🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.1

Radius: 14.5

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.63 AU - 0.69 AU

Year: 364 Days

Day: 9.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,472,698 km

• M1: 180,714 km (0.043 R)
• M2: 650,900 km (0.079 R)
• M3: 1,510,340 km (0.097 R)
• M4: 2,028,398 km (0.047 R)
• M5: 2,499,032 km (0.104 R)
• M6: 3,083,362 km (0.096 R)
• M7: 3,862,467 km (0.08 R)
• M8: 4,401,020 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.5

Radius: 9.2

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.53 AU - 0.83 AU

Year: 380 Days

Day: 9.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,472,698 km

• M1: 114,891 km (0.096 R)
• M2: 431,291 km (0.059 R)
• M3: 851,810 km (0.082 R)
• M4: 1,451,249 km (0.067 R)
• M5: 2,335,821 km (0.102 R)
• M6: 2,640,253 km (0.089 R)
• M7: 2,981,635 km (0.073 R)
• M8: 3,363,409 km (0.055 R)
• M9: 3,682,800 km (0.079 R)
• M10: 4,174,379 km (0.089 R)
• M11: 4,653,691 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.4

Radius: 10.5

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.85 AU - 1.29 AU

Year: 751 Days

Day: 10.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 66,472,698 km

• M1: 130,898 km (0.042 R)
• M2: 471,383 km (0.119 R)
• M3: 846,724 km (0.066 R)
• M4: 1,182,122 km (0.057 R)
• M5: 2,163,185 km (0.12 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 448.1

Radius: 7.4

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 6.24 AU - 7.06 AU

Year: 11631 Days

Day: 20.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 66,472,698 km

• M1: 92,751 km (0.06 R)
• M2: 407,056 km (0.107 R)
• M3: 826,977 km (0.056 R)
• M4: 1,068,129 km (0.105 R)
• M5: 1,568,982 km (0.117 R)
• M6: 1,881,343 km (0.108 R)
• M7: 3,422,350 km (0.048 R)
• M8: 4,504,392 km (0.114 R)
• M9: 6,292,535 km (0.109 R)
• M10: 6,775,886 km (0.057 R)
• M11: 7,204,185 km (0.108 R)
• M12: 8,508,229 km (0.085 R)
• M13: 10,062,102 km (0.092 R)
• M14: 10,827,445 km (0.073 R)
• M15: 13,598,446 km (0.094 R)
• M16: 14,597,012 km (0.058 R)
• M17: 18,402,932 km (0.064 R)
• M18: 18,854,268 km (0.097 R)
• M19: 19,236,192 km (0.119 R)
• M20: 19,545,411 km (0.058 R)
• M21: 20,253,158 km (0.104 R)
• M22: 20,573,148 km (0.057 R)
• M23: 20,896,579 km (0.037 R)
• M24: 22,995,137 km (0.114 R)
• M25: 24,140,010 km (0.111 R)
• M26: 25,230,279 km (0.098 R)
• M27: 29,920,322 km (0.116 R)
• M28: 31,819,168 km (0.114 R)
• M29: 34,021,697 km (0.08 R)
• M30: 34,816,062 km (0.038 R)
• M31: 38,727,897 km (0.051 R)
• M32: 41,879,475 km (0.104 R)
• M33: 42,138,728 km (0.093 R)
• M34: 44,655,563 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.9

Radius: 4.2

Gravity: 16.6 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 7.35 AU - 11.51 AU

Year: 19641 Days

Day: 15.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 66,472,698 km

• M1: 52,509 km (0.1 R)
• M2: 243,246 km (0.037 R)
• M3: 465,399 km (0.087 R)
• M4: 598,990 km (0.068 R)
• M5: 834,457 km (0.099 R)
• M6: 1,721,572 km (0.11 R)
• M7: 2,736,444 km (0.096 R)
• M8: 3,838,981 km (0.068 R)
• M9: 4,677,626 km (0.116 R)
• M10: 5,382,083 km (0.04 R)
• M11: 5,778,068 km (0.116 R)
• M12: 5,926,768 km (0.066 R)
• M13: 6,388,278 km (0.078 R)
• M14: 6,790,995 km (0.1 R)
• M15: 8,008,124 km (0.099 R)
• M16: 9,830,226 km (0.035 R)
• M17: 10,978,389 km (0.12 R)
• M18: 14,884,988 km (0.03 R)
• M19: 15,735,003 km (0.083 R)
• M20: 17,531,374 km (0.081 R)
• M21: 20,389,442 km (0.103 R)
• M22: 21,083,576 km (0.06 R)
• M23: 23,260,823 km (0.088 R)
• M24: 27,110,575 km (0.106 R)
• M25: 27,949,520 km (0.053 R)
• M26: 28,375,425 km (0.112 R)
• M27: 29,240,250 km (0.108 R)
• M28: 33,829,015 km (0.081 R)
• M29: 34,434,288 km (0.092 R)
• M30: 34,923,773 km (0.051 R)
• M31: 35,541,911 km (0.081 R)
• M32: 39,539,016 km (0.117 R)
• M33: 39,806,797 km (0.088 R)
• M34: 42,972,886 km (0.089 R)
• M35: 43,540,011 km (0.075 R)
• M36: 44,112,223 km (0.044 R)
• M37: 47,802,653 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 317.9

Radius: 4.6

Gravity: 15.02 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 10.03 AU - 11.51 AU

Year: 23973 Days

Day: 15.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,472,698 km

• M1: 239,506 km (0.034 R)
• M2: 401,072 km (0.086 R)
• M3: 620,981 km (0.114 R)
• M4: 1,779,616 km (0.073 R)
• M5: 4,212,826 km (0.099 R)
• M6: 7,402,252 km (0.116 R)
• M7: 9,023,744 km (0.117 R)
• M8: 13,015,613 km (0.098 R)
• M9: 20,032,501 km (0.036 R)
• M10: 20,483,090 km (0.103 R)
• M11: 28,868,051 km (0.083 R)
• M12: 32,431,023 km (0.116 R)
• M13: 35,353,118 km (0.076 R)
• M14: 38,862,236 km (0.117 R)
• M15: 39,986,912 km (0.047 R)
• M16: 55,044,985 km (0.071 R)
• M17: 55,750,638 km (0.099 R)
• M18: 65,087,640 km (0.106 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: 286 - 17,580 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit