🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364

Radius: 12.3

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.44 AU - 0.64 AU

Year: 274 Days

Day: 8.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,568,902 km

• M1: 153,039 km (0.069 R)
• M2: 922,720 km (0.093 R)
• M3: 1,402,181 km (0.059 R)
• M4: 1,829,582 km (0.105 R)
• M5: 2,476,443 km (0.117 R)
• M6: 2,965,030 km (0.059 R)
• M7: 3,348,898 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.2

Radius: 10.6

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.19 AU - 1.87 AU

Year: 1306 Days

Day: 5.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,568,902 km

• M1: 131,945 km (0.058 R)
• M2: 565,779 km (0.111 R)
• M3: 1,339,499 km (0.12 R)
• M4: 1,810,433 km (0.107 R)
• M5: 2,265,061 km (0.067 R)
• M6: 2,821,266 km (0.12 R)
• M7: 3,421,602 km (0.107 R)
• M8: 3,808,463 km (0.104 R)
• M9: 5,168,756 km (0.088 R)
• M10: 5,807,988 km (0.116 R)
• M11: 6,475,942 km (0.101 R)
• M12: 7,521,931 km (0.106 R)
• M13: 7,859,274 km (0.101 R)
• M14: 8,904,215 km (0.109 R)
• M15: 9,610,317 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.6

Radius: 11.8

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.68 AU - 2.8 AU

Year: 3131 Days

Day: 5.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,568,902 km

• M1: 172,486 km (0.047 R)
• M2: 1,029,682 km (0.114 R)
• M3: 1,439,880 km (0.097 R)
• M4: 1,948,512 km (0.069 R)
• M5: 2,531,794 km (0.069 R)
• M6: 2,945,432 km (0.104 R)
• M7: 3,736,805 km (0.108 R)
• M8: 4,152,089 km (0.073 R)
• M9: 4,867,616 km (0.058 R)
• M10: 6,133,214 km (0.105 R)
• M11: 7,331,044 km (0.115 R)
• M12: 10,452,852 km (0.027 R)
• M13: 11,404,893 km (0.111 R)
• M14: 15,195,553 km (0.119 R)
• M15: 15,900,159 km (0.045 R)
• M16: 16,626,307 km (0.102 R)
• M17: 17,483,054 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.2

Radius: 13.5

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.02 AU - 6.04 AU

Year: 8976 Days

Day: 10.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 49,568,902 km

• M1: 168,148 km (0.098 R)
• M2: 618,886 km (0.097 R)
• M3: 1,097,600 km (0.089 R)
• M4: 1,992,045 km (0.04 R)
• M5: 2,570,091 km (0.066 R)
• M6: 3,305,963 km (0.086 R)
• M7: 3,749,970 km (0.104 R)
• M8: 4,639,628 km (0.056 R)
• M9: 7,480,941 km (0.117 R)
• M10: 9,268,486 km (0.119 R)
• M11: 9,806,589 km (0.116 R)
• M12: 13,609,816 km (0.086 R)
• M13: 14,695,747 km (0.106 R)
• M14: 16,609,104 km (0.055 R)
• M15: 17,112,500 km (0.109 R)
• M16: 18,149,513 km (0.094 R)
• M17: 19,071,485 km (0.05 R)
• M18: 20,594,840 km (0.108 R)
• M19: 21,853,706 km (0.11 R)
• M20: 23,611,182 km (0.062 R)
• M21: 26,421,677 km (0.093 R)
• M22: 26,910,862 km (0.085 R)
• M23: 28,414,769 km (0.064 R)
• M24: 33,262,638 km (0.054 R)
• M25: 34,876,799 km (0.054 R)
• M26: 35,347,434 km (0.03 R)
• M27: 36,421,846 km (0.09 R)
• M28: 38,136,237 km (0.117 R)
• M29: 41,462,097 km (0.097 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 17,374 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit