🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.5

Radius: 12.6

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.75 AU - 1.15 AU

Year: 651 Days

Day: 6.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,957,413 km

• M1: 156,779 km (0.096 R)
• M2: 573,409 km (0.071 R)
• M3: 1,265,000 km (0.118 R)
• M4: 1,692,700 km (0.111 R)
• M5: 2,520,874 km (0.068 R)
• M6: 3,142,303 km (0.089 R)
• M7: 3,810,856 km (0.045 R)
• M8: 4,572,459 km (0.108 R)
• M9: 6,417,898 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.4

Radius: 14

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.83 AU - 1.11 AU

Year: 672 Days

Day: 8.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,957,413 km

• M1: 174,132 km (0.08 R)
• M2: 787,334 km (0.1 R)
• M3: 1,509,592 km (0.082 R)
• M4: 2,373,969 km (0.117 R)
• M5: 2,831,439 km (0.118 R)
• M6: 3,283,673 km (0.106 R)
• M7: 3,798,739 km (0.058 R)
• M8: 4,399,225 km (0.05 R)
• M9: 5,010,481 km (0.095 R)
• M10: 5,734,834 km (0.072 R)
• M11: 6,994,897 km (0.057 R)
• M12: 7,783,876 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.7

Radius: 13.2

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.59 AU - 2.19 AU

Year: 1826 Days

Day: 11.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,957,413 km

• M1: 164,258 km (0.064 R)
• M2: 621,729 km (0.086 R)
• M3: 1,384,229 km (0.111 R)
• M4: 2,065,348 km (0.092 R)
• M5: 2,568,296 km (0.092 R)
• M6: 3,730,223 km (0.083 R)
• M7: 4,256,209 km (0.093 R)
• M8: 4,812,713 km (0.094 R)
• M9: 5,581,646 km (0.106 R)
• M10: 6,227,610 km (0.069 R)
• M11: 7,019,581 km (0.075 R)
• M12: 8,305,075 km (0.116 R)
• M13: 9,206,702 km (0.03 R)
• M14: 9,863,736 km (0.093 R)
• M15: 10,488,008 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.3

Radius: 14

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.09 AU - 3.01 AU

Year: 2862 Days

Day: 13 Hours

Environment

Temp: -204 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,957,413 km

• M1: 174,431 km (0.073 R)
• M2: 716,125 km (0.094 R)
• M3: 1,176,737 km (0.117 R)
• M4: 1,877,453 km (0.117 R)
• M5: 2,445,327 km (0.105 R)
• M6: 2,937,803 km (0.094 R)
• M7: 3,620,268 km (0.106 R)
• M8: 4,552,114 km (0.098 R)
• M9: 5,075,257 km (0.119 R)
• M10: 5,960,727 km (0.113 R)
• M11: 8,101,473 km (0.119 R)
• M12: 8,708,541 km (0.078 R)
• M13: 10,489,653 km (0.074 R)
• M14: 11,095,524 km (0.064 R)
• M15: 11,966,782 km (0.054 R)
• M16: 12,544,679 km (0.098 R)
• M17: 13,845,732 km (0.082 R)
• M18: 14,529,244 km (0.043 R)
• M19: 15,427,131 km (0.076 R)
• M20: 17,701,467 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.1

Radius: 13

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.08 AU - 4.6 AU

Year: 6355 Days

Day: 9.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,957,413 km

• M1: 161,715 km (0.085 R)
• M2: 630,705 km (0.09 R)
• M3: 1,077,703 km (0.112 R)
• M4: 1,626,877 km (0.099 R)
• M5: 2,088,835 km (0.037 R)
• M6: 2,514,441 km (0.094 R)
• M7: 4,257,555 km (0.067 R)
• M8: 5,035,315 km (0.095 R)
• M9: 5,625,478 km (0.112 R)
• M10: 6,327,691 km (0.043 R)
• M11: 7,378,616 km (0.061 R)
• M12: 8,501,946 km (0.102 R)
• M13: 14,214,042 km (0.076 R)
• M14: 14,856,265 km (0.096 R)
• M15: 16,198,757 km (0.074 R)
• M16: 19,763,225 km (0.101 R)
• M17: 20,637,475 km (0.097 R)
• M18: 21,461,460 km (0.099 R)
• M19: 24,311,898 km (0.068 R)
• M20: 27,316,721 km (0.037 R)
• M21: 30,273,224 km (0.075 R)
• M22: 32,425,638 km (0.053 R)
• M23: 33,334,894 km (0.089 R)
• M24: 34,678,133 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.2

Radius: 5.9

Gravity: 25.4 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5.97 AU - 9.77 AU

Year: 15519 Days

Day: 16.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,957,413 km

• M1: 75,397 km (0.085 R)
• M2: 537,804 km (0.07 R)
• M3: 1,232,088 km (0.104 R)
• M4: 2,017,477 km (0.089 R)
• M5: 2,918,206 km (0.049 R)
• M6: 3,670,982 km (0.063 R)
• M7: 4,889,906 km (0.072 R)
• M8: 5,177,283 km (0.045 R)
• M9: 5,746,802 km (0.072 R)
• M10: 6,399,199 km (0.116 R)
• M11: 7,190,870 km (0.108 R)
• M12: 8,808,921 km (0.115 R)
• M13: 10,185,820 km (0.108 R)
• M14: 15,548,903 km (0.092 R)
• M15: 20,624,909 km (0.073 R)
• M16: 36,665,092 km (0.065 R)
• M17: 37,075,289 km (0.083 R)
• M18: 47,859,949 km (0.102 R)
• M19: 49,173,568 km (0.111 R)
• M20: 49,672,327 km (0.098 R)
• M21: 64,052,124 km (0.084 R)
• M22: 69,747,913 km (0.109 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: 262 - 11,800 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit