🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.43 AU - 0.65 AU

Year: 252 Days

Day: 44.2 Hours

Environment

Temp: -121 °C

Axial Tilt: 110.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.9

Radius: 13.1

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.87 AU - 1.41 AU

Year: 774 Days

Day: 5.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 23,178,442 km

• M1: 163,062 km (0.079 R)
• M2: 590,313 km (0.098 R)
• M3: 1,000,361 km (0.113 R)
• M4: 1,475,035 km (0.095 R)
• M5: 1,934,151 km (0.069 R)
• M6: 2,408,077 km (0.117 R)
• M7: 3,006,618 km (0.103 R)
• M8: 3,542,478 km (0.109 R)
• M9: 4,097,785 km (0.039 R)
• M10: 4,759,157 km (0.059 R)
• M11: 5,508,642 km (0.119 R)
• M12: 6,799,822 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.6

Radius: 11.2

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.15 AU - 1.37 AU

Year: 899 Days

Day: 12.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,178,442 km

• M1: 139,276 km (0.068 R)
• M2: 536,608 km (0.117 R)
• M3: 1,105,678 km (0.078 R)
• M4: 1,583,045 km (0.116 R)
• M5: 2,017,178 km (0.037 R)
• M6: 3,103,857 km (0.12 R)
• M7: 3,600,073 km (0.09 R)
• M8: 3,990,822 km (0.077 R)
• M9: 4,579,191 km (0.058 R)
• M10: 5,039,354 km (0.086 R)
• M11: 5,549,632 km (0.12 R)
• M12: 6,477,139 km (0.044 R)
• M13: 7,150,778 km (0.099 R)
• M14: 7,821,126 km (0.059 R)
• M15: 8,958,818 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.7

Radius: 11.9

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.3 AU - 2.1 AU

Year: 1409 Days

Day: 5.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 23,178,442 km

• M1: 148,102 km (0.066 R)
• M2: 737,667 km (0.097 R)
• M3: 1,317,359 km (0.098 R)
• M4: 1,727,407 km (0.115 R)
• M5: 2,212,104 km (0.078 R)
• M6: 3,169,530 km (0.115 R)
• M7: 3,784,677 km (0.073 R)
• M8: 4,554,058 km (0.069 R)
• M9: 5,109,066 km (0.069 R)
• M10: 5,576,560 km (0.082 R)
• M11: 6,026,251 km (0.112 R)
• M12: 6,524,412 km (0.11 R)
• M13: 7,549,606 km (0.081 R)
• M14: 8,888,058 km (0.057 R)
• M15: 9,409,257 km (0.119 R)
• M16: 9,821,549 km (0.104 R)
• M17: 10,212,897 km (0.105 R)
• M18: 10,957,296 km (0.041 R)
• M19: 11,701,246 km (0.115 R)
• M20: 13,015,763 km (0.097 R)

Asteroid Belt

Center: 1.95 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697

Radius: 11.9

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.83 AU - 2.57 AU

Year: 2075 Days

Day: 5.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,178,442 km

• M1: 150,944 km (0.041 R)
• M2: 577,897 km (0.063 R)
• M3: 962,363 km (0.073 R)
• M4: 1,451,997 km (0.092 R)
• M5: 1,886,878 km (0.068 R)
• M6: 2,489,309 km (0.113 R)
• M7: 4,335,795 km (0.094 R)
• M8: 5,321,795 km (0.079 R)
• M9: 6,117,057 km (0.09 R)
• M10: 6,556,875 km (0.078 R)
• M11: 7,327,304 km (0.054 R)
• M12: 10,652,864 km (0.101 R)
• M13: 11,329,645 km (0.084 R)
• M14: 11,717,852 km (0.095 R)
• M15: 12,978,214 km (0.089 R)
• M16: 13,706,755 km (0.093 R)
• M17: 15,198,545 km (0.115 R)
• M18: 16,251,565 km (0.09 R)
• M19: 16,646,353 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.6

Radius: 8.5

Gravity: 10.04 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.04 AU - 3.32 AU

Year: 2790 Days

Day: 12.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 23,178,442 km

• M1: 105,766 km (0.118 R)
• M2: 551,567 km (0.114 R)
• M3: 824,733 km (0.11 R)
• M4: 1,365,529 km (0.107 R)
• M5: 1,790,687 km (0.053 R)
• M6: 2,086,591 km (0.097 R)
• M7: 2,372,473 km (0.066 R)
• M8: 2,973,856 km (0.112 R)
• M9: 4,793,565 km (0.061 R)
• M10: 5,419,931 km (0.06 R)
• M11: 5,911,360 km (0.117 R)
• M12: 6,660,546 km (0.094 R)
• M13: 7,255,198 km (0.081 R)
• M14: 7,724,037 km (0.069 R)
• M15: 10,652,715 km (0.096 R)
• M16: 12,451,180 km (0.092 R)
• M17: 13,678,781 km (0.107 R)
• M18: 17,070,763 km (0.09 R)
• M19: 18,931,162 km (0.037 R)
• M20: 20,489,224 km (0.095 R)
• M21: 20,860,525 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.6

Radius: 14.9

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.66 AU - 3.62 AU

Year: 3538 Days

Day: 13.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,178,442 km

• M1: 186,549 km (0.095 R)
• M2: 888,761 km (0.08 R)
• M3: 1,740,122 km (0.108 R)
• M4: 2,362,150 km (0.119 R)
• M5: 5,249,688 km (0.025 R)
• M6: 6,657,255 km (0.066 R)
• M7: 7,615,429 km (0.088 R)
• M8: 9,414,643 km (0.084 R)
• M9: 10,622,346 km (0.103 R)
• M10: 15,132,124 km (0.085 R)
• M11: 17,074,652 km (0.062 R)
• M12: 17,718,222 km (0.109 R)
• M13: 19,116,065 km (0.114 R)
• M14: 19,682,741 km (0.108 R)
• M15: 20,260,638 km (0.076 R)
• M16: 21,315,752 km (0.084 R)
• M17: 24,850,450 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.6

Radius: 12.4

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.73 AU - 4.67 AU

Year: 5473 Days

Day: 10.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,178,442 km

• M1: 154,834 km (0.092 R)
• M2: 733,329 km (0.104 R)
• M3: 1,141,432 km (0.111 R)
• M4: 3,429,082 km (0.1 R)
• M5: 4,219,258 km (0.11 R)
• M6: 5,328,975 km (0.091 R)
• M7: 5,856,757 km (0.049 R)
• M8: 18,853,670 km (0.051 R)
• M9: 19,400,151 km (0.086 R)
• M10: 20,780,341 km (0.05 R)
• M11: 21,691,990 km (0.112 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 12,253 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit