🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.2

Radius: 10.9

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.44 AU - 0.68 AU

Year: 289 Days

Day: 6 Hours

Environment

Temp: -141 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,196,884 km

• M1: 135,536 km (0.089 R)
• M2: 539,450 km (0.051 R)
• M3: 967,599 km (0.085 R)
• M4: 1,386,174 km (0.089 R)
• M5: 1,823,299 km (0.061 R)
• M6: 2,180,389 km (0.044 R)
• M7: 2,593,129 km (0.114 R)
• M8: 3,503,133 km (0.114 R)
• M9: 3,899,268 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.7

Radius: 13.7

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.05 AU - 1.23 AU

Year: 840 Days

Day: 8.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,196,884 km

• M1: 170,691 km (0.11 R)
• M2: 610,359 km (0.098 R)
• M3: 1,040,453 km (0.082 R)
• M4: 1,936,245 km (0.116 R)
• M5: 2,540,920 km (0.094 R)
• M6: 2,977,746 km (0.045 R)
• M7: 3,581,672 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.7

Radius: 15

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.99 AU - 1.53 AU

Year: 976 Days

Day: 8.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,196,884 km

• M1: 186,848 km (0.107 R)
• M2: 740,210 km (0.096 R)
• M3: 1,340,098 km (0.112 R)
• M4: 2,083,150 km (0.059 R)
• M5: 3,066,607 km (0.07 R)
• M6: 4,469,685 km (0.047 R)
• M7: 5,252,830 km (0.038 R)
• M8: 5,831,026 km (0.103 R)
• M9: 6,703,780 km (0.104 R)
• M10: 7,945,293 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.1

Radius: 10.5

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.59 AU - 1.83 AU

Year: 1543 Days

Day: 11.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,196,884 km

• M1: 130,749 km (0.117 R)
• M2: 465,249 km (0.059 R)
• M3: 1,333,366 km (0.113 R)
• M4: 1,922,033 km (0.084 R)
• M5: 3,378,369 km (0.108 R)
• M6: 4,024,332 km (0.083 R)
• M7: 4,443,356 km (0.104 R)
• M8: 4,873,749 km (0.036 R)
• M9: 5,275,419 km (0.071 R)
• M10: 6,441,684 km (0.091 R)
• M11: 6,791,893 km (0.102 R)
• M12: 7,340,917 km (0.096 R)
• M13: 8,245,386 km (0.077 R)
• M14: 9,167,657 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.2

Radius: 9.1

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.12 AU - 4.78 AU

Year: 5419 Days

Day: 13.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,196,884 km

• M1: 120,277 km (0.067 R)
• M2: 815,608 km (0.111 R)
• M3: 1,428,360 km (0.092 R)
• M4: 1,993,840 km (0.102 R)
• M5: 3,018,137 km (0.07 R)
• M6: 4,337,590 km (0.095 R)
• M7: 5,113,106 km (0.118 R)
• M8: 6,460,384 km (0.044 R)
• M9: 7,342,862 km (0.084 R)
• M10: 15,106,842 km (0.078 R)
• M11: 19,752,753 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143

Radius: 15

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.26 AU - 5.66 AU

Year: 8806 Days

Day: 7.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,196,884 km

• M1: 186,698 km (0.035 R)
• M2: 1,511,088 km (0.047 R)
• M3: 2,234,394 km (0.1 R)
• M4: 2,811,393 km (0.071 R)
• M5: 3,507,172 km (0.101 R)
• M6: 5,540,806 km (0.119 R)
• M7: 7,711,621 km (0.1 R)
• M8: 10,276,925 km (0.063 R)
• M9: 13,023,542 km (0.11 R)
• M10: 14,592,823 km (0.119 R)
• M11: 18,657,547 km (0.089 R)
• M12: 19,604,053 km (0.101 R)
• M13: 21,320,389 km (0.05 R)
• M14: 24,824,121 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 561.4

Radius: 4.2

Gravity: 31.83 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 7.68 AU - 10.92 AU

Year: 19577 Days

Day: 25 Hours

Environment

Temp: -232 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 70,196,884 km

• M1: 52,210 km (0.042 R)
• M2: 475,123 km (0.036 R)
• M3: 613,351 km (0.07 R)
• M4: 778,956 km (0.104 R)
• M5: 950,994 km (0.088 R)
• M6: 1,188,106 km (0.108 R)
• M7: 1,417,589 km (0.085 R)
• M8: 2,858,067 km (0.046 R)
• M9: 4,441,262 km (0.097 R)
• M10: 4,746,591 km (0.062 R)
• M11: 6,791,145 km (0.118 R)
• M12: 8,153,982 km (0.093 R)
• M13: 8,304,627 km (0.118 R)
• M14: 10,793,486 km (0.084 R)
• M15: 13,387,364 km (0.116 R)
• M16: 15,203,482 km (0.064 R)
• M17: 15,355,473 km (0.068 R)
• M18: 16,288,964 km (0.106 R)
• M19: 18,182,873 km (0.115 R)
• M20: 18,440,182 km (0.089 R)
• M21: 18,613,117 km (0.114 R)
• M22: 19,944,837 km (0.106 R)
• M23: 23,701,688 km (0.038 R)
• M24: 24,631,140 km (0.081 R)
• M25: 27,451,957 km (0.081 R)
• M26: 28,940,007 km (0.076 R)
• M27: 29,881,875 km (0.086 R)
• M28: 30,240,312 km (0.079 R)
• M29: 31,087,784 km (0.07 R)
• M30: 33,854,297 km (0.083 R)
• M31: 37,054,495 km (0.113 R)
• M32: 46,402,118 km (0.109 R)
• M33: 46,562,038 km (0.086 R)
• M34: 48,344,347 km (0.057 R)
• M35: 48,838,319 km (0.093 R)
• M36: 51,872,463 km (0.087 R)
• M37: 53,611,389 km (0.111 R)
• M38: 57,204,730 km (0.077 R)
• M39: 57,757,195 km (0.113 R)
• M40: 59,247,937 km (0.113 R)
• M41: 60,764,112 km (0.053 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 16,986 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit