🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.6

Radius: 9.9

Gravity: 10.15 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.75 AU - 0.89 AU

Year: 487 Days

Day: 10.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,835,862 km

• M1: 123,269 km (0.118 R)
• M2: 480,658 km (0.093 R)
• M3: 876,195 km (0.093 R)
• M4: 1,268,740 km (0.06 R)
• M5: 1,738,327 km (0.093 R)
• M6: 2,187,719 km (0.045 R)
• M7: 2,779,229 km (0.112 R)
• M8: 3,461,396 km (0.062 R)
• M9: 4,032,560 km (0.073 R)
• M10: 5,718,977 km (0.071 R)
• M11: 6,224,468 km (0.111 R)
• M12: 6,638,106 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318

Radius: 13

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.11 AU - 1.25 AU

Year: 841 Days

Day: 12 Hours

Environment

Temp: -169 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 84,835,862 km

• M1: 162,014 km (0.113 R)
• M2: 848,220 km (0.095 R)
• M3: 2,274,336 km (0.102 R)
• M4: 3,465,435 km (0.091 R)
• M5: 4,558,995 km (0.119 R)
• M6: 5,339,148 km (0.097 R)
• M7: 6,654,263 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.8

Radius: 14

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.2 AU - 2 AU

Year: 1328 Days

Day: 8.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 84,835,862 km

• M1: 174,132 km (0.091 R)
• M2: 667,356 km (0.069 R)
• M3: 1,220,419 km (0.044 R)
• M4: 2,093,024 km (0.083 R)
• M5: 2,936,307 km (0.062 R)
• M6: 3,541,430 km (0.098 R)
• M7: 4,031,363 km (0.099 R)
• M8: 5,045,637 km (0.086 R)
• M9: 6,034,778 km (0.096 R)
• M10: 6,941,790 km (0.075 R)
• M11: 9,213,134 km (0.11 R)
• M12: 9,721,019 km (0.116 R)
• M13: 10,793,187 km (0.119 R)
• M14: 13,332,162 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.7

Radius: 9.4

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 3.2 AU - 3.58 AU

Year: 4095 Days

Day: 9.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,835,862 km

• M1: 127,158 km (0.111 R)
• M2: 915,240 km (0.062 R)
• M3: 1,234,182 km (0.086 R)
• M4: 1,547,740 km (0.076 R)
• M5: 3,855,436 km (0.072 R)
• M6: 4,442,309 km (0.11 R)
• M7: 5,010,182 km (0.071 R)
• M8: 5,406,018 km (0.073 R)
• M9: 6,112,270 km (0.049 R)
• M10: 6,974,851 km (0.087 R)
• M11: 8,200,506 km (0.085 R)
• M12: 9,326,829 km (0.092 R)
• M13: 15,529,157 km (0.096 R)
• M14: 21,190,538 km (0.104 R)
• M15: 25,697,623 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.3

Radius: 12.3

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.04 AU - 5.3 AU

Year: 6620 Days

Day: 11.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,835,862 km

• M1: 153,039 km (0.103 R)
• M2: 578,046 km (0.048 R)
• M3: 1,053,169 km (0.059 R)
• M4: 1,561,503 km (0.116 R)
• M5: 2,370,677 km (0.099 R)
• M6: 3,726,184 km (0.081 R)
• M7: 5,145,868 km (0.117 R)
• M8: 6,073,374 km (0.093 R)
• M9: 6,958,695 km (0.112 R)
• M10: 8,225,789 km (0.06 R)
• M11: 11,930,430 km (0.104 R)
• M12: 12,322,377 km (0.082 R)
• M13: 17,725,253 km (0.06 R)
• M14: 18,121,987 km (0.067 R)
• M15: 18,699,135 km (0.108 R)
• M16: 19,348,091 km (0.097 R)
• M17: 20,195,713 km (0.107 R)
• M18: 21,449,343 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.4

Radius: 8

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.36 AU - 5.46 AU

Year: 7137 Days

Day: 10.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 84,835,862 km

• M1: 206,445 km (0.077 R)
• M2: 1,045,091 km (0.038 R)
• M3: 1,320,800 km (0.068 R)
• M4: 1,840,054 km (0.12 R)
• M5: 2,918,206 km (0.099 R)
• M6: 4,675,083 km (0.034 R)
• M7: 5,987,954 km (0.036 R)
• M8: 6,667,876 km (0.028 R)
• M9: 6,979,189 km (0.104 R)
• M10: 10,606,489 km (0.103 R)
• M11: 11,467,425 km (0.025 R)
• M12: 16,822,430 km (0.098 R)
• M13: 21,082,978 km (0.057 R)
• M14: 23,928,030 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.7

Radius: 12

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.01 AU - 5.91 AU

Year: 8369 Days

Day: 12.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,835,862 km

• M1: 149,299 km (0.106 R)
• M2: 527,931 km (0.073 R)
• M3: 901,626 km (0.049 R)
• M4: 1,451,698 km (0.111 R)
• M5: 1,842,896 km (0.07 R)
• M6: 2,446,524 km (0.109 R)
• M7: 2,967,274 km (0.099 R)
• M8: 3,538,139 km (0.072 R)
• M9: 4,930,447 km (0.102 R)
• M10: 6,202,328 km (0.064 R)
• M11: 10,276,327 km (0.105 R)
• M12: 12,119,671 km (0.117 R)
• M13: 14,174,099 km (0.05 R)
• M14: 15,032,492 km (0.075 R)
• M15: 20,080,223 km (0.101 R)
• M16: 20,849,754 km (0.103 R)
• M17: 22,284,099 km (0.071 R)
• M18: 32,092,932 km (0.091 R)
• M19: 36,212,109 km (0.03 R)
• M20: 38,398,333 km (0.025 R)
• M21: 40,549,400 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 734.7

Radius: 3.8

Gravity: 50.88 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 9.98 AU - 11.28 AU

Year: 22736 Days

Day: 16.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,835,862 km

• M1: 47,273 km (0.117 R)
• M2: 407,804 km (0.109 R)
• M3: 575,503 km (0.067 R)
• M4: 1,025,942 km (0.052 R)
• M5: 1,356,254 km (0.07 R)
• M6: 1,697,637 km (0.042 R)
• M7: 1,868,926 km (0.038 R)
• M8: 4,961,713 km (0.114 R)
• M9: 5,115,649 km (0.085 R)
• M10: 7,319,225 km (0.035 R)
• M11: 11,832,144 km (0.104 R)
• M12: 12,107,255 km (0.06 R)
• M13: 21,654,741 km (0.094 R)
• M14: 23,547,902 km (0.08 R)
• M15: 36,392,824 km (0.03 R)
• M16: 41,219,599 km (0.111 R)
• M17: 46,285,731 km (0.087 R)
• M18: 57,043,912 km (0.12 R)
• M19: 70,921,807 km (0.091 R)
• M20: 74,594,884 km (0.113 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 15,693 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit