🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.4

Radius: 11.9

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.39 AU - 0.63 AU

Year: 251 Days

Day: 5.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 5,211,826 km

• M1: 147,952 km (0.11 R)
• M2: 584,030 km (0.038 R)
• M3: 1,128,417 km (0.119 R)
• M4: 1,932,804 km (0.107 R)
• M5: 2,306,799 km (0.049 R)
• M6: 2,818,573 km (0.046 R)
• M7: 3,572,547 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.8

Radius: 12

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.42 AU - 0.68 AU

Year: 282 Days

Day: 6.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 5,211,826 km

• M1: 150,795 km (0.096 R)
• M2: 552,465 km (0.047 R)
• M3: 1,334,114 km (0.084 R)
• M4: 1,927,569 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.6

Radius: 9.8

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.53 AU - 0.75 AU

Year: 353 Days

Day: 5.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 5,211,826 km

• M1: 121,922 km (0.117 R)
• M2: 489,783 km (0.1 R)
• M3: 802,593 km (0.077 R)
• M4: 1,120,039 km (0.034 R)
• M5: 1,569,581 km (0.101 R)
• M6: 1,905,877 km (0.104 R)
• M7: 2,506,512 km (0.108 R)
• M8: 2,846,698 km (0.07 R)
• M9: 3,537,840 km (0.088 R)
• M10: 4,202,653 km (0.067 R)
• M11: 4,845,176 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.6

Radius: 9.9

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.59 AU - 0.87 AU

Year: 431 Days

Day: 7.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 5,211,826 km

• M1: 123,119 km (0.089 R)
• M2: 431,590 km (0.107 R)
• M3: 882,328 km (0.103 R)
• M4: 1,190,649 km (0.056 R)
• M5: 1,897,649 km (0.093 R)
• M6: 2,259,077 km (0.085 R)
• M7: 2,676,007 km (0.112 R)
• M8: 3,571,350 km (0.106 R)
• M9: 3,885,655 km (0.085 R)
• M10: 4,244,989 km (0.114 R)
• M11: 4,598,489 km (0.116 R)
• M12: 4,956,925 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.3

Radius: 13.4

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.83 AU - 1.25 AU

Year: 732 Days

Day: 12.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 5,211,826 km

• M1: 166,652 km (0.095 R)
• M2: 771,177 km (0.087 R)
• M3: 1,245,552 km (0.111 R)
• M4: 1,732,044 km (0.104 R)
• M5: 2,320,712 km (0.032 R)
• M6: 2,808,401 km (0.076 R)
• M7: 3,286,964 km (0.105 R)
• M8: 3,771,512 km (0.078 R)
• M9: 4,742,851 km (0.061 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: 395 - 18,703 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit