🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.1

Radius: 8.2

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.8 AU - 1.1 AU

Year: 598 Days

Day: 7.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 18,643,614 km

• M1: 102,774 km (0.113 R)
• M2: 394,789 km (0.075 R)
• M3: 790,176 km (0.104 R)
• M4: 2,288,548 km (0.114 R)
• M5: 2,833,832 km (0.082 R)
• M6: 3,155,318 km (0.075 R)
• M7: 3,565,516 km (0.117 R)
• M8: 4,372,596 km (0.085 R)
• M9: 4,677,626 km (0.064 R)
• M10: 5,450,598 km (0.094 R)
• M11: 6,173,306 km (0.12 R)
• M12: 6,518,578 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.3

Radius: 15

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.12 AU - 1.38 AU

Year: 902 Days

Day: 13.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 18,643,614 km

• M1: 186,549 km (0.106 R)
• M2: 869,313 km (0.087 R)
• M3: 1,378,245 km (0.063 R)
• M4: 2,145,383 km (0.037 R)
• M5: 3,096,377 km (0.043 R)
• M6: 3,811,155 km (0.084 R)
• M7: 4,364,219 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.9

Radius: 11

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.58 AU - 2.12 AU

Year: 1625 Days

Day: 11.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 18,643,614 km

• M1: 137,780 km (0.057 R)
• M2: 626,665 km (0.083 R)
• M3: 1,142,629 km (0.038 R)
• M4: 1,495,380 km (0.057 R)
• M5: 1,922,183 km (0.067 R)
• M6: 2,329,239 km (0.114 R)
• M7: 2,879,609 km (0.117 R)
• M8: 3,666,494 km (0.109 R)
• M9: 4,074,148 km (0.113 R)
• M10: 4,773,070 km (0.111 R)
• M11: 5,780,761 km (0.074 R)
• M12: 6,285,504 km (0.105 R)
• M13: 7,438,904 km (0.087 R)
• M14: 8,243,142 km (0.063 R)
• M15: 8,977,817 km (0.107 R)
• M16: 9,655,944 km (0.069 R)
• M17: 10,897,606 km (0.089 R)
• M18: 12,556,198 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.1

Radius: 9

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.05 AU - 2.89 AU

Year: 2506 Days

Day: 8.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 18,643,614 km

• M1: 111,899 km (0.106 R)
• M2: 427,252 km (0.106 R)
• M3: 755,768 km (0.106 R)
• M4: 1,248,993 km (0.114 R)
• M5: 1,781,561 km (0.04 R)
• M6: 3,143,350 km (0.096 R)
• M7: 4,029,269 km (0.091 R)
• M8: 4,487,338 km (0.098 R)
• M9: 4,887,512 km (0.075 R)
• M10: 9,068,773 km (0.082 R)
• M11: 10,650,321 km (0.039 R)
• M12: 13,560,000 km (0.075 R)
• M13: 17,281,546 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.9

Radius: 10.4

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.27 AU - 3.15 AU

Year: 2881 Days

Day: 11.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 18,643,614 km

• M1: 129,402 km (0.108 R)
• M2: 915,838 km (0.108 R)
• M3: 1,259,464 km (0.113 R)
• M4: 1,601,595 km (0.093 R)
• M5: 1,980,825 km (0.062 R)
• M6: 2,540,022 km (0.098 R)
• M7: 3,690,879 km (0.077 R)
• M8: 4,122,020 km (0.092 R)
• M9: 4,495,416 km (0.116 R)
• M10: 5,085,729 km (0.117 R)
• M11: 5,888,621 km (0.072 R)
• M12: 6,508,255 km (0.064 R)
• M13: 6,864,149 km (0.074 R)
• M14: 7,518,490 km (0.04 R)
• M15: 7,877,525 km (0.096 R)
• M16: 9,505,150 km (0.101 R)
• M17: 11,051,692 km (0.11 R)
• M18: 13,271,575 km (0.077 R)
• M19: 17,079,439 km (0.103 R)
• M20: 18,752,243 km (0.111 R)
• M21: 20,849,306 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.4

Radius: 8.5

Gravity: 11.15 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.81 AU - 3.39 AU

Year: 3524 Days

Day: 11.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 18,643,614 km

• M1: 106,364 km (0.076 R)
• M2: 373,396 km (0.101 R)
• M3: 791,223 km (0.096 R)
• M4: 1,137,841 km (0.1 R)
• M5: 1,666,670 km (0.056 R)
• M6: 2,008,202 km (0.078 R)
• M7: 2,489,009 km (0.048 R)
• M8: 2,868,240 km (0.04 R)
• M9: 4,264,886 km (0.088 R)
• M10: 6,242,270 km (0.079 R)
• M11: 7,836,086 km (0.118 R)
• M12: 8,434,926 km (0.115 R)
• M13: 8,727,241 km (0.111 R)
• M14: 10,208,858 km (0.096 R)
• M15: 11,358,817 km (0.059 R)
• M16: 11,715,608 km (0.085 R)
• M17: 12,404,655 km (0.104 R)
• M18: 13,023,542 km (0.083 R)
• M19: 13,414,441 km (0.076 R)
• M20: 13,964,662 km (0.066 R)
• M21: 15,110,432 km (0.085 R)
• M22: 15,596,625 km (0.034 R)
• M23: 16,772,016 km (0.053 R)
• M24: 17,410,649 km (0.091 R)
• M25: 19,235,145 km (0.096 R)
• M26: 19,678,553 km (0.035 R)
• M27: 21,183,507 km (0.084 R)
• M28: 21,861,186 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.4

Radius: 11.5

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.05 AU - 3.27 AU

Year: 3627 Days

Day: 5.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 18,643,614 km

• M1: 143,315 km (0.036 R)
• M2: 603,627 km (0.096 R)
• M3: 1,644,978 km (0.086 R)
• M4: 3,340,072 km (0.108 R)
• M5: 3,734,112 km (0.028 R)
• M6: 4,769,031 km (0.097 R)
• M7: 5,247,295 km (0.113 R)
• M8: 6,434,504 km (0.065 R)
• M9: 6,991,008 km (0.117 R)
• M10: 8,200,357 km (0.096 R)
• M11: 9,229,889 km (0.045 R)
• M12: 9,975,036 km (0.093 R)
• M13: 12,200,155 km (0.036 R)
• M14: 13,901,532 km (0.104 R)
• M15: 14,596,264 km (0.073 R)
• M16: 15,072,135 km (0.119 R)
• M17: 15,656,913 km (0.066 R)
• M18: 17,609,016 km (0.078 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 15,880 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit