🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.61 AU - 0.61 AU

Year: 308 Days

Day: 20.3 Hours

Environment

Temp: -123 °C

Axial Tilt: 1.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367

Radius: 8.9

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.63 AU - 1.01 AU

Year: 479 Days

Day: 5.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,529,464 km

• M1: 110,702 km (0.098 R)
• M2: 454,628 km (0.108 R)
• M3: 1,191,098 km (0.098 R)
• M4: 1,712,447 km (0.083 R)
• M5: 2,147,777 km (0.111 R)
• M6: 2,684,534 km (0.119 R)
• M7: 3,738,900 km (0.029 R)
• M8: 4,784,589 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.2

Radius: 14.9

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.69 AU - 1.07 AU

Year: 533 Days

Day: 11.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,529,464 km

• M1: 185,352 km (0.029 R)
• M2: 728,691 km (0.05 R)
• M3: 1,246,599 km (0.097 R)
• M4: 2,145,981 km (0.115 R)
• M5: 2,835,927 km (0.086 R)
• M6: 3,735,160 km (0.082 R)
• M7: 4,430,491 km (0.077 R)
• M8: 5,082,887 km (0.059 R)
• M9: 5,781,659 km (0.09 R)
• M10: 6,300,913 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.3

Radius: 14.8

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.16 AU - 1.88 AU

Year: 1210 Days

Day: 7.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,529,464 km

• M1: 184,305 km (0.117 R)
• M2: 683,213 km (0.036 R)
• M3: 1,155,494 km (0.058 R)
• M4: 1,704,817 km (0.089 R)
• M5: 2,417,801 km (0.102 R)
• M6: 3,018,137 km (0.1 R)
• M7: 3,588,404 km (0.116 R)
• M8: 5,316,559 km (0.033 R)
• M9: 7,130,134 km (0.12 R)
• M10: 7,790,758 km (0.115 R)
• M11: 8,405,755 km (0.114 R)
• M12: 9,265,793 km (0.059 R)
• M13: 10,783,763 km (0.075 R)
• M14: 12,127,899 km (0.12 R)
• M15: 12,802,287 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.6

Radius: 10.8

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.93 AU - 2.91 AU

Year: 2431 Days

Day: 11.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,529,464 km

• M1: 138,079 km (0.107 R)
• M2: 533,316 km (0.082 R)
• M3: 1,940,584 km (0.037 R)
• M4: 2,595,373 km (0.054 R)
• M5: 3,043,120 km (0.094 R)
• M6: 3,408,288 km (0.116 R)
• M7: 4,057,842 km (0.05 R)
• M8: 4,999,860 km (0.057 R)
• M9: 6,823,308 km (0.108 R)
• M10: 9,746,900 km (0.104 R)
• M11: 12,555,600 km (0.101 R)
• M12: 13,250,931 km (0.084 R)

Asteroid Belt

Center: 2.9 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360

Radius: 11.1

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.85 AU - 3.89 AU

Year: 3994 Days

Day: 6 Hours

Environment

Temp: -196 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,529,464 km

• M1: 146,456 km (0.042 R)
• M2: 512,822 km (0.086 R)
• M3: 1,110,465 km (0.083 R)
• M4: 1,481,917 km (0.103 R)
• M5: 2,193,254 km (0.089 R)
• M6: 2,727,768 km (0.073 R)
• M7: 3,206,032 km (0.077 R)
• M8: 3,837,634 km (0.114 R)
• M9: 4,528,328 km (0.072 R)
• M10: 4,962,461 km (0.072 R)
• M11: 6,322,754 km (0.118 R)
• M12: 7,317,580 km (0.115 R)
• M13: 8,583,776 km (0.06 R)
• M14: 10,220,227 km (0.09 R)
• M15: 11,010,553 km (0.058 R)
• M16: 13,394,844 km (0.104 R)
• M17: 14,487,207 km (0.108 R)
• M18: 15,792,449 km (0.098 R)
• M19: 16,633,638 km (0.055 R)
• M20: 17,726,899 km (0.062 R)
• M21: 18,577,961 km (0.064 R)
• M22: 18,925,776 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.6

Radius: 11.4

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.79 AU - 6.73 AU

Year: 8926 Days

Day: 6.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 49,529,464 km

• M1: 142,716 km (0.114 R)
• M2: 530,923 km (0.111 R)
• M3: 951,143 km (0.108 R)
• M4: 1,358,797 km (0.079 R)
• M5: 1,837,211 km (0.072 R)
• M6: 2,332,680 km (0.118 R)
• M7: 2,916,410 km (0.103 R)
• M8: 3,570,602 km (0.074 R)
• M9: 5,269,286 km (0.082 R)
• M10: 5,672,153 km (0.098 R)
• M11: 7,578,030 km (0.088 R)
• M12: 9,192,041 km (0.086 R)
• M13: 10,182,229 km (0.083 R)
• M14: 11,187,228 km (0.067 R)
• M15: 12,199,258 km (0.119 R)
• M16: 13,642,428 km (0.113 R)
• M17: 18,422,379 km (0.044 R)
• M18: 20,073,790 km (0.099 R)
• M19: 23,669,076 km (0.099 R)
• M20: 24,491,864 km (0.084 R)
• M21: 25,618,336 km (0.093 R)
• M22: 28,791,307 km (0.115 R)
• M23: 34,143,470 km (0.117 R)
• M24: 43,157,639 km (0.102 R)
• M25: 43,973,546 km (0.098 R)
• M26: 44,523,169 km (0.091 R)
• M27: 45,776,500 km (0.075 R)
• M28: 46,199,562 km (0.045 R)
• M29: 47,196,632 km (0.088 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 314 - 15,530 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit