🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.28 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.5

Radius: 8.9

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.93 AU - 3.17 AU

Year: 2811 Days

Day: 6.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,881,051 km

• M1: 110,702 km (0.12 R)
• M2: 859,290 km (0.043 R)
• M3: 1,170,304 km (0.107 R)
• M4: 2,362,599 km (0.034 R)
• M5: 3,099,518 km (0.1 R)
• M6: 4,257,406 km (0.073 R)
• M7: 4,638,581 km (0.119 R)
• M8: 5,242,957 km (0.045 R)
• M9: 7,095,128 km (0.1 R)
• M10: 7,790,608 km (0.11 R)
• M11: 8,903,317 km (0.089 R)
• M12: 9,528,337 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.2

Radius: 14.5

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.75 AU - 4.13 AU

Year: 5398 Days

Day: 6.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,881,051 km

• M1: 181,612 km (0.049 R)
• M2: 685,757 km (0.098 R)
• M3: 1,438,084 km (0.077 R)
• M4: 2,051,286 km (0.062 R)
• M5: 3,591,546 km (0.109 R)
• M6: 4,348,810 km (0.116 R)
• M7: 4,820,343 km (0.088 R)
• M8: 6,087,586 km (0.116 R)
• M9: 7,603,910 km (0.077 R)
• M10: 8,856,194 km (0.112 R)
• M11: 10,563,405 km (0.095 R)
• M12: 11,767,817 km (0.119 R)
• M13: 12,325,967 km (0.092 R)
• M14: 14,506,206 km (0.103 R)
• M15: 17,975,680 km (0.107 R)
• M16: 20,189,130 km (0.075 R)
• M17: 22,193,592 km (0.1 R)
• M18: 23,047,048 km (0.057 R)
• M19: 27,469,759 km (0.114 R)
• M20: 28,635,276 km (0.067 R)
• M21: 30,682,523 km (0.082 R)
• M22: 32,428,779 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.5

Radius: 8.8

Gravity: 11.93 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.25 AU - 5.33 AU

Year: 6133 Days

Day: 11.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,881,051 km

• M1: 113,395 km (0.107 R)
• M2: 543,639 km (0.029 R)
• M3: 1,088,025 km (0.106 R)
• M4: 1,516,922 km (0.069 R)
• M5: 2,055,774 km (0.064 R)
• M6: 2,641,450 km (0.031 R)
• M7: 3,819,383 km (0.06 R)
• M8: 5,562,049 km (0.109 R)
• M9: 6,011,740 km (0.1 R)
• M10: 6,313,479 km (0.076 R)
• M11: 9,776,969 km (0.083 R)
• M12: 12,094,240 km (0.051 R)
• M13: 13,866,975 km (0.101 R)
• M14: 17,646,415 km (0.113 R)
• M15: 24,100,217 km (0.093 R)
• M16: 25,643,917 km (0.084 R)
• M17: 26,529,387 km (0.092 R)
• M18: 30,966,161 km (0.03 R)
• M19: 33,099,277 km (0.054 R)
• M20: 35,655,007 km (0.091 R)
• M21: 37,430,135 km (0.037 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 960.8

Radius: 4.5

Gravity: 47.45 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 7.35 AU - 10.95 AU

Year: 19105 Days

Day: 15.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 42,881,051 km

• M1: 56,548 km (0.097 R)
• M2: 263,591 km (0.091 R)
• M3: 433,535 km (0.091 R)
• M4: 798,853 km (0.098 R)
• M5: 971,489 km (0.057 R)
• M6: 1,829,732 km (0.114 R)
• M7: 2,069,387 km (0.061 R)
• M8: 2,587,445 km (0.054 R)
• M9: 5,339,597 km (0.102 R)
• M10: 5,540,208 km (0.071 R)
• M11: 5,829,530 km (0.069 R)
• M12: 6,851,433 km (0.12 R)
• M13: 8,196,916 km (0.078 R)
• M14: 8,410,243 km (0.075 R)
• M15: 8,627,160 km (0.073 R)
• M16: 8,903,616 km (0.053 R)
• M17: 10,190,757 km (0.118 R)
• M18: 11,136,365 km (0.116 R)
• M19: 11,398,161 km (0.092 R)
• M20: 13,567,629 km (0.058 R)
• M21: 16,080,425 km (0.085 R)
• M22: 17,977,326 km (0.087 R)
• M23: 19,353,028 km (0.069 R)
• M24: 20,114,630 km (0.087 R)
• M25: 24,664,051 km (0.096 R)
• M26: 27,176,398 km (0.119 R)
• M27: 33,239,151 km (0.092 R)
• M28: 44,747,117 km (0.046 R)
• M29: 46,920,026 km (0.052 R)
• M30: 47,089,969 km (0.094 R)
• M31: 48,291,539 km (0.061 R)
• M32: 54,419,367 km (0.072 R)
• M33: 55,361,983 km (0.082 R)
• M34: 66,889,846 km (0.103 R)
• M35: 77,519,373 km (0.111 R)
• M36: 80,890,411 km (0.221 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 108.7

Radius: 5.9

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 7.43 AU - 12.21 AU

Year: 21241 Days

Day: 18.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,881,051 km

• M1: 77,791 km (0.086 R)
• M2: 310,715 km (0.098 R)
• M3: 1,611,767 km (0.069 R)
• M4: 2,330,884 km (0.08 R)
• M5: 3,177,459 km (0.116 R)
• M6: 3,769,866 km (0.09 R)
• M7: 4,105,714 km (0.116 R)
• M8: 4,690,192 km (0.094 R)
• M9: 6,628,532 km (0.098 R)
• M10: 19,013,590 km (0.033 R)
• M11: 19,769,209 km (0.061 R)
• M12: 21,019,398 km (0.043 R)
• M13: 23,418,051 km (0.089 R)
• M14: 27,587,343 km (0.102 R)
• M15: 32,974,363 km (0.076 R)
• M16: 39,384,931 km (0.108 R)
• M17: 39,750,099 km (0.101 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 380 - 15,062 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit