🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.9

Radius: 10

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.56 AU - 0.9 AU

Year: 397 Days

Day: 13.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 43,697,131 km

• M1: 124,316 km (0.064 R)
• M2: 505,192 km (0.118 R)
• M3: 1,485,656 km (0.119 R)
• M4: 2,108,881 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.2

Radius: 8.3

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.95 AU - 1.37 AU

Year: 794 Days

Day: 6.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,697,131 km

• M1: 103,372 km (0.08 R)
• M2: 418,724 km (0.11 R)
• M3: 786,885 km (0.057 R)
• M4: 1,216,380 km (0.094 R)
• M5: 1,619,995 km (0.107 R)
• M6: 1,921,136 km (0.092 R)
• M7: 2,197,443 km (0.036 R)
• M8: 2,481,529 km (0.048 R)
• M9: 2,790,000 km (0.049 R)
• M10: 3,203,339 km (0.068 R)
• M11: 4,332,354 km (0.116 R)
• M12: 4,604,323 km (0.101 R)
• M13: 5,103,980 km (0.077 R)
• M14: 5,473,188 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.7

Radius: 13.3

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.02 AU - 1.48 AU

Year: 889 Days

Day: 10.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,697,131 km

• M1: 165,455 km (0.075 R)
• M2: 1,283,849 km (0.118 R)
• M3: 2,338,664 km (0.093 R)
• M4: 3,674,572 km (0.067 R)
• M5: 4,779,203 km (0.082 R)
• M6: 5,986,907 km (0.111 R)
• M7: 7,217,499 km (0.1 R)
• M8: 8,153,832 km (0.081 R)
• M9: 9,516,669 km (0.075 R)
• M10: 10,705,822 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.2

Radius: 11.6

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.47 AU - 1.75 AU

Year: 1299 Days

Day: 14 Hours

Environment

Temp: -183 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,697,131 km

• M1: 148,850 km (0.117 R)
• M2: 578,645 km (0.101 R)
• M3: 1,065,286 km (0.049 R)
• M4: 1,433,746 km (0.117 R)
• M5: 1,852,470 km (0.093 R)
• M6: 3,014,995 km (0.095 R)
• M7: 3,584,066 km (0.104 R)
• M8: 4,044,229 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.5

Radius: 10.6

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.11 AU - 2.53 AU

Year: 2247 Days

Day: 5.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,697,131 km

• M1: 134,189 km (0.067 R)
• M2: 583,581 km (0.106 R)
• M3: 1,050,775 km (0.074 R)
• M4: 1,421,030 km (0.038 R)
• M5: 1,820,456 km (0.111 R)
• M6: 2,399,251 km (0.115 R)
• M7: 3,240,589 km (0.03 R)
• M8: 3,666,045 km (0.089 R)
• M9: 4,611,354 km (0.119 R)
• M10: 5,668,862 km (0.088 R)
• M11: 7,028,407 km (0.063 R)
• M12: 8,594,098 km (0.078 R)
• M13: 9,842,194 km (0.054 R)
• M14: 10,444,923 km (0.055 R)
• M15: 11,900,211 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.5

Radius: 14.8

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.84 AU - 3.04 AU

Year: 2423 Days

Day: 13.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,697,131 km

• M1: 185,501 km (0.105 R)
• M2: 662,569 km (0.113 R)
• M3: 1,180,926 km (0.08 R)
• M4: 1,726,359 km (0.118 R)
• M5: 3,140,957 km (0.097 R)
• M6: 3,641,811 km (0.085 R)
• M7: 4,582,033 km (0.069 R)
• M8: 6,072,626 km (0.106 R)
• M9: 6,856,818 km (0.101 R)
• M10: 8,938,922 km (0.117 R)
• M11: 9,992,839 km (0.114 R)
• M12: 11,622,259 km (0.099 R)
• M13: 12,435,024 km (0.07 R)
• M14: 13,608,170 km (0.075 R)
• M15: 14,173,949 km (0.105 R)
• M16: 15,002,422 km (0.117 R)
• M17: 15,504,623 km (0.032 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.5

Radius: 9.5

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.3 AU - 3.18 AU

Year: 2884 Days

Day: 10 Hours

Environment

Temp: -205 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,697,131 km

• M1: 118,182 km (0.112 R)
• M2: 637,736 km (0.119 R)
• M3: 1,079,648 km (0.078 R)
• M4: 1,434,045 km (0.101 R)
• M5: 1,823,748 km (0.111 R)
• M6: 2,462,082 km (0.119 R)
• M7: 3,725,585 km (0.116 R)
• M8: 4,067,417 km (0.09 R)
• M9: 4,371,699 km (0.073 R)
• M10: 4,690,940 km (0.085 R)
• M11: 5,133,900 km (0.109 R)
• M12: 5,604,535 km (0.119 R)
• M13: 6,326,644 km (0.112 R)
• M14: 6,736,392 km (0.053 R)
• M15: 7,867,950 km (0.112 R)
• M16: 9,025,539 km (0.113 R)
• M17: 11,866,253 km (0.072 R)
• M18: 12,690,088 km (0.09 R)
• M19: 13,095,648 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266.4

Radius: 3

Gravity: 29.6 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 6.29 AU - 9.39 AU

Year: 13957 Days

Day: 18.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 43,697,131 km

• M1: 37,250 km (0.075 R)
• M2: 259,403 km (0.086 R)
• M3: 441,613 km (0.117 R)
• M4: 896,690 km (0.058 R)
• M5: 1,276,070 km (0.065 R)
• M6: 2,471,058 km (0.086 R)
• M7: 4,745,992 km (0.102 R)
• M8: 4,956,776 km (0.092 R)
• M9: 5,111,161 km (0.092 R)
• M10: 8,424,305 km (0.055 R)
• M11: 9,515,023 km (0.082 R)
• M12: 9,898,592 km (0.096 R)
• M13: 10,094,266 km (0.112 R)
• M14: 10,292,334 km (0.108 R)
• M15: 10,442,679 km (0.048 R)
• M16: 10,594,372 km (0.115 R)
• M17: 10,902,394 km (0.086 R)
• M18: 12,082,870 km (0.076 R)
• M19: 12,362,469 km (0.107 R)
• M20: 12,934,830 km (0.056 R)
• M21: 13,109,860 km (0.101 R)
• M22: 13,286,535 km (0.093 R)
• M23: 15,141,399 km (0.04 R)
• M24: 18,678,192 km (0.111 R)
• M25: 18,901,841 km (0.108 R)
• M26: 19,354,673 km (0.107 R)
• M27: 26,099,892 km (0.06 R)
• M28: 30,609,071 km (0.026 R)
• M29: 31,233,043 km (0.1 R)
• M30: 33,373,789 km (0.11 R)
• M31: 35,155,350 km (0.109 R)
• M32: 35,268,745 km (0.089 R)
• M33: 40,753,302 km (0.082 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: 549 - 15,280 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit