🌌 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: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.6

Radius: 13.9

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.68 AU - 0.82 AU

Year: 419 Days

Day: 10 Hours

Environment

Temp: -145 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,272,260 km

• M1: 172,935 km (0.111 R)
• M2: 789,129 km (0.093 R)
• M3: 1,311,973 km (0.071 R)
• M4: 1,985,463 km (0.071 R)
• M5: 2,599,113 km (0.066 R)
• M6: 3,104,305 km (0.096 R)
• M7: 3,560,130 km (0.095 R)
• M8: 4,199,661 km (0.068 R)
• M9: 4,718,616 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320

Radius: 12.5

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.95 AU - 1.13 AU

Year: 685 Days

Day: 7.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,272,260 km

• M1: 155,432 km (0.046 R)
• M2: 549,772 km (0.105 R)
• M3: 1,352,066 km (0.086 R)
• M4: 2,237,386 km (0.095 R)
• M5: 2,809,448 km (0.055 R)
• M6: 3,817,738 km (0.113 R)
• M7: 4,866,568 km (0.086 R)
• M8: 5,442,221 km (0.09 R)
• M9: 6,225,366 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.3

Radius: 8.9

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.39 AU - 1.85 AU

Year: 1331 Days

Day: 6.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,272,260 km

• M1: 133,890 km (0.088 R)
• M2: 820,993 km (0.083 R)
• M3: 2,800,173 km (0.101 R)
• M4: 3,551,154 km (0.115 R)
• M5: 4,111,997 km (0.077 R)
• M6: 4,886,166 km (0.092 R)
• M7: 5,931,556 km (0.058 R)
• M8: 6,359,705 km (0.078 R)
• M9: 8,183,004 km (0.085 R)
• M10: 8,534,708 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577

Radius: 9.8

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.26 AU - 2.54 AU

Year: 2401 Days

Day: 8.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,272,260 km

• M1: 131,796 km (0.027 R)
• M2: 798,404 km (0.081 R)
• M3: 1,380,938 km (0.117 R)
• M4: 2,563,360 km (0.11 R)
• M5: 4,240,202 km (0.065 R)
• M6: 5,462,117 km (0.106 R)
• M7: 6,575,874 km (0.106 R)
• M8: 7,624,405 km (0.032 R)
• M9: 8,425,502 km (0.118 R)
• M10: 9,078,945 km (0.118 R)
• M11: 9,765,899 km (0.097 R)
• M12: 13,467,249 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160

Radius: 14.9

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.21 AU - 3.27 AU

Year: 2928 Days

Day: 9.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,272,260 km

• M1: 185,352 km (0.105 R)
• M2: 774,019 km (0.1 R)
• M3: 1,256,173 km (0.071 R)
• M4: 1,751,193 km (0.089 R)
• M5: 2,297,075 km (0.116 R)
• M6: 2,984,926 km (0.11 R)
• M7: 3,807,864 km (0.113 R)
• M8: 4,567,971 km (0.07 R)
• M9: 5,686,065 km (0.116 R)
• M10: 6,181,833 km (0.082 R)
• M11: 6,804,908 km (0.104 R)
• M12: 7,683,047 km (0.087 R)
• M13: 9,354,355 km (0.065 R)
• M14: 11,467,874 km (0.064 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 491.1

Radius: 4.3

Gravity: 26.56 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 7.81 AU - 8.49 AU

Year: 15023 Days

Day: 21.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,272,260 km

• M1: 53,706 km (0.081 R)
• M2: 188,793 km (0.105 R)
• M3: 860,188 km (0.094 R)
• M4: 1,827,488 km (0.051 R)
• M5: 2,110,826 km (0.1 R)
• M6: 3,162,798 km (0.112 R)
• M7: 3,337,229 km (0.046 R)
• M8: 3,571,200 km (0.075 R)
• M9: 4,159,419 km (0.065 R)
• M10: 4,369,155 km (0.108 R)
• M11: 4,554,507 km (0.09 R)
• M12: 5,314,315 km (0.096 R)
• M13: 6,116,608 km (0.079 R)
• M14: 6,506,909 km (0.1 R)
• M15: 6,748,809 km (0.071 R)
• M16: 7,511,010 km (0.086 R)
• M17: 7,867,502 km (0.12 R)
• M18: 9,204,308 km (0.097 R)
• M19: 11,366,446 km (0.115 R)
• M20: 13,647,365 km (0.092 R)
• M21: 14,999,131 km (0.102 R)
• M22: 15,996,800 km (0.112 R)
• M23: 18,844,844 km (0.096 R)
• M24: 22,375,952 km (0.112 R)
• M25: 23,676,107 km (0.116 R)
• M26: 27,561,613 km (0.119 R)
• M27: 32,198,698 km (0.116 R)
• M28: 44,116,562 km (0.108 R)
• M29: 44,548,002 km (0.089 R)
• M30: 46,747,839 km (0.062 R)
• M31: 47,346,529 km (0.108 R)
• M32: 51,204,359 km (0.04 R)
• M33: 54,602,475 km (0.115 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 18,920 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit