🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.46 AU - 0.54 AU

Year: 228 Days

Day: 38.6 Hours

Environment

Temp: -124 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.7

Radius: 11.9

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.62 AU - 0.78 AU

Year: 378 Days

Day: 14.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,818,645 km

• M1: 148,251 km (0.096 R)
• M2: 520,900 km (0.118 R)
• M3: 897,737 km (0.079 R)
• M4: 1,312,572 km (0.085 R)
• M5: 2,073,875 km (0.071 R)
• M6: 2,550,494 km (0.06 R)
• M7: 3,110,439 km (0.113 R)
• M8: 3,486,977 km (0.107 R)
• M9: 3,918,567 km (0.075 R)
• M10: 4,359,432 km (0.08 R)

Asteroid Belt

Center: 1.11 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.7

Radius: 10.8

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.16 AU - 1.86 AU

Year: 1198 Days

Day: 5.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,818,645 km

• M1: 136,284 km (0.076 R)
• M2: 644,916 km (0.074 R)
• M3: 1,012,628 km (0.108 R)
• M4: 1,564,495 km (0.106 R)
• M5: 2,046,050 km (0.066 R)
• M6: 2,390,275 km (0.083 R)
• M7: 2,959,195 km (0.077 R)
• M8: 3,640,913 km (0.064 R)
• M9: 4,341,330 km (0.046 R)
• M10: 5,444,166 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.6

Radius: 12.9

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.85 AU - 2.41 AU

Year: 2007 Days

Day: 8.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,818,645 km

• M1: 160,668 km (0.115 R)
• M2: 574,157 km (0.079 R)
• M3: 1,018,462 km (0.103 R)
• M4: 3,009,161 km (0.086 R)
• M5: 3,557,587 km (0.078 R)
• M6: 4,251,272 km (0.094 R)
• M7: 4,684,059 km (0.048 R)
• M8: 5,214,832 km (0.067 R)
• M9: 5,934,847 km (0.089 R)
• M10: 6,371,523 km (0.111 R)
• M11: 6,885,092 km (0.101 R)
• M12: 7,995,707 km (0.095 R)
• M13: 9,634,701 km (0.092 R)
• M14: 10,239,974 km (0.082 R)
• M15: 11,292,246 km (0.092 R)
• M16: 11,764,825 km (0.095 R)
• M17: 12,707,442 km (0.1 R)
• M18: 14,789,694 km (0.102 R)
• M19: 17,141,971 km (0.035 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.7

Radius: 13.7

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.8 AU - 5.02 AU

Year: 5980 Days

Day: 11.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,818,645 km

• M1: 170,392 km (0.1 R)
• M2: 773,271 km (0.053 R)
• M3: 1,348,026 km (0.12 R)
• M4: 1,928,317 km (0.072 R)
• M5: 2,368,134 km (0.069 R)
• M6: 3,071,992 km (0.075 R)
• M7: 5,088,721 km (0.118 R)
• M8: 6,022,810 km (0.099 R)
• M9: 6,573,630 km (0.053 R)
• M10: 8,465,145 km (0.114 R)
• M11: 9,445,610 km (0.115 R)
• M12: 11,383,052 km (0.113 R)
• M13: 12,141,513 km (0.071 R)
• M14: 13,480,414 km (0.098 R)
• M15: 14,866,139 km (0.105 R)
• M16: 20,437,762 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.6

Radius: 10.1

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 5.57 AU - 6.13 AU

Year: 9136 Days

Day: 14.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,818,645 km

• M1: 126,410 km (0.081 R)
• M2: 546,032 km (0.097 R)
• M3: 1,323,642 km (0.096 R)
• M4: 1,984,715 km (0.085 R)
• M5: 2,482,277 km (0.07 R)
• M6: 3,684,446 km (0.112 R)
• M7: 5,731,842 km (0.115 R)
• M8: 9,413,745 km (0.101 R)
• M9: 11,670,279 km (0.043 R)
• M10: 13,826,434 km (0.088 R)
• M11: 18,447,063 km (0.111 R)
• M12: 19,249,356 km (0.116 R)
• M13: 25,530,073 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 289

Radius: 4.8

Gravity: 12.54 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 8.1 AU - 11.54 AU

Year: 19869 Days

Day: 16.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,818,645 km

• M1: 59,690 km (0.064 R)
• M2: 222,153 km (0.1 R)
• M3: 925,412 km (0.107 R)
• M4: 2,155,556 km (0.059 R)
• M5: 2,535,235 km (0.117 R)
• M6: 6,066,194 km (0.114 R)
• M7: 6,860,708 km (0.055 R)
• M8: 8,462,004 km (0.081 R)
• M9: 8,947,598 km (0.102 R)
• M10: 10,134,657 km (0.098 R)
• M11: 10,737,836 km (0.09 R)
• M12: 12,942,909 km (0.113 R)
• M13: 13,652,451 km (0.078 R)
• M14: 18,463,369 km (0.058 R)
• M15: 19,779,382 km (0.065 R)
• M16: 19,948,128 km (0.07 R)
• M17: 24,877,228 km (0.117 R)
• M18: 29,338,835 km (0.088 R)
• M19: 30,335,606 km (0.12 R)
• M20: 39,535,875 km (0.053 R)
• M21: 47,353,411 km (0.07 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 19,708 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit