🌌 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: 769.3

Radius: 12.4

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.45 AU - 0.61 AU

Year: 257 Days

Day: 13.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 89,721,178 km

• M1: 154,235 km (0.112 R)
• M2: 640,877 km (0.084 R)
• M3: 1,067,979 km (0.117 R)
• M4: 1,691,503 km (0.111 R)
• M5: 2,557,675 km (0.062 R)
• M6: 3,008,413 km (0.097 R)
• M7: 3,588,703 km (0.107 R)
• M8: 3,976,611 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.2

Radius: 12.9

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.44 AU - 0.64 AU

Year: 265 Days

Day: 5.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 89,721,178 km

• M1: 161,416 km (0.09 R)
• M2: 602,431 km (0.064 R)
• M3: 1,014,872 km (0.109 R)
• M4: 1,565,243 km (0.105 R)
• M5: 2,356,466 km (0.109 R)
• M6: 2,960,542 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.3

Radius: 12.8

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.99 AU - 1.05 AU

Year: 687 Days

Day: 14.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 179.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 89,721,178 km

• M1: 159,172 km (0.099 R)
• M2: 651,349 km (0.083 R)
• M3: 1,546,692 km (0.107 R)
• M4: 1,954,197 km (0.086 R)
• M5: 2,604,349 km (0.107 R)
• M6: 3,029,656 km (0.059 R)
• M7: 4,126,657 km (0.063 R)
• M8: 4,676,280 km (0.101 R)
• M9: 6,019,968 km (0.056 R)
• M10: 6,562,260 km (0.067 R)
• M11: 7,158,857 km (0.112 R)
• M12: 7,584,014 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.8

Radius: 8.1

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.02 AU - 1.2 AU

Year: 780 Days

Day: 14 Hours

Environment

Temp: -180 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,721,178 km

• M1: 100,829 km (0.099 R)
• M2: 377,435 km (0.113 R)
• M3: 810,222 km (0.093 R)
• M4: 1,499,270 km (0.106 R)
• M5: 1,972,897 km (0.1 R)
• M6: 2,294,831 km (0.101 R)
• M7: 2,684,833 km (0.106 R)
• M8: 3,093,983 km (0.071 R)
• M9: 4,008,026 km (0.118 R)
• M10: 4,511,872 km (0.091 R)
• M11: 4,921,022 km (0.079 R)
• M12: 5,757,274 km (0.072 R)
• M13: 6,043,305 km (0.077 R)
• M14: 6,358,807 km (0.093 R)
• M15: 7,239,490 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.2

Radius: 8

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.05 AU - 6.39 AU

Year: 7953 Days

Day: 11.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 89,721,178 km

• M1: 99,483 km (0.082 R)
• M2: 491,429 km (0.095 R)
• M3: 778,059 km (0.103 R)
• M4: 1,169,107 km (0.097 R)
• M5: 1,488,200 km (0.113 R)
• M6: 2,864,650 km (0.098 R)
• M7: 3,351,591 km (0.111 R)
• M8: 5,753,385 km (0.044 R)
• M9: 6,043,754 km (0.084 R)
• M10: 9,000,107 km (0.105 R)
• M11: 9,960,226 km (0.077 R)
• M12: 10,550,839 km (0.109 R)
• M13: 14,224,663 km (0.084 R)
• M14: 15,137,360 km (0.067 R)
• M15: 15,748,467 km (0.071 R)
• M16: 17,378,186 km (0.076 R)
• M17: 20,428,337 km (0.094 R)
• M18: 20,765,232 km (0.066 R)
• M19: 23,817,776 km (0.071 R)
• M20: 24,872,890 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.4

Radius: 7.3

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 6.8 AU - 9.5 AU

Year: 15516 Days

Day: 22.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 89,721,178 km

• M1: 93,199 km (0.068 R)
• M2: 325,375 km (0.05 R)
• M3: 637,137 km (0.117 R)
• M4: 1,567,038 km (0.114 R)
• M5: 1,869,525 km (0.098 R)
• M6: 2,377,559 km (0.056 R)
• M7: 2,695,305 km (0.103 R)
• M8: 3,155,169 km (0.083 R)
• M9: 3,769,717 km (0.112 R)
• M10: 4,231,376 km (0.091 R)
• M11: 5,267,341 km (0.069 R)
• M12: 5,601,842 km (0.085 R)
• M13: 6,130,371 km (0.095 R)
• M14: 6,388,128 km (0.116 R)
• M15: 6,925,334 km (0.032 R)
• M16: 7,830,102 km (0.062 R)
• M17: 8,627,010 km (0.104 R)
• M18: 9,772,331 km (0.028 R)
• M19: 10,023,057 km (0.076 R)
• M20: 10,381,344 km (0.119 R)
• M21: 10,961,784 km (0.064 R)
• M22: 11,342,211 km (0.07 R)
• M23: 12,014,953 km (0.112 R)
• M24: 12,773,265 km (0.05 R)
• M25: 13,875,502 km (0.033 R)
• M26: 14,192,649 km (0.118 R)
• M27: 16,834,697 km (0.069 R)
• M28: 27,384,638 km (0.079 R)
• M29: 30,900,188 km (0.098 R)
• M30: 33,669,245 km (0.109 R)
• M31: 39,568,188 km (0.104 R)
• M32: 48,407,178 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 848.2

Radius: 5.5

Gravity: 28.04 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 9.25 AU - 11.95 AU

Year: 23014 Days

Day: 16.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 89,721,178 km

• M1: 68,516 km (0.073 R)
• M2: 243,545 km (0.068 R)
• M3: 442,511 km (0.108 R)
• M4: 863,629 km (0.106 R)
• M5: 1,202,468 km (0.09 R)
• M6: 1,520,214 km (0.12 R)
• M7: 2,765,167 km (0.099 R)
• M8: 3,089,495 km (0.066 R)
• M9: 3,378,967 km (0.055 R)
• M10: 3,781,984 km (0.06 R)
• M11: 5,427,560 km (0.109 R)
• M12: 5,980,025 km (0.066 R)
• M13: 7,097,372 km (0.119 R)
• M14: 11,891,086 km (0.068 R)
• M15: 12,529,420 km (0.077 R)
• M16: 15,394,818 km (0.053 R)
• M17: 16,759,001 km (0.092 R)
• M18: 20,417,865 km (0.059 R)
• M19: 25,726,196 km (0.049 R)
• M20: 26,433,495 km (0.111 R)
• M21: 27,640,899 km (0.089 R)
• M22: 39,113,859 km (0.036 R)
• M23: 40,521,276 km (0.049 R)
• M24: 41,157,516 km (0.107 R)
• M25: 47,537,267 km (0.08 R)
• M26: 57,291,796 km (0.095 R)
• M27: 59,717,824 km (0.118 R)
• M28: 72,181,272 km (0.101 R)
• M29: 78,892,681 km (0.101 R)
• M30: 85,226,206 km (0.086 R)
• M31: 86,532,196 km (0.113 R)
• M32: 89,452,496 km (0.06 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 20,009 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit