🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.2

Radius: 13.9

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.42 AU - 0.6 AU

Year: 256 Days

Day: 11.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 72,548,259 km

• M1: 173,384 km (0.091 R)
• M2: 715,826 km (0.064 R)
• M3: 1,194,539 km (0.067 R)
• M4: 1,901,688 km (0.03 R)
• M5: 2,895,916 km (0.11 R)
• M6: 3,853,940 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.6

Radius: 10.5

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.46 AU - 0.64 AU

Year: 287 Days

Day: 13.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 91.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,548,259 km

• M1: 130,898 km (0.05 R)
• M2: 468,391 km (0.049 R)
• M3: 1,018,612 km (0.11 R)
• M4: 1,438,533 km (0.083 R)
• M5: 1,779,317 km (0.096 R)
• M6: 2,119,802 km (0.102 R)
• M7: 2,488,710 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.1

Radius: 9.1

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.59 AU - 0.59 AU

Year: 319 Days

Day: 10.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 155.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 72,548,259 km

• M1: 114,143 km (0.119 R)
• M2: 425,008 km (0.088 R)
• M3: 811,568 km (0.111 R)
• M4: 1,157,439 km (0.056 R)
• M5: 1,469,051 km (0.055 R)
• M6: 2,126,384 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.9

Radius: 10.7

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.76 AU - 1.9 AU

Year: 1740 Days

Day: 7 Hours

Environment

Temp: -189 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,548,259 km

• M1: 133,142 km (0.044 R)
• M2: 537,804 km (0.112 R)
• M3: 936,333 km (0.081 R)
• M4: 1,368,821 km (0.114 R)
• M5: 1,818,811 km (0.101 R)
• M6: 2,528,802 km (0.115 R)
• M7: 2,889,483 km (0.089 R)
• M8: 3,356,378 km (0.115 R)
• M9: 4,252,469 km (0.035 R)
• M10: 4,602,378 km (0.06 R)
• M11: 6,582,456 km (0.039 R)
• M12: 6,956,600 km (0.104 R)
• M13: 8,165,650 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.4

Radius: 12.9

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.4 AU - 2.28 AU

Year: 1754 Days

Day: 14.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,548,259 km

• M1: 163,810 km (0.086 R)
• M2: 628,012 km (0.109 R)
• M3: 1,916,648 km (0.094 R)
• M4: 2,413,462 km (0.1 R)
• M5: 3,258,092 km (0.089 R)
• M6: 3,900,615 km (0.089 R)
• M7: 4,586,072 km (0.025 R)
• M8: 5,151,702 km (0.12 R)
• M9: 5,834,467 km (0.078 R)
• M10: 6,944,483 km (0.119 R)
• M11: 7,353,633 km (0.119 R)
• M12: 8,071,553 km (0.08 R)
• M13: 8,930,394 km (0.101 R)
• M14: 9,547,336 km (0.098 R)
• M15: 10,088,880 km (0.095 R)
• M16: 10,939,344 km (0.078 R)
• M17: 11,646,194 km (0.065 R)
• M18: 13,822,245 km (0.097 R)
• M19: 15,232,953 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.4

Radius: 10.2

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.69 AU - 2.41 AU

Year: 2063 Days

Day: 6.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,548,259 km

• M1: 126,859 km (0.056 R)
• M2: 468,391 km (0.03 R)
• M3: 818,300 km (0.1 R)
• M4: 1,254,229 km (0.12 R)
• M5: 1,733,241 km (0.068 R)
• M6: 2,481,081 km (0.114 R)
• M7: 2,875,121 km (0.091 R)
• M8: 3,979,453 km (0.104 R)
• M9: 4,438,868 km (0.118 R)
• M10: 5,931,556 km (0.105 R)
• M11: 6,641,098 km (0.057 R)
• M12: 7,173,667 km (0.12 R)
• M13: 8,324,074 km (0.114 R)
• M14: 8,910,199 km (0.039 R)
• M15: 10,608,135 km (0.091 R)
• M16: 11,692,869 km (0.077 R)
• M17: 13,544,741 km (0.105 R)
• M18: 14,961,582 km (0.105 R)
• M19: 15,535,739 km (0.058 R)
• M20: 16,830,359 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.8

Radius: 14.9

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 4.37 AU - 5.77 AU

Year: 8025 Days

Day: 6.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,548,259 km

• M1: 185,352 km (0.094 R)
• M2: 787,034 km (0.066 R)
• M3: 1,923,978 km (0.114 R)
• M4: 2,656,559 km (0.095 R)
• M5: 5,214,982 km (0.087 R)
• M6: 6,053,179 km (0.069 R)
• M7: 7,852,841 km (0.102 R)
• M8: 8,719,461 km (0.056 R)
• M9: 10,202,874 km (0.091 R)
• M10: 11,374,973 km (0.048 R)
• M11: 12,786,429 km (0.043 R)
• M12: 13,508,239 km (0.039 R)
• M13: 18,360,296 km (0.108 R)
• M14: 19,279,725 km (0.065 R)
• M15: 20,856,935 km (0.109 R)
• M16: 23,116,761 km (0.055 R)
• M17: 28,464,136 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 255.3

Radius: 3.1

Gravity: 26.57 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 8.91 AU - 9.35 AU

Year: 19392 Days

Day: 15.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,548,259 km

• M1: 52,658 km (0.068 R)
• M2: 176,376 km (0.112 R)
• M3: 486,941 km (0.099 R)
• M4: 916,885 km (0.092 R)
• M5: 1,070,373 km (0.086 R)
• M6: 4,761,999 km (0.045 R)
• M7: 7,107,245 km (0.081 R)
• M8: 7,928,687 km (0.088 R)
• M9: 9,913,252 km (0.102 R)
• M10: 10,228,904 km (0.119 R)
• M11: 17,042,040 km (0.035 R)
• M12: 17,800,950 km (0.106 R)
• M13: 18,110,767 km (0.063 R)
• M14: 18,424,175 km (0.108 R)
• M15: 19,796,436 km (0.06 R)
• M16: 19,962,340 km (0.064 R)
• M17: 21,583,831 km (0.063 R)
• M18: 21,936,134 km (0.043 R)
• M19: 22,742,616 km (0.049 R)
• M20: 26,971,598 km (0.106 R)
• M21: 28,209,670 km (0.075 R)
• M22: 30,577,057 km (0.051 R)
• M23: 34,371,158 km (0.084 R)
• M24: 37,445,693 km (0.08 R)
• M25: 49,415,318 km (0.108 R)
• M26: 51,420,977 km (0.034 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 631.6

Radius: 5.7

Gravity: 19.44 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 7.08 AU - 11.18 AU

Year: 19392 Days

Day: 20.2 Hours

Environment

Temp: -244 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,548,259 km

• M1: 71,358 km (0.091 R)
• M2: 287,228 km (0.034 R)
• M3: 583,880 km (0.08 R)
• M4: 999,463 km (0.057 R)
• M5: 1,189,752 km (0.118 R)
• M6: 1,434,943 km (0.111 R)
• M7: 2,490,655 km (0.096 R)
• M8: 3,368,495 km (0.072 R)
• M9: 4,503,793 km (0.095 R)
• M10: 4,849,963 km (0.079 R)
• M11: 5,995,583 km (0.076 R)
• M12: 6,414,757 km (0.1 R)
• M13: 8,390,645 km (0.098 R)
• M14: 8,808,323 km (0.11 R)
• M15: 9,516,369 km (0.119 R)
• M16: 11,045,409 km (0.1 R)
• M17: 11,483,432 km (0.051 R)
• M18: 11,868,197 km (0.086 R)
• M19: 12,394,333 km (0.11 R)
• M20: 13,004,692 km (0.12 R)
• M21: 15,337,821 km (0.06 R)
• M22: 17,850,616 km (0.087 R)
• M23: 19,609,738 km (0.107 R)
• M24: 22,559,808 km (0.114 R)
• M25: 23,162,986 km (0.114 R)
• M26: 23,880,308 km (0.093 R)
• M27: 27,576,273 km (0.071 R)
• M28: 39,450,604 km (0.097 R)
• M29: 39,886,532 km (0.027 R)
• M30: 46,979,267 km (0.082 R)
• M31: 47,797,417 km (0.112 R)
• M32: 49,630,739 km (0.092 R)
• M33: 51,683,671 km (0.045 R)
• M34: 52,031,187 km (0.05 R)
• M35: 60,077,458 km (0.112 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 298 - 18,414 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit