🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.5

Radius: 10.5

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.52 AU - 0.54 AU

Year: 257 Days

Day: 10.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,796,777 km

• M1: 130,599 km (0.114 R)
• M2: 495,019 km (0.082 R)
• M3: 845,378 km (0.075 R)
• M4: 1,210,995 km (0.048 R)
• M5: 1,757,925 km (0.119 R)
• M6: 2,093,622 km (0.115 R)
• M7: 2,907,135 km (0.104 R)
• M8: 3,718,405 km (0.109 R)
• M9: 4,127,405 km (0.071 R)
• M10: 4,499,904 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.1

Radius: 13.7

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.29 AU - 2.03 AU

Year: 1426 Days

Day: 12.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,796,777 km

• M1: 182,958 km (0.111 R)
• M2: 649,853 km (0.063 R)
• M3: 1,266,047 km (0.091 R)
• M4: 1,759,869 km (0.032 R)
• M5: 2,322,806 km (0.091 R)
• M6: 3,447,333 km (0.104 R)
• M7: 3,904,355 km (0.085 R)
• M8: 4,674,634 km (0.113 R)
• M9: 5,711,796 km (0.092 R)
• M10: 6,315,424 km (0.113 R)
• M11: 7,468,823 km (0.073 R)
• M12: 7,977,306 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.6

Radius: 11.2

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.37 AU - 2.17 AU

Year: 1570 Days

Day: 13 Hours

Environment

Temp: -196 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,796,777 km

• M1: 139,874 km (0.081 R)
• M2: 628,610 km (0.049 R)
• M3: 1,561,802 km (0.04 R)
• M4: 1,954,347 km (0.079 R)
• M5: 2,451,161 km (0.07 R)
• M6: 2,814,086 km (0.092 R)
• M7: 3,167,137 km (0.106 R)
• M8: 3,583,019 km (0.118 R)
• M9: 4,126,807 km (0.101 R)
• M10: 4,604,922 km (0.099 R)
• M11: 5,358,147 km (0.099 R)
• M12: 6,314,077 km (0.106 R)
• M13: 7,545,717 km (0.118 R)
• M14: 8,028,619 km (0.097 R)
• M15: 9,766,796 km (0.116 R)
• M16: 10,724,372 km (0.039 R)
• M17: 12,627,706 km (0.045 R)
• M18: 13,228,042 km (0.063 R)
• M19: 14,485,711 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.2

Radius: 12.1

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.74 AU - 1.96 AU

Year: 1678 Days

Day: 7.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,796,777 km

• M1: 150,495 km (0.059 R)
• M2: 696,976 km (0.066 R)
• M3: 1,219,971 km (0.113 R)
• M4: 1,745,358 km (0.118 R)
• M5: 2,209,112 km (0.111 R)
• M6: 3,690,579 km (0.079 R)
• M7: 4,176,025 km (0.029 R)
• M8: 5,037,409 km (0.062 R)
• M9: 6,233,145 km (0.077 R)
• M10: 6,611,179 km (0.102 R)
• M11: 7,497,097 km (0.112 R)
• M12: 8,071,553 km (0.102 R)
• M13: 10,075,267 km (0.117 R)
• M14: 10,668,572 km (0.12 R)
• M15: 11,064,707 km (0.114 R)
• M16: 12,273,458 km (0.096 R)
• M17: 13,113,450 km (0.114 R)
• M18: 13,610,414 km (0.104 R)
• M19: 14,598,059 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.9

Radius: 10.2

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.11 AU - 2.81 AU

Year: 2573 Days

Day: 12.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,796,777 km

• M1: 126,859 km (0.1 R)
• M2: 1,103,434 km (0.065 R)
• M3: 2,472,703 km (0.107 R)
• M4: 3,397,966 km (0.083 R)
• M5: 3,830,753 km (0.111 R)
• M6: 4,261,445 km (0.111 R)
• M7: 5,065,533 km (0.056 R)
• M8: 5,538,861 km (0.057 R)
• M9: 6,444,527 km (0.085 R)
• M10: 7,939,608 km (0.072 R)
• M11: 8,393,189 km (0.085 R)
• M12: 9,253,077 km (0.118 R)
• M13: 13,414,890 km (0.104 R)
• M14: 13,928,609 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 679.1

Radius: 7.3

Gravity: 12.74 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 10.21 AU - 10.35 AU

Year: 21980 Days

Day: 21.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,796,777 km

• M1: 105,018 km (0.114 R)
• M2: 473,477 km (0.101 R)
• M3: 736,470 km (0.12 R)
• M4: 1,072,766 km (0.059 R)
• M5: 1,492,987 km (0.114 R)
• M6: 2,226,615 km (0.12 R)
• M7: 7,154,817 km (0.03 R)
• M8: 7,946,340 km (0.111 R)
• M9: 14,037,516 km (0.057 R)
• M10: 20,755,358 km (0.051 R)
• M11: 22,874,113 km (0.072 R)
• M12: 38,537,459 km (0.117 R)
• M13: 40,336,971 km (0.059 R)
• M14: 40,795,489 km (0.106 R)
• M15: 47,754,931 km (0.118 R)
• M16: 64,798,018 km (0.115 R)
• M17: 66,696,864 km (0.119 R)
• M18: 70,605,408 km (0.114 R)
• M19: 73,521,370 km (0.208 R)
• M20: 75,586,568 km (0.059 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 325 - 10,596 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit