🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.7

Radius: 12.7

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.5 AU - 0.78 AU

Year: 347 Days

Day: 14.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 73,198,821 km

• M1: 161,865 km (0.115 R)
• M2: 559,047 km (0.107 R)
• M3: 1,183,170 km (0.076 R)
• M4: 2,022,264 km (0.115 R)
• M5: 3,009,460 km (0.113 R)
• M6: 3,624,008 km (0.104 R)
• M7: 4,360,180 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.2

Radius: 14.2

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.57 AU - 0.79 AU

Year: 380 Days

Day: 13.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 73,198,821 km

• M1: 179,517 km (0.1 R)
• M2: 662,120 km (0.07 R)
• M3: 1,222,963 km (0.089 R)
• M4: 2,333,278 km (0.084 R)
• M5: 3,176,412 km (0.104 R)
• M6: 3,697,311 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.4

Radius: 14.9

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.4 AU - 1.54 AU

Year: 1209 Days

Day: 9.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,198,821 km

• M1: 185,501 km (0.087 R)
• M2: 802,593 km (0.118 R)
• M3: 1,326,036 km (0.056 R)
• M4: 1,813,725 km (0.11 R)
• M5: 2,403,290 km (0.086 R)
• M6: 3,132,430 km (0.112 R)
• M7: 4,020,742 km (0.087 R)
• M8: 5,644,028 km (0.053 R)
• M9: 7,556,936 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.8

Radius: 12.8

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.07 AU - 2.37 AU

Year: 2243 Days

Day: 8.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,198,821 km

• M1: 159,172 km (0.092 R)
• M2: 1,202,617 km (0.084 R)
• M3: 1,763,609 km (0.047 R)
• M4: 2,346,143 km (0.03 R)
• M5: 3,307,160 km (0.058 R)
• M6: 3,743,388 km (0.114 R)
• M7: 4,356,140 km (0.095 R)
• M8: 4,807,328 km (0.075 R)
• M9: 5,636,249 km (0.111 R)
• M10: 6,697,945 km (0.044 R)
• M11: 7,153,321 km (0.074 R)
• M12: 9,332,663 km (0.067 R)
• M13: 10,117,753 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.3

Radius: 11.1

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.83 AU - 2.77 AU

Year: 2366 Days

Day: 12.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,198,821 km

• M1: 138,677 km (0.11 R)
• M2: 499,208 km (0.1 R)
• M3: 986,598 km (0.108 R)
• M4: 1,395,449 km (0.092 R)
• M5: 1,978,581 km (0.096 R)
• M6: 2,757,388 km (0.057 R)
• M7: 3,802,030 km (0.114 R)
• M8: 4,717,569 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.9

Radius: 11.1

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.76 AU - 5.8 AU

Year: 7088 Days

Day: 14.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,198,821 km

• M1: 138,827 km (0.115 R)
• M2: 488,437 km (0.103 R)
• M3: 864,227 km (0.045 R)
• M4: 1,330,523 km (0.12 R)
• M5: 1,723,966 km (0.085 R)
• M6: 2,097,512 km (0.111 R)
• M7: 2,923,591 km (0.096 R)
• M8: 3,660,959 km (0.073 R)
• M9: 4,019,396 km (0.026 R)
• M10: 4,565,428 km (0.118 R)
• M11: 4,956,626 km (0.119 R)
• M12: 5,343,636 km (0.078 R)
• M13: 5,695,341 km (0.072 R)
• M14: 6,062,603 km (0.095 R)
• M15: 7,066,704 km (0.063 R)
• M16: 7,491,413 km (0.058 R)
• M17: 9,133,249 km (0.07 R)
• M18: 9,917,292 km (0.117 R)
• M19: 11,176,756 km (0.105 R)
• M20: 11,574,686 km (0.107 R)
• M21: 13,212,933 km (0.065 R)
• M22: 13,608,021 km (0.096 R)
• M23: 14,113,213 km (0.029 R)
• M24: 15,214,552 km (0.098 R)
• M25: 16,944,053 km (0.069 R)
• M26: 18,006,348 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930.8

Radius: 3

Gravity: 103.42 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 6.82 AU - 9.76 AU

Year: 16189 Days

Day: 15.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 73,198,821 km

• M1: 37,399 km (0.088 R)
• M2: 264,938 km (0.116 R)
• M3: 508,034 km (0.116 R)
• M4: 904,469 km (0.087 R)
• M5: 1,279,211 km (0.03 R)
• M6: 2,280,769 km (0.111 R)
• M7: 2,525,661 km (0.034 R)
• M8: 2,619,010 km (0.116 R)
• M9: 3,926,346 km (0.075 R)
• M10: 5,574,615 km (0.115 R)
• M11: 5,854,213 km (0.041 R)
• M12: 5,976,734 km (0.09 R)
• M13: 6,748,659 km (0.106 R)
• M14: 7,205,082 km (0.111 R)
• M15: 7,298,731 km (0.067 R)
• M16: 9,572,020 km (0.099 R)
• M17: 9,685,265 km (0.047 R)
• M18: 10,265,107 km (0.104 R)
• M19: 11,880,614 km (0.082 R)
• M20: 17,055,354 km (0.101 R)
• M21: 17,389,556 km (0.1 R)
• M22: 20,129,291 km (0.085 R)
• M23: 23,655,911 km (0.104 R)
• M24: 27,802,315 km (0.115 R)
• M25: 28,498,394 km (0.047 R)
• M26: 30,167,458 km (0.07 R)
• M27: 31,900,549 km (0.12 R)
• M28: 33,049,012 km (0.076 R)
• M29: 34,889,963 km (0.084 R)
• M30: 37,636,580 km (0.047 R)
• M31: 38,202,808 km (0.1 R)
• M32: 41,568,461 km (0.069 R)
• M33: 47,882,838 km (0.118 R)
• M34: 50,749,582 km (0.079 R)
• M35: 55,716,829 km (0.093 R)
• M36: 58,317,588 km (0.091 R)
• M37: 66,603,515 km (0.088 R)
• M38: 70,596,432 km (0.091 R)
• M39: 71,241,199 km (0.063 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 13,648 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit