🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.2

Radius: 11.9

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.69 AU - 0.83 AU

Year: 466 Days

Day: 14.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,873,424 km

• M1: 147,952 km (0.113 R)
• M2: 717,322 km (0.079 R)
• M3: 1,182,571 km (0.057 R)
• M4: 1,889,272 km (0.069 R)
• M5: 2,334,924 km (0.095 R)
• M6: 3,125,100 km (0.082 R)
• M7: 3,601,868 km (0.046 R)
• M8: 4,058,590 km (0.047 R)
• M9: 5,010,481 km (0.072 R)
• M10: 5,857,056 km (0.117 R)
• M11: 6,232,397 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.9

Radius: 13

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.1 AU - 2.54 AU

Year: 2484 Days

Day: 13.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,873,424 km

• M1: 161,715 km (0.115 R)
• M2: 595,848 km (0.113 R)
• M3: 1,111,213 km (0.059 R)
• M4: 1,667,717 km (0.058 R)
• M5: 2,176,200 km (0.109 R)
• M6: 2,862,555 km (0.098 R)
• M7: 3,817,139 km (0.093 R)
• M8: 4,907,409 km (0.056 R)
• M9: 6,863,401 km (0.11 R)
• M10: 7,970,126 km (0.094 R)
• M11: 8,438,517 km (0.111 R)
• M12: 10,279,318 km (0.058 R)
• M13: 11,139,805 km (0.078 R)
• M14: 12,540,490 km (0.095 R)
• M15: 15,592,885 km (0.095 R)
• M16: 16,477,158 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811

Radius: 13.2

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.1 AU - 2.6 AU

Year: 2532 Days

Day: 7.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 18,873,424 km

• M1: 166,203 km (0.038 R)
• M2: 615,595 km (0.037 R)
• M3: 1,072,467 km (0.091 R)
• M4: 1,776,026 km (0.112 R)
• M5: 2,547,203 km (0.089 R)
• M6: 3,027,711 km (0.093 R)
• M7: 4,426,302 km (0.11 R)
• M8: 5,318,952 km (0.061 R)
• M9: 5,847,482 km (0.077 R)
• M10: 6,634,965 km (0.086 R)
• M11: 7,278,684 km (0.111 R)
• M12: 8,897,483 km (0.083 R)
• M13: 9,571,721 km (0.118 R)
• M14: 11,142,947 km (0.091 R)
• M15: 11,800,729 km (0.049 R)
• M16: 12,397,325 km (0.098 R)
• M17: 14,938,544 km (0.091 R)
• M18: 16,357,630 km (0.059 R)
• M19: 17,261,949 km (0.107 R)
• M20: 18,938,941 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.2

Radius: 11.1

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.68 AU - 3.94 AU

Year: 4233 Days

Day: 13.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,873,424 km

• M1: 138,079 km (0.073 R)
• M2: 632,799 km (0.101 R)
• M3: 1,046,138 km (0.073 R)
• M4: 1,690,157 km (0.073 R)
• M5: 2,683,337 km (0.117 R)
• M6: 3,146,043 km (0.103 R)
• M7: 3,918,567 km (0.1 R)
• M8: 8,029,067 km (0.113 R)
• M9: 10,163,829 km (0.083 R)
• M10: 13,650,507 km (0.119 R)
• M11: 14,274,180 km (0.102 R)
• M12: 15,916,316 km (0.088 R)
• M13: 16,900,969 km (0.109 R)
• M14: 19,055,478 km (0.119 R)
• M15: 23,237,935 km (0.103 R)
• M16: 24,732,717 km (0.116 R)

Asteroid Belt

Center: 3.64 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.1

Radius: 10.3

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.28 AU - 4.66 AU

Year: 5560 Days

Day: 9.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 18,873,424 km

• M1: 130,001 km (0.098 R)
• M2: 716,574 km (0.118 R)
• M3: 1,051,523 km (0.078 R)
• M4: 1,651,411 km (0.101 R)
• M5: 2,282,564 km (0.052 R)
• M6: 2,928,079 km (0.073 R)
• M7: 4,177,969 km (0.093 R)
• M8: 5,121,932 km (0.114 R)
• M9: 5,777,619 km (0.099 R)
• M10: 6,100,751 km (0.032 R)
• M11: 7,871,242 km (0.104 R)
• M12: 9,750,789 km (0.045 R)
• M13: 10,318,064 km (0.096 R)
• M14: 10,907,181 km (0.043 R)
• M15: 12,478,557 km (0.056 R)
• M16: 13,928,459 km (0.083 R)
• M17: 16,162,255 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 17.1

Radius: 7.2

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 7.51 AU - 8.31 AU

Year: 15638 Days

Day: 24.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 18,873,424 km

• M1: 91,105 km (0.111 R)
• M2: 1,025,643 km (0.059 R)
• M3: 1,403,228 km (0.118 R)
• M4: 2,395,511 km (0.118 R)
• M5: 3,697,910 km (0.071 R)
• M6: 5,563,844 km (0.027 R)
• M7: 6,021,913 km (0.102 R)
• M8: 6,615,667 km (0.066 R)
• M9: 7,426,936 km (0.06 R)
• M10: 8,205,742 km (0.098 R)
• M11: 9,037,806 km (0.116 R)
• M12: 9,706,957 km (0.05 R)
• M13: 11,382,603 km (0.107 R)
• M14: 12,037,093 km (0.107 R)
• M15: 14,058,759 km (0.117 R)
• M16: 17,553,216 km (0.096 R)
• M17: 18,873,417 km (0.066 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: 247 - 17,268 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit