🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.1

Radius: 8

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.64 AU - 0.72 AU

Year: 387 Days

Day: 9.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 74.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,580,055 km

• M1: 99,483 km (0.109 R)
• M2: 389,553 km (0.112 R)
• M3: 1,154,896 km (0.099 R)
• M4: 1,428,510 km (0.051 R)
• M5: 2,086,741 km (0.043 R)
• M6: 2,769,655 km (0.032 R)
• M7: 3,650,188 km (0.108 R)
• M8: 4,014,010 km (0.099 R)
• M9: 4,286,727 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.1

Radius: 10.3

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.69 AU - 0.91 AU

Year: 494 Days

Day: 8.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,580,055 km

• M1: 128,056 km (0.059 R)
• M2: 463,903 km (0.119 R)
• M3: 826,977 km (0.089 R)
• M4: 1,204,412 km (0.072 R)
• M5: 2,155,556 km (0.092 R)
• M6: 2,721,784 km (0.046 R)
• M7: 3,591,396 km (0.095 R)
• M8: 3,946,990 km (0.114 R)
• M9: 4,326,221 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336

Radius: 9.6

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.97 AU - 1.01 AU

Year: 680 Days

Day: 13.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,580,055 km

• M1: 119,828 km (0.05 R)
• M2: 442,511 km (0.06 R)
• M3: 983,008 km (0.049 R)
• M4: 1,318,556 km (0.113 R)
• M5: 2,339,860 km (0.1 R)
• M6: 3,235,353 km (0.115 R)
• M7: 3,550,705 km (0.107 R)
• M8: 4,867,616 km (0.062 R)
• M9: 5,416,191 km (0.085 R)
• M10: 6,278,922 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.5

Radius: 12.3

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.34 AU - 2.2 AU

Year: 1625 Days

Day: 14.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,580,055 km

• M1: 156,180 km (0.052 R)
• M2: 574,605 km (0.065 R)
• M3: 1,038,209 km (0.058 R)
• M4: 2,213,300 km (0.107 R)
• M5: 3,140,807 km (0.104 R)
• M6: 3,642,409 km (0.113 R)
• M7: 4,328,166 km (0.118 R)
• M8: 5,458,078 km (0.042 R)
• M9: 6,865,794 km (0.073 R)
• M10: 7,496,798 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.7

Radius: 13.8

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.81 AU - 2.69 AU

Year: 2330 Days

Day: 7.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 20,580,055 km

• M1: 171,738 km (0.104 R)
• M2: 796,609 km (0.103 R)
• M3: 1,918,742 km (0.115 R)
• M4: 2,734,649 km (0.109 R)
• M5: 3,274,249 km (0.045 R)
• M6: 4,528,028 km (0.046 R)
• M7: 5,576,859 km (0.047 R)
• M8: 6,081,004 km (0.091 R)
• M9: 6,894,367 km (0.117 R)
• M10: 7,476,004 km (0.112 R)
• M11: 9,143,571 km (0.094 R)
• M12: 9,955,439 km (0.094 R)
• M13: 10,891,922 km (0.111 R)
• M14: 11,361,958 km (0.063 R)
• M15: 12,427,095 km (0.082 R)
• M16: 12,940,665 km (0.086 R)
• M17: 13,468,296 km (0.077 R)
• M18: 15,186,577 km (0.074 R)
• M19: 15,973,163 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.5

Radius: 10

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.93 AU - 3.07 AU

Year: 3587 Days

Day: 9.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 20,580,055 km

• M1: 124,465 km (0.07 R)
• M2: 591,510 km (0.094 R)
• M3: 1,047,634 km (0.11 R)
• M4: 1,358,648 km (0.119 R)
• M5: 2,175,452 km (0.114 R)
• M6: 4,310,513 km (0.089 R)
• M7: 5,625,179 km (0.034 R)
• M8: 7,630,090 km (0.114 R)
• M9: 8,340,081 km (0.056 R)
• M10: 12,275,552 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.4

Radius: 12.7

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.64 AU - 4.06 AU

Year: 5214 Days

Day: 11.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 20,580,055 km

• M1: 159,621 km (0.063 R)
• M2: 630,705 km (0.084 R)
• M3: 1,296,266 km (0.035 R)
• M4: 1,714,541 km (0.109 R)
• M5: 2,634,867 km (0.067 R)
• M6: 3,146,941 km (0.087 R)
• M7: 3,880,569 km (0.109 R)
• M8: 4,885,118 km (0.113 R)
• M9: 5,337,652 km (0.113 R)
• M10: 6,750,754 km (0.11 R)
• M11: 7,283,472 km (0.074 R)
• M12: 8,333,200 km (0.058 R)
• M13: 9,627,371 km (0.075 R)
• M14: 10,303,553 km (0.068 R)
• M15: 11,792,950 km (0.119 R)
• M16: 13,147,558 km (0.028 R)
• M17: 13,933,246 km (0.119 R)
• M18: 16,584,570 km (0.073 R)
• M19: 17,833,712 km (0.069 R)
• M20: 19,615,422 km (0.047 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 19,664 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit