🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.6

Radius: 8.5

Gravity: 11.32 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.89 AU - 0.97 AU

Year: 588 Days

Day: 13.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,062,824 km

• M1: 105,766 km (0.111 R)
• M2: 375,790 km (0.107 R)
• M3: 675,734 km (0.064 R)
• M4: 1,452,147 km (0.074 R)
• M5: 1,819,110 km (0.063 R)
• M6: 2,276,730 km (0.102 R)
• M7: 2,763,821 km (0.099 R)
• M8: 3,609,497 km (0.092 R)
• M9: 4,077,589 km (0.106 R)
• M10: 5,118,192 km (0.034 R)
• M11: 6,754,344 km (0.083 R)
• M12: 7,245,324 km (0.106 R)
• M13: 7,510,860 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.3

Radius: 9.8

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.45 AU - 1.71 AU

Year: 1303 Days

Day: 13.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,062,824 km

• M1: 121,922 km (0.12 R)
• M2: 613,800 km (0.118 R)
• M3: 1,281,306 km (0.079 R)
• M4: 1,632,711 km (0.102 R)
• M5: 1,976,337 km (0.116 R)
• M6: 2,378,606 km (0.114 R)
• M7: 2,952,314 km (0.119 R)
• M8: 4,501,699 km (0.077 R)
• M9: 6,073,374 km (0.113 R)
• M10: 6,656,656 km (0.099 R)
• M11: 7,189,075 km (0.087 R)
• M12: 7,772,806 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.4

Radius: 14.1

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.73 AU - 2.79 AU

Year: 2229 Days

Day: 7.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,062,824 km

• M1: 177,423 km (0.044 R)
• M2: 763,996 km (0.091 R)
• M3: 2,196,695 km (0.104 R)
• M4: 5,220,218 km (0.078 R)
• M5: 6,177,943 km (0.079 R)
• M6: 6,724,873 km (0.11 R)
• M7: 8,002,439 km (0.114 R)
• M8: 10,750,851 km (0.116 R)
• M9: 11,434,064 km (0.118 R)
• M10: 13,742,060 km (0.083 R)
• M11: 14,204,467 km (0.085 R)

Asteroid Belt

Center: 3.38 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.4

Radius: 9

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.42 AU - 4.58 AU

Year: 6262 Days

Day: 7.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,062,824 km

• M1: 112,049 km (0.088 R)
• M2: 2,404,038 km (0.077 R)
• M3: 2,745,719 km (0.105 R)
• M4: 3,605,757 km (0.057 R)
• M5: 4,055,598 km (0.11 R)
• M6: 4,752,724 km (0.114 R)
• M7: 5,959,082 km (0.051 R)
• M8: 6,383,940 km (0.096 R)
• M9: 7,422,298 km (0.11 R)
• M10: 7,847,605 km (0.097 R)
• M11: 8,819,393 km (0.069 R)
• M12: 9,599,247 km (0.053 R)
• M13: 10,065,094 km (0.118 R)
• M14: 11,000,231 km (0.103 R)
• M15: 11,771,557 km (0.075 R)
• M16: 12,902,068 km (0.109 R)
• M17: 13,231,184 km (0.119 R)
• M18: 14,858,958 km (0.105 R)
• M19: 17,062,236 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305

Radius: 13.1

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.18 AU - 6.88 AU

Year: 8531 Days

Day: 13.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,062,824 km

• M1: 163,510 km (0.062 R)
• M2: 621,430 km (0.113 R)
• M3: 1,496,577 km (0.073 R)
• M4: 2,355,269 km (0.107 R)
• M5: 3,808,612 km (0.113 R)
• M6: 5,067,777 km (0.077 R)
• M7: 6,721,582 km (0.079 R)
• M8: 7,239,191 km (0.095 R)
• M9: 8,315,547 km (0.057 R)
• M10: 9,581,295 km (0.094 R)
• M11: 10,418,445 km (0.034 R)
• M12: 10,971,807 km (0.087 R)
• M13: 12,087,508 km (0.112 R)
• M14: 13,384,372 km (0.095 R)
• M15: 14,205,963 km (0.094 R)
• M16: 14,714,895 km (0.109 R)
• M17: 15,829,250 km (0.115 R)
• M18: 16,437,964 km (0.117 R)
• M19: 18,028,339 km (0.079 R)
• M20: 19,928,830 km (0.102 R)
• M21: 20,495,507 km (0.084 R)
• M22: 20,927,695 km (0.084 R)
• M23: 28,162,098 km (0.062 R)
• M24: 29,328,663 km (0.11 R)
• M25: 30,247,642 km (0.075 R)
• M26: 31,185,771 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187.8

Radius: 3.7

Gravity: 13.72 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.92 AU - 7.1 AU

Year: 9665 Days

Day: 23.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 51,062,824 km

• M1: 46,076 km (0.09 R)
• M2: 197,918 km (0.09 R)
• M3: 348,114 km (0.078 R)
• M4: 592,707 km (0.089 R)
• M5: 1,099,096 km (0.058 R)
• M6: 1,726,958 km (0.118 R)
• M7: 2,080,158 km (0.116 R)
• M8: 2,379,205 km (0.1 R)
• M9: 2,652,819 km (0.118 R)
• M10: 2,834,132 km (0.054 R)
• M11: 3,201,694 km (0.047 R)
• M12: 3,492,063 km (0.102 R)
• M13: 3,822,525 km (0.073 R)
• M14: 4,993,278 km (0.037 R)
• M15: 5,615,754 km (0.114 R)
• M16: 7,502,184 km (0.106 R)
• M17: 7,645,947 km (0.115 R)
• M18: 8,051,058 km (0.107 R)
• M19: 8,984,399 km (0.066 R)
• M20: 9,228,543 km (0.097 R)
• M21: 10,832,831 km (0.071 R)
• M22: 13,653,498 km (0.081 R)
• M23: 13,814,167 km (0.096 R)
• M24: 14,303,950 km (0.092 R)
• M25: 15,317,924 km (0.053 R)
• M26: 15,960,746 km (0.101 R)
• M27: 16,499,748 km (0.077 R)
• M28: 18,646,178 km (0.069 R)
• M29: 18,843,946 km (0.102 R)
• M30: 20,971,378 km (0.103 R)
• M31: 24,258,043 km (0.071 R)
• M32: 25,695,977 km (0.052 R)
• M33: 26,105,277 km (0.05 R)
• M34: 26,353,011 km (0.082 R)
• M35: 26,769,193 km (0.118 R)
• M36: 27,786,009 km (0.101 R)
• M37: 29,181,608 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 869

Radius: 5.7

Gravity: 26.75 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 5.56 AU - 6.54 AU

Year: 9762 Days

Day: 18.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,062,824 km

• M1: 77,641 km (0.098 R)
• M2: 707,598 km (0.103 R)
• M3: 998,566 km (0.118 R)
• M4: 1,327,382 km (0.116 R)
• M5: 1,531,882 km (0.093 R)
• M6: 2,591,484 km (0.085 R)
• M7: 2,868,988 km (0.093 R)
• M8: 3,663,053 km (0.11 R)
• M9: 3,957,761 km (0.108 R)
• M10: 4,686,602 km (0.092 R)
• M11: 6,795,334 km (0.084 R)
• M12: 9,714,437 km (0.06 R)
• M13: 10,650,471 km (0.071 R)
• M14: 11,306,906 km (0.093 R)
• M15: 12,341,675 km (0.079 R)
• M16: 15,476,199 km (0.086 R)
• M17: 22,543,651 km (0.1 R)
• M18: 31,055,920 km (0.082 R)
• M19: 34,348,718 km (0.099 R)
• M20: 35,416,099 km (0.113 R)
• M21: 45,185,289 km (0.045 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: 328 - 10,471 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit