)
• M2: 678,426 km (0.119 R)
• M3: 1,356,853 km (0.1 R)
• M4: 3,700,752 km (0.085 R)
• M5: 4,890,953 km (0.078 R)
• M6: 6,210,107 km (0.108 R)
• M7: 8,460,657 km (0.088 R)
• M8: 11,002,923 km (0.066 R)
• M9: 15,848,099 km (0.09 R)
• M10: 19,547,505 km (0.109 R)
• M11: 20,225,931 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.7

Radius: 13.1

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.3 AU - 6.06 AU

Year: 7996 Days

Day: 11.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,652,338 km

• M1: 163,211 km (0.089 R)
• M2: 592,707 km (0.057 R)
• M3: 1,007,242 km (0.119 R)
• M4: 1,532,181 km (0.101 R)
• M5: 2,419,746 km (0.118 R)
• M6: 2,852,831 km (0.095 R)
• M7: 3,408,587 km (0.077 R)
• M8: 4,252,619 km (0.103 R)
• M9: 5,826,089 km (0.1 R)
• M10: 6,319,313 km (0.083 R)
• M11: 6,764,068 km (0.111 R)
• M12: 7,968,929 km (0.059 R)
• M13: 8,757,759 km (0.112 R)
• M14: 9,406,714 km (0.079 R)
• M15: 11,385,146 km (0.068 R)
• M16: 14,183,973 km (0.094 R)
• M17: 15,276,785 km (0.096 R)
• M18: 16,081,622 km (0.061 R)
• M19: 18,817,318 km (0.034 R)
• M20: 24,554,097 km (0.035 R)
• M21: 26,699,630 km (0.084 R)
• M22: 27,572,234 km (0.085 R)
• M23: 28,564,068 km (0.119 R)
• M24: 29,068,811 km (0.031 R)
• M25: 41,739,003 km (0.101 R)
• M26: 42,520,203 km (0.066 R)
• M27: 46,018,250 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 684.9

Radius: 3.9

Gravity: 45.03 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 4.66 AU - 7.1 AU

Year: 9671 Days

Day: 22.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,652,338 km

• M1: 61,335 km (0.093 R)
• M2: 282,590 km (0.091 R)
• M3: 919,877 km (0.117 R)
• M4: 1,238,371 km (0.109 R)
• M5: 1,611,767 km (0.102 R)
• M6: 1,761,964 km (0.06 R)
• M7: 2,382,047 km (0.108 R)
• M8: 3,419,359 km (0.067 R)
• M9: 4,119,327 km (0.099 R)
• M10: 4,459,213 km (0.087 R)
• M11: 5,098,445 km (0.12 R)
• M12: 5,659,138 km (0.114 R)
• M13: 5,936,642 km (0.119 R)
• M14: 6,519,026 km (0.078 R)
• M15: 7,218,696 km (0.104 R)
• M16: 7,380,710 km (0.106 R)
• M17: 7,545,118 km (0.104 R)
• M18: 9,422,721 km (0.111 R)
• M19: 9,616,301 km (0.113 R)
• M20: 11,207,872 km (0.09 R)
• M21: 12,554,702 km (0.096 R)
• M22: 13,327,375 km (0.057 R)
• M23: 13,694,638 km (0.117 R)
• M24: 18,040,157 km (0.054 R)
• M25: 19,644,744 km (0.106 R)
• M26: 23,222,227 km (0.054 R)
• M27: 36,036,182 km (0.066 R)
• M28: 45,206,831 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 172.9

Radius: 8

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 8.4 AU - 10.12 AU

Year: 19112 Days

Day: 16.8 Hours

Environment

Temp: -243 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,652,338 km

• M1: 103,522 km (0.1 R)
• M2: 853,306 km (0.12 R)
• M3: 1,331,421 km (0.088 R)
• M4: 1,653,655 km (0.083 R)
• M5: 3,012,303 km (0.08 R)
• M6: 4,201,755 km (0.115 R)
• M7: 4,513,517 km (0.105 R)
• M8: 5,344,982 km (0.098 R)
• M9: 6,720,984 km (0.084 R)
• M10: 8,630,301 km (0.112 R)
• M11: 9,807,038 km (0.078 R)
• M12: 10,205,268 km (0.086 R)
• M13: 10,980,933 km (0.09 R)
• M14: 12,475,415 km (0.101 R)
• M15: 14,737,185 km (0.036 R)
• M16: 17,044,433 km (0.084 R)
• M17: 19,040,368 km (0.049 R)
• M18: 19,896,517 km (0.068 R)
• M19: 22,361,591 km (0.104 R)
• M20: 29,916,732 km (0.108 R)
• M21: 32,477,249 km (0.089 R)
• M22: 32,807,262 km (0.105 R)
• M23: 33,923,561 km (0.08 R)
• M24: 42,587,073 km (0.066 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 425 - 11,078 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit