🌌 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: 167.2

Radius: 13.6

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.84 AU - 1.14 AU

Year: 668 Days

Day: 9.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 17,078,481 km

• M1: 198,816 km (0.085 R)
• M2: 778,956 km (0.09 R)
• M3: 1,213,538 km (0.11 R)
• M4: 2,083,599 km (0.089 R)
• M5: 2,843,706 km (0.074 R)
• M6: 3,393,029 km (0.099 R)
• M7: 4,748,835 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.5

Radius: 13

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.74 AU - 2.96 AU

Year: 3263 Days

Day: 14.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 17,078,481 km

• M1: 161,715 km (0.03 R)
• M2: 620,083 km (0.083 R)
• M3: 1,070,672 km (0.029 R)
• M4: 1,692,251 km (0.108 R)
• M5: 2,247,558 km (0.12 R)
• M6: 3,558,335 km (0.065 R)
• M7: 4,011,018 km (0.072 R)
• M8: 5,869,472 km (0.1 R)
• M9: 6,391,419 km (0.11 R)
• M10: 7,465,682 km (0.117 R)
• M11: 8,179,413 km (0.086 R)
• M12: 9,152,996 km (0.089 R)
• M13: 10,202,425 km (0.072 R)
• M14: 11,040,921 km (0.071 R)
• M15: 11,881,811 km (0.092 R)
• M16: 12,629,651 km (0.07 R)
• M17: 14,122,488 km (0.115 R)
• M18: 15,729,917 km (0.098 R)
• M19: 17,289,176 km (0.06 R)
• M20: 19,485,571 km (0.089 R)
• M21: 20,588,257 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.5

Radius: 12.9

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.05 AU - 5.87 AU

Year: 7492 Days

Day: 12.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 17,078,481 km

• M1: 160,369 km (0.108 R)
• M2: 779,555 km (0.111 R)
• M3: 1,463,965 km (0.048 R)
• M4: 1,996,683 km (0.096 R)
• M5: 2,696,502 km (0.115 R)
• M6: 3,531,407 km (0.102 R)
• M7: 3,997,106 km (0.117 R)
• M8: 6,183,478 km (0.071 R)
• M9: 7,319,375 km (0.111 R)
• M10: 8,503,442 km (0.112 R)
• M11: 10,243,415 km (0.08 R)
• M12: 11,043,016 km (0.116 R)
• M13: 11,669,831 km (0.094 R)
• M14: 14,172,902 km (0.069 R)
• M15: 15,485,773 km (0.105 R)
• M16: 16,472,072 km (0.085 R)
• M17: 20,140,661 km (0.075 R)
• M18: 20,683,402 km (0.098 R)
• M19: 22,453,144 km (0.047 R)
• M20: 23,630,629 km (0.114 R)
• M21: 24,234,556 km (0.079 R)
• M22: 25,834,954 km (0.114 R)
• M23: 28,657,417 km (0.119 R)
• M24: 30,751,488 km (0.112 R)
• M25: 31,161,685 km (0.086 R)
• M26: 32,097,869 km (0.119 R)
• M27: 35,130,816 km (0.072 R)
• M28: 35,917,850 km (0.095 R)
• M29: 36,487,220 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.9

Radius: 10.7

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.85 AU - 5.93 AU

Year: 8487 Days

Day: 5.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 17,078,481 km

• M1: 134,488 km (0.105 R)
• M2: 521,498 km (0.091 R)
• M3: 887,714 km (0.116 R)
• M4: 1,917,097 km (0.103 R)
• M5: 2,271,943 km (0.101 R)
• M6: 2,897,412 km (0.08 R)
• M7: 3,240,888 km (0.114 R)
• M8: 3,749,371 km (0.113 R)
• M9: 4,158,821 km (0.081 R)
• M10: 4,705,900 km (0.068 R)
• M11: 5,125,672 km (0.105 R)
• M12: 5,944,421 km (0.093 R)
• M13: 6,639,752 km (0.098 R)
• M14: 8,192,578 km (0.104 R)
• M15: 9,181,719 km (0.082 R)
• M16: 10,860,207 km (0.101 R)
• M17: 14,002,809 km (0.101 R)
• M18: 14,579,808 km (0.093 R)
• M19: 15,293,091 km (0.101 R)
• M20: 18,244,657 km (0.051 R)
• M21: 19,072,981 km (0.043 R)
• M22: 19,710,567 km (0.093 R)
• M23: 20,953,725 km (0.093 R)
• M24: 25,333,651 km (0.098 R)
• M25: 26,626,476 km (0.106 R)
• M26: 29,908,055 km (0.114 R)
• M27: 30,288,632 km (0.064 R)
• M28: 32,740,392 km (0.085 R)
• M29: 34,794,969 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 21.9

Radius: 7.6

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 6.59 AU - 6.91 AU

Year: 11895 Days

Day: 21.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 17,078,481 km

• M1: 98,735 km (0.092 R)
• M2: 471,383 km (0.063 R)
• M3: 822,639 km (0.03 R)
• M4: 1,299,706 km (0.115 R)
• M5: 1,694,345 km (0.102 R)
• M6: 2,154,509 km (0.037 R)
• M7: 3,968,532 km (0.097 R)
• M8: 4,845,325 km (0.086 R)
• M9: 6,513,342 km (0.114 R)
• M10: 6,948,971 km (0.083 R)
• M11: 7,374,876 km (0.075 R)
• M12: 11,511,556 km (0.108 R)
• M13: 14,201,176 km (0.045 R)
• M14: 16,474,316 km (0.102 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 16,507 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit