🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.1

Radius: 13.2

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.84 AU - 1.14 AU

Year: 657 Days

Day: 6.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,684,781 km

• M1: 164,558 km (0.07 R)
• M2: 654,191 km (0.057 R)
• M3: 1,069,625 km (0.065 R)
• M4: 1,571,077 km (0.101 R)
• M5: 2,156,453 km (0.119 R)
• M6: 2,805,409 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.9

Radius: 9

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.63 AU - 2.51 AU

Year: 1986 Days

Day: 8.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,684,781 km

• M1: 112,348 km (0.095 R)
• M2: 409,150 km (0.047 R)
• M3: 696,378 km (0.04 R)
• M4: 1,196,633 km (0.118 R)
• M5: 1,686,716 km (0.085 R)
• M6: 2,193,254 km (0.05 R)
• M7: 2,489,458 km (0.094 R)
• M8: 3,325,561 km (0.09 R)
• M9: 4,766,188 km (0.111 R)
• M10: 6,742,077 km (0.066 R)
• M11: 7,807,662 km (0.066 R)
• M12: 8,662,016 km (0.089 R)
• M13: 8,949,543 km (0.062 R)
• M14: 10,058,662 km (0.109 R)
• M15: 10,483,819 km (0.1 R)
• M16: 11,754,054 km (0.076 R)
• M17: 13,717,975 km (0.108 R)
• M18: 14,507,852 km (0.118 R)
• M19: 15,374,024 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.5

Radius: 14.8

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.49 AU - 2.67 AU

Year: 2763 Days

Day: 10.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,684,781 km

• M1: 184,005 km (0.076 R)
• M2: 709,543 km (0.098 R)
• M3: 1,200,074 km (0.092 R)
• M4: 2,024,059 km (0.091 R)
• M5: 2,752,002 km (0.044 R)
• M6: 3,272,753 km (0.086 R)
• M7: 4,077,440 km (0.093 R)
• M8: 4,849,664 km (0.114 R)
• M9: 5,898,345 km (0.114 R)
• M10: 7,608,398 km (0.096 R)
• M11: 13,301,345 km (0.1 R)
• M12: 15,399,006 km (0.077 R)
• M13: 16,421,957 km (0.114 R)
• M14: 17,819,201 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.2

Radius: 8.2

Gravity: 11.63 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.16 AU - 3.52 AU

Year: 3192 Days

Day: 10.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,684,781 km

• M1: 102,026 km (0.114 R)
• M2: 385,364 km (0.078 R)
• M3: 1,075,309 km (0.118 R)
• M4: 1,410,858 km (0.083 R)
• M5: 2,006,407 km (0.116 R)
• M6: 2,567,249 km (0.109 R)
• M7: 3,321,222 km (0.099 R)
• M8: 4,484,795 km (0.116 R)
• M9: 4,862,230 km (0.077 R)
• M10: 6,324,100 km (0.07 R)
• M11: 7,330,445 km (0.08 R)
• M12: 8,369,702 km (0.05 R)
• M13: 11,030,150 km (0.11 R)
• M14: 12,946,649 km (0.106 R)
• M15: 17,028,277 km (0.074 R)
• M16: 19,022,267 km (0.083 R)
• M17: 21,036,602 km (0.101 R)
• M18: 22,706,114 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.7

Radius: 8.2

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 4.26 AU - 6.92 AU

Year: 8813 Days

Day: 5.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,684,781 km

• M1: 102,175 km (0.089 R)
• M2: 371,751 km (0.062 R)
• M3: 762,949 km (0.112 R)
• M4: 1,776,774 km (0.074 R)
• M5: 2,044,405 km (0.063 R)
• M6: 2,662,393 km (0.097 R)
• M7: 4,045,725 km (0.117 R)
• M8: 5,413,049 km (0.065 R)
• M9: 6,346,839 km (0.06 R)
• M10: 7,179,651 km (0.118 R)
• M11: 7,652,679 km (0.111 R)
• M12: 11,093,580 km (0.095 R)
• M13: 12,051,156 km (0.098 R)
• M14: 15,158,453 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 313.6

Radius: 5.4

Gravity: 10.75 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 9.17 AU - 10.15 AU

Year: 20021 Days

Day: 23.9 Hours

Environment

Temp: -245 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 58,684,781 km

• M1: 108,458 km (0.104 R)
• M2: 340,186 km (0.095 R)
• M3: 717,172 km (0.117 R)
• M4: 1,796,521 km (0.092 R)
• M5: 2,042,460 km (0.11 R)
• M6: 2,391,472 km (0.1 R)
• M7: 3,036,388 km (0.088 R)
• M8: 4,566,924 km (0.106 R)
• M9: 5,163,221 km (0.068 R)
• M10: 6,037,172 km (0.112 R)
• M11: 6,389,026 km (0.103 R)
• M12: 7,090,939 km (0.099 R)
• M13: 7,706,385 km (0.119 R)
• M14: 7,980,897 km (0.111 R)
• M15: 8,167,445 km (0.117 R)
• M16: 8,744,594 km (0.096 R)
• M17: 11,327,551 km (0.059 R)
• M18: 13,569,574 km (0.05 R)
• M19: 14,724,320 km (0.103 R)
• M20: 15,796,338 km (0.118 R)
• M21: 16,614,938 km (0.106 R)
• M22: 20,782,286 km (0.109 R)
• M23: 21,403,566 km (0.069 R)
• M24: 21,764,246 km (0.093 R)
• M25: 23,532,643 km (0.12 R)
• M26: 25,394,687 km (0.097 R)
• M27: 25,798,901 km (0.086 R)
• M28: 27,247,307 km (0.09 R)
• M29: 29,966,997 km (0.041 R)
• M30: 30,531,878 km (0.028 R)
• M31: 33,826,771 km (0.098 R)
• M32: 36,576,380 km (0.058 R)
• M33: 37,221,297 km (0.073 R)
• M34: 37,612,046 km (0.115 R)
• M35: 40,013,391 km (0.058 R)
• M36: 43,515,627 km (0.088 R)
• M37: 44,824,758 km (0.103 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: 377 - 20,204 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit