🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.48 AU - 0.58 AU

Year: 253 Days

Day: 32.1 Hours

Environment

Temp: -130 °C

Axial Tilt: 18.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.53 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.1

Radius: 8.1

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.01 AU - 3.05 AU

Year: 2640 Days

Day: 5.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,126,225 km

• M1: 101,427 km (0.073 R)
• M2: 454,478 km (0.112 R)
• M3: 1,208,751 km (0.045 R)
• M4: 1,488,648 km (0.091 R)
• M5: 2,035,279 km (0.105 R)
• M6: 2,602,704 km (0.116 R)
• M7: 3,225,629 km (0.091 R)
• M8: 3,588,853 km (0.063 R)
• M9: 3,996,806 km (0.119 R)
• M10: 5,258,814 km (0.08 R)
• M11: 6,062,454 km (0.109 R)
• M12: 6,396,207 km (0.113 R)
• M13: 7,967,882 km (0.086 R)
• M14: 10,612,922 km (0.113 R)
• M15: 10,993,200 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.7

Radius: 8

Gravity: 9.09 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.41 AU - 3.17 AU

Year: 3057 Days

Day: 8 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,126,225 km

• M1: 99,931 km (0.063 R)
• M2: 569,070 km (0.09 R)
• M3: 978,370 km (0.032 R)
• M4: 1,269,338 km (0.115 R)
• M5: 1,684,322 km (0.08 R)
• M6: 2,107,834 km (0.065 R)
• M7: 2,834,730 km (0.064 R)
• M8: 4,821,539 km (0.098 R)
• M9: 5,323,590 km (0.079 R)
• M10: 5,860,048 km (0.075 R)
• M11: 6,155,204 km (0.09 R)
• M12: 6,602,203 km (0.082 R)
• M13: 8,172,831 km (0.071 R)
• M14: 9,313,066 km (0.08 R)
• M15: 10,555,925 km (0.116 R)
• M16: 13,092,955 km (0.095 R)
• M17: 13,879,690 km (0.063 R)
• M18: 14,164,824 km (0.112 R)
• M19: 15,193,609 km (0.102 R)
• M20: 18,066,636 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.4

Radius: 10

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.38 AU - 3.46 AU

Year: 3273 Days

Day: 9.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,126,225 km

• M1: 125,064 km (0.117 R)
• M2: 530,923 km (0.12 R)
• M3: 853,157 km (0.09 R)
• M4: 1,720,226 km (0.036 R)
• M5: 2,050,538 km (0.106 R)
• M6: 2,451,012 km (0.103 R)
• M7: 3,900,615 km (0.104 R)
• M8: 4,776,810 km (0.109 R)
• M9: 5,111,759 km (0.071 R)
• M10: 6,211,902 km (0.104 R)
• M11: 6,666,231 km (0.087 R)
• M12: 7,946,041 km (0.086 R)
• M13: 9,521,306 km (0.079 R)
• M14: 10,870,529 km (0.11 R)
• M15: 13,410,552 km (0.103 R)
• M16: 17,554,562 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.9

Radius: 9

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 5.04 AU - 6.6 AU

Year: 9211 Days

Day: 11.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,126,225 km

• M1: 111,899 km (0.071 R)
• M2: 466,297 km (0.111 R)
• M3: 1,984,565 km (0.059 R)
• M4: 2,809,747 km (0.118 R)
• M5: 5,020,804 km (0.072 R)
• M6: 9,485,103 km (0.063 R)
• M7: 17,895,196 km (0.102 R)
• M8: 18,313,472 km (0.097 R)
• M9: 23,638,408 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 122.3

Radius: 7.3

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 7.3 AU - 7.9 AU

Year: 13745 Days

Day: 22.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,126,225 km

• M1: 102,624 km (0.103 R)
• M2: 495,618 km (0.117 R)
• M3: 919,279 km (0.077 R)
• M4: 1,341,743 km (0.107 R)
• M5: 1,749,098 km (0.118 R)
• M6: 2,417,801 km (0.075 R)
• M7: 7,135,370 km (0.083 R)
• M8: 8,936,827 km (0.049 R)
• M9: 9,527,290 km (0.117 R)
• M10: 10,507,306 km (0.119 R)
• M11: 13,794,420 km (0.106 R)
• M12: 14,871,225 km (0.062 R)
• M13: 17,255,516 km (0.115 R)
• M14: 19,048,147 km (0.086 R)
• M15: 20,525,725 km (0.112 R)
• M16: 27,377,009 km (0.116 R)
• M17: 31,793,736 km (0.11 R)
• M18: 33,365,561 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 39.1

Radius: 6.3

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 7.69 AU - 9.05 AU

Year: 15885 Days

Day: 18.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,126,225 km

• M1: 78,539 km (0.049 R)
• M2: 420,370 km (0.082 R)
• M3: 664,364 km (0.106 R)
• M4: 954,135 km (0.104 R)
• M5: 2,001,171 km (0.118 R)
• M6: 3,459,900 km (0.058 R)
• M7: 7,246,820 km (0.087 R)
• M8: 15,352,481 km (0.098 R)
• M9: 17,617,543 km (0.093 R)
• M10: 19,141,048 km (0.113 R)
• M11: 22,032,026 km (0.116 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 19,390 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit