🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.3

Radius: 9.8

Gravity: 9.09 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.54 AU - 0.74 AU

Year: 347 Days

Day: 6.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,723,966 km

• M1: 121,922 km (0.063 R)
• M2: 860,936 km (0.083 R)
• M3: 1,199,476 km (0.055 R)
• M4: 1,546,842 km (0.113 R)
• M5: 2,025,705 km (0.108 R)
• M6: 2,359,009 km (0.117 R)
• M7: 2,912,820 km (0.072 R)
• M8: 3,237,896 km (0.07 R)
• M9: 3,771,213 km (0.099 R)
• M10: 4,644,415 km (0.103 R)
• M11: 5,074,958 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.6

Radius: 9.6

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.23 AU - 1.73 AU

Year: 1221 Days

Day: 13.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,723,966 km

• M1: 121,623 km (0.111 R)
• M2: 476,918 km (0.105 R)
• M3: 896,241 km (0.065 R)
• M4: 1,254,977 km (0.064 R)
• M5: 2,219,584 km (0.087 R)
• M6: 2,717,146 km (0.102 R)
• M7: 3,587,357 km (0.106 R)
• M8: 4,192,480 km (0.086 R)
• M9: 5,706,710 km (0.098 R)
• M10: 6,554,032 km (0.104 R)
• M11: 9,037,656 km (0.114 R)
• M12: 9,716,232 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.6

Radius: 12.8

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.62 AU - 3.06 AU

Year: 3246 Days

Day: 11.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,723,966 km

• M1: 159,172 km (0.118 R)
• M2: 557,701 km (0.087 R)
• M3: 1,675,646 km (0.084 R)
• M4: 2,889,782 km (0.032 R)
• M5: 4,349,109 km (0.1 R)
• M6: 4,819,894 km (0.082 R)
• M7: 6,996,992 km (0.072 R)
• M8: 8,079,482 km (0.095 R)
• M9: 8,727,540 km (0.104 R)
• M10: 9,728,499 km (0.098 R)
• M11: 10,881,600 km (0.108 R)
• M12: 11,551,648 km (0.116 R)
• M13: 14,510,395 km (0.101 R)
• M14: 15,814,290 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.4

Radius: 11.6

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.81 AU - 4.51 AU

Year: 4749 Days

Day: 10.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,723,966 km

• M1: 144,362 km (0.04 R)
• M2: 554,260 km (0.12 R)
• M3: 1,169,706 km (0.098 R)
• M4: 1,581,549 km (0.034 R)
• M5: 2,691,116 km (0.093 R)
• M6: 3,952,675 km (0.055 R)
• M7: 5,174,142 km (0.071 R)
• M8: 7,421,102 km (0.117 R)
• M9: 8,348,160 km (0.098 R)
• M10: 11,643,053 km (0.094 R)
• M11: 14,622,593 km (0.111 R)
• M12: 15,838,226 km (0.047 R)
• M13: 20,519,293 km (0.047 R)
• M14: 23,173,757 km (0.111 R)
• M15: 24,663,303 km (0.047 R)
• M16: 27,919,301 km (0.102 R)
• M17: 30,242,556 km (0.087 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 388.5

Radius: 7.5

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.25 AU - 6.69 AU

Year: 9894 Days

Day: 18.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,723,966 km

• M1: 102,175 km (0.096 R)
• M2: 436,826 km (0.095 R)
• M3: 858,243 km (0.113 R)
• M4: 1,092,064 km (0.102 R)
• M5: 1,637,947 km (0.119 R)
• M6: 1,988,754 km (0.105 R)
• M7: 2,646,536 km (0.117 R)
• M8: 2,922,544 km (0.073 R)
• M9: 3,218,000 km (0.116 R)
• M10: 4,070,408 km (0.111 R)
• M11: 4,521,745 km (0.073 R)
• M12: 5,587,480 km (0.117 R)
• M13: 7,106,647 km (0.067 R)
• M14: 7,643,105 km (0.082 R)
• M15: 10,347,685 km (0.045 R)
• M16: 10,590,183 km (0.101 R)
• M17: 12,342,124 km (0.118 R)
• M18: 13,864,581 km (0.051 R)
• M19: 14,100,198 km (0.102 R)
• M20: 18,175,692 km (0.106 R)
• M21: 23,721,585 km (0.114 R)
• M22: 24,917,021 km (0.091 R)
• M23: 25,529,625 km (0.078 R)
• M24: 38,111,703 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 364

Radius: 7.2

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 7.39 AU - 9.87 AU

Year: 17195 Days

Day: 18.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,723,966 km

• M1: 89,609 km (0.081 R)
• M2: 403,316 km (0.055 R)
• M3: 698,173 km (0.048 R)
• M4: 1,001,259 km (0.053 R)
• M5: 1,561,802 km (0.042 R)
• M6: 2,354,222 km (0.118 R)
• M7: 2,620,805 km (0.057 R)
• M8: 3,118,218 km (0.116 R)
• M9: 5,434,442 km (0.059 R)
• M10: 5,719,426 km (0.081 R)
• M11: 7,382,954 km (0.119 R)
• M12: 7,912,231 km (0.081 R)
• M13: 8,278,746 km (0.076 R)
• M14: 8,561,187 km (0.104 R)
• M15: 8,801,441 km (0.079 R)
• M16: 11,690,924 km (0.075 R)
• M17: 12,287,670 km (0.085 R)
• M18: 13,093,853 km (0.102 R)
• M19: 16,524,431 km (0.055 R)
• M20: 17,505,793 km (0.107 R)
• M21: 20,340,224 km (0.058 R)
• M22: 20,682,354 km (0.047 R)
• M23: 29,985,696 km (0.042 R)
• M24: 33,300,336 km (0.087 R)
• M25: 37,744,889 km (0.051 R)
• M26: 41,190,278 km (0.083 R)
• M27: 46,151,242 km (0.103 R)
• M28: 47,638,694 km (0.07 R)
• M29: 52,132,315 km (0.109 R)
• M30: 54,235,362 km (0.064 R)
• M31: 55,059,048 km (0.086 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 19,914 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit