🌌 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: 742.5

Radius: 14.4

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.45 AU - 0.61 AU

Year: 271 Days

Day: 6.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 84,640,603 km

• M1: 179,368 km (0.117 R)
• M2: 683,961 km (0.055 R)
• M3: 1,271,283 km (0.114 R)
• M4: 1,879,697 km (0.094 R)
• M5: 2,479,734 km (0.063 R)
• M6: 2,978,344 km (0.105 R)
• M7: 3,577,184 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.2

Radius: 11.1

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.7 AU - 1.12 AU

Year: 610 Days

Day: 11.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,640,603 km

• M1: 138,079 km (0.038 R)
• M2: 509,082 km (0.12 R)
• M3: 897,587 km (0.099 R)
• M4: 1,301,202 km (0.1 R)
• M5: 1,784,703 km (0.041 R)
• M6: 2,294,233 km (0.036 R)
• M7: 2,793,441 km (0.06 R)
• M8: 3,157,263 km (0.097 R)
• M9: 4,428,845 km (0.115 R)
• M10: 5,351,565 km (0.089 R)
• M11: 6,669,073 km (0.105 R)
• M12: 7,808,710 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.5

Radius: 13.4

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.04 AU - 4.5 AU

Year: 5145 Days

Day: 6.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,640,603 km

• M1: 166,652 km (0.091 R)
• M2: 594,352 km (0.1 R)
• M3: 1,372,112 km (0.088 R)
• M4: 1,980,825 km (0.097 R)
• M5: 2,635,615 km (0.12 R)
• M6: 4,246,036 km (0.1 R)
• M7: 5,289,781 km (0.055 R)
• M8: 9,455,633 km (0.113 R)
• M9: 12,079,729 km (0.115 R)
• M10: 12,972,828 km (0.034 R)
• M11: 19,471,808 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.6

Radius: 13.1

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.74 AU - 5.54 AU

Year: 7026 Days

Day: 11.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,640,603 km

• M1: 163,062 km (0.101 R)
• M2: 802,293 km (0.056 R)
• M3: 1,209,798 km (0.053 R)
• M4: 1,721,273 km (0.104 R)
• M5: 2,639,804 km (0.072 R)
• M6: 4,443,057 km (0.032 R)
• M7: 4,952,886 km (0.106 R)
• M8: 8,026,524 km (0.069 R)
• M9: 14,652,513 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 949

Radius: 7.4

Gravity: 17.33 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.73 AU - 7.07 AU

Year: 12740 Days

Day: 18.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 84,640,603 km

• M1: 93,947 km (0.105 R)
• M2: 905,815 km (0.104 R)
• M3: 1,396,047 km (0.075 R)
• M4: 2,033,334 km (0.075 R)
• M5: 2,921,198 km (0.044 R)
• M6: 3,346,205 km (0.079 R)
• M7: 3,726,483 km (0.071 R)
• M8: 4,606,268 km (0.08 R)
• M9: 5,182,669 km (0.118 R)
• M10: 5,692,648 km (0.058 R)
• M11: 7,245,773 km (0.092 R)
• M12: 7,930,333 km (0.092 R)
• M13: 9,427,508 km (0.062 R)
• M14: 10,986,617 km (0.062 R)
• M15: 11,462,039 km (0.096 R)
• M16: 11,704,687 km (0.116 R)
• M17: 12,645,957 km (0.052 R)
• M18: 13,636,594 km (0.067 R)
• M19: 16,453,073 km (0.077 R)
• M20: 16,762,292 km (0.096 R)
• M21: 17,632,503 km (0.092 R)
• M22: 17,956,382 km (0.094 R)
• M23: 19,291,543 km (0.079 R)
• M24: 19,895,918 km (0.113 R)
• M25: 22,157,988 km (0.1 R)
• M26: 23,399,501 km (0.098 R)
• M27: 28,275,643 km (0.084 R)
• M28: 33,170,336 km (0.09 R)
• M29: 34,539,755 km (0.054 R)
• M30: 37,258,247 km (0.103 R)
• M31: 38,737,471 km (0.092 R)
• M32: 44,000,474 km (0.056 R)
• M33: 46,263,441 km (0.088 R)
• M34: 52,174,651 km (0.095 R)
• M35: 52,842,456 km (0.113 R)
• M36: 53,346,900 km (0.049 R)
• M37: 59,291,321 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 684.5

Radius: 3.8

Gravity: 47.4 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 7.79 AU - 12.95 AU

Year: 23473 Days

Day: 18.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 84,640,603 km

• M1: 47,423 km (0.094 R)
• M2: 216,468 km (0.117 R)
• M3: 362,326 km (0.107 R)
• M4: 1,145,172 km (0.091 R)
• M5: 1,657,395 km (0.104 R)
• M6: 1,964,519 km (0.071 R)
• M7: 2,331,333 km (0.116 R)
• M8: 3,736,656 km (0.12 R)
• M9: 4,127,106 km (0.057 R)
• M10: 5,501,910 km (0.07 R)
• M11: 7,302,470 km (0.084 R)
• M12: 7,911,035 km (0.106 R)
• M13: 8,497,907 km (0.109 R)
• M14: 10,432,208 km (0.115 R)
• M15: 13,367,617 km (0.114 R)
• M16: 14,044,846 km (0.09 R)
• M17: 15,385,842 km (0.074 R)
• M18: 17,776,715 km (0.102 R)
• M19: 19,060,115 km (0.088 R)
• M20: 21,707,249 km (0.099 R)
• M21: 32,017,834 km (0.109 R)
• M22: 35,308,538 km (0.052 R)
• M23: 36,164,986 km (0.099 R)
• M24: 38,068,170 km (0.114 R)
• M25: 38,516,665 km (0.113 R)
• M26: 48,242,022 km (0.089 R)
• M27: 53,292,297 km (0.113 R)
• M28: 54,797,251 km (0.033 R)
• M29: 60,085,835 km (0.102 R)
• M30: 61,510,456 km (0.104 R)
• M31: 66,781,985 km (0.044 R)
• M32: 69,193,952 km (0.09 R)
• M33: 71,209,933 km (0.112 R)
• M34: 72,346,727 km (0.18 R)
• M35: 75,124,161 km (0.087 R)
• M36: 77,014,779 km (0.186 R)
• M37: 79,179,311 km (0.111 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 14,044 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit