🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.6

Radius: 13.3

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.58 AU - 0.82 AU

Year: 372 Days

Day: 9.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 45,758,153 km

• M1: 165,455 km (0.107 R)
• M2: 614,997 km (0.109 R)
• M3: 1,051,523 km (0.066 R)
• M4: 1,576,462 km (0.114 R)
• M5: 2,122,345 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.6

Radius: 12.1

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.28 AU - 1.56 AU

Year: 1076 Days

Day: 14.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,758,153 km

• M1: 163,660 km (0.091 R)
• M2: 561,890 km (0.065 R)
• M3: 1,007,542 km (0.041 R)
• M4: 1,531,284 km (0.044 R)
• M5: 1,909,018 km (0.074 R)
• M6: 4,775,014 km (0.108 R)
• M7: 5,519,563 km (0.107 R)
• M8: 6,148,622 km (0.094 R)
• M9: 7,193,114 km (0.117 R)
• M10: 8,854,997 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.3

Radius: 9.4

Gravity: 9.67 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.47 AU - 2.03 AU

Year: 1472 Days

Day: 8.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,758,153 km

• M1: 117,434 km (0.062 R)
• M2: 426,803 km (0.049 R)
• M3: 875,297 km (0.08 R)
• M4: 1,259,165 km (0.102 R)
• M5: 1,684,771 km (0.07 R)
• M6: 2,277,179 km (0.092 R)
• M7: 2,772,946 km (0.117 R)
• M8: 3,106,998 km (0.099 R)
• M9: 3,735,459 km (0.118 R)
• M10: 5,666,917 km (0.076 R)
• M11: 6,111,671 km (0.027 R)
• M12: 6,529,199 km (0.115 R)
• M13: 8,333,499 km (0.111 R)
• M14: 9,544,045 km (0.06 R)
• M15: 9,839,202 km (0.045 R)
• M16: 10,242,368 km (0.095 R)
• M17: 12,156,622 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.9

Radius: 4

Gravity: 19.49 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 7.25 AU - 11.11 AU

Year: 17685 Days

Day: 23.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,758,153 km

• M1: 147,504 km (0.081 R)
• M2: 278,850 km (0.111 R)
• M3: 407,804 km (0.092 R)
• M4: 534,513 km (0.116 R)
• M5: 776,114 km (0.044 R)
• M6: 1,245,103 km (0.119 R)
• M7: 2,460,137 km (0.085 R)
• M8: 3,006,169 km (0.106 R)
• M9: 5,971,049 km (0.066 R)
• M10: 8,161,910 km (0.082 R)
• M11: 9,111,707 km (0.068 R)
• M12: 11,171,371 km (0.088 R)
• M13: 16,181,553 km (0.04 R)
• M14: 17,672,146 km (0.104 R)
• M15: 18,371,666 km (0.113 R)
• M16: 18,848,285 km (0.106 R)
• M17: 22,961,478 km (0.098 R)
• M18: 23,514,392 km (0.115 R)
• M19: 26,311,872 km (0.101 R)
• M20: 40,516,339 km (0.081 R)
• M21: 44,089,036 km (0.038 R)
• M22: 44,230,555 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806.9

Radius: 6.8

Gravity: 17.45 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 9.01 AU - 11.47 AU

Year: 20835 Days

Day: 23.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 45,758,153 km

• M1: 84,523 km (0.033 R)
• M2: 379,979 km (0.111 R)
• M3: 744,549 km (0.098 R)
• M4: 1,253,780 km (0.066 R)
• M5: 1,818,961 km (0.108 R)
• M6: 2,055,176 km (0.094 R)
• M7: 2,289,745 km (0.099 R)
• M8: 2,916,410 km (0.079 R)
• M9: 5,053,715 km (0.077 R)
• M10: 5,364,131 km (0.094 R)
• M11: 5,646,272 km (0.047 R)
• M12: 6,284,008 km (0.059 R)
• M13: 7,256,394 km (0.12 R)
• M14: 8,486,388 km (0.118 R)
• M15: 8,704,053 km (0.112 R)
• M16: 10,458,238 km (0.113 R)
• M17: 13,074,405 km (0.084 R)
• M18: 19,745,124 km (0.094 R)
• M19: 24,235,005 km (0.115 R)
• M20: 25,681,466 km (0.116 R)
• M21: 25,909,005 km (0.091 R)
• M22: 29,237,258 km (0.09 R)
• M23: 33,108,103 km (0.049 R)
• M24: 34,470,641 km (0.095 R)
• M25: 39,081,696 km (0.088 R)
• M26: 39,533,930 km (0.082 R)
• M27: 43,439,781 km (0.109 R)
• M28: 49,680,705 km (0.096 R)
• M29: 54,406,801 km (0.055 R)
• M30: 57,459,345 km (0.094 R)
• M31: 62,249,320 km (0.117 R)
• M32: 64,321,400 km (0.075 R)
• M33: 64,741,171 km (0.114 R)
• M34: 70,366,799 km (0.092 R)
• M35: 78,921,404 km (0.12 R)
• M36: 82,084,202 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 118

Radius: 6.1

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 8.29 AU - 13.25 AU

Year: 22473 Days

Day: 20 Hours

Environment

Temp: -228 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,758,153 km

• M1: 75,846 km (0.114 R)
• M2: 542,591 km (0.078 R)
• M3: 806,931 km (0.079 R)
• M4: 2,224,969 km (0.117 R)
• M5: 3,317,333 km (0.087 R)
• M6: 8,055,546 km (0.112 R)
• M7: 11,336,227 km (0.075 R)
• M8: 12,737,511 km (0.093 R)
• M9: 12,971,931 km (0.083 R)
• M10: 16,219,700 km (0.07 R)
• M11: 21,258,007 km (0.119 R)
• M12: 23,817,776 km (0.093 R)
• M13: 28,728,775 km (0.107 R)
• M14: 37,656,776 km (0.065 R)
• M15: 40,240,481 km (0.074 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 190 - 13,526 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit