🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.8

Radius: 14.4

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.36 AU - 1.52 AU

Year: 1215 Days

Day: 11.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,409,037 km

• M1: 179,069 km (0.088 R)
• M2: 808,128 km (0.035 R)
• M3: 1,267,543 km (0.104 R)
• M4: 1,909,018 km (0.066 R)
• M5: 2,452,956 km (0.103 R)
• M6: 3,168,333 km (0.09 R)
• M7: 4,019,994 km (0.04 R)
• M8: 4,544,634 km (0.098 R)
• M9: 5,795,422 km (0.082 R)
• M10: 7,023,770 km (0.095 R)
• M11: 7,995,557 km (0.115 R)
• M12: 8,609,507 km (0.099 R)
• M13: 9,752,435 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.8

Radius: 13.3

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.11 AU - 1.81 AU

Year: 1240 Days

Day: 5.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,409,037 km

• M1: 166,802 km (0.1 R)
• M2: 597,494 km (0.105 R)
• M3: 1,062,444 km (0.094 R)
• M4: 1,487,302 km (0.108 R)
• M5: 1,939,387 km (0.096 R)
• M6: 2,449,516 km (0.057 R)
• M7: 2,890,530 km (0.113 R)
• M8: 4,049,614 km (0.116 R)
• M9: 4,653,691 km (0.106 R)
• M10: 5,179,677 km (0.037 R)
• M11: 6,329,636 km (0.083 R)
• M12: 6,811,191 km (0.078 R)
• M13: 7,366,798 km (0.114 R)
• M14: 7,796,742 km (0.104 R)
• M15: 8,351,002 km (0.103 R)
• M16: 9,102,282 km (0.066 R)
• M17: 10,422,783 km (0.06 R)
• M18: 10,933,510 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.8

Radius: 13.2

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.58 AU - 1.68 AU

Year: 1463 Days

Day: 9.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,409,037 km

• M1: 164,258 km (0.118 R)
• M2: 643,720 km (0.119 R)
• M3: 1,164,919 km (0.051 R)
• M4: 1,803,702 km (0.056 R)
• M5: 2,624,246 km (0.099 R)
• M6: 3,083,661 km (0.103 R)
• M7: 3,695,217 km (0.099 R)
• M8: 4,323,079 km (0.081 R)
• M9: 5,216,328 km (0.104 R)
• M10: 7,278,385 km (0.052 R)
• M11: 7,692,173 km (0.026 R)
• M12: 8,146,202 km (0.09 R)
• M13: 8,567,470 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.6

Radius: 10.9

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.17 AU - 2.97 AU

Year: 2896 Days

Day: 7.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,409,037 km

• M1: 135,536 km (0.066 R)
• M2: 477,367 km (0.116 R)
• M3: 943,215 km (0.111 R)
• M4: 1,349,373 km (0.102 R)
• M5: 1,790,238 km (0.055 R)
• M6: 2,243,818 km (0.065 R)
• M7: 3,224,433 km (0.07 R)
• M8: 3,665,896 km (0.074 R)
• M9: 4,064,574 km (0.118 R)
• M10: 4,694,082 km (0.11 R)
• M11: 5,116,696 km (0.078 R)
• M12: 6,539,970 km (0.118 R)
• M13: 9,363,331 km (0.11 R)
• M14: 10,073,771 km (0.094 R)
• M15: 12,334,045 km (0.108 R)
• M16: 13,652,900 km (0.109 R)
• M17: 14,566,644 km (0.117 R)
• M18: 15,063,608 km (0.077 R)
• M19: 15,778,387 km (0.101 R)
• M20: 17,220,660 km (0.084 R)
• M21: 19,159,598 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514

Radius: 13.9

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.62 AU - 3.08 AU

Year: 3382 Days

Day: 10.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,409,037 km

• M1: 173,384 km (0.109 R)
• M2: 618,587 km (0.094 R)
• M3: 1,095,356 km (0.118 R)
• M4: 1,715,439 km (0.086 R)
• M5: 2,624,994 km (0.113 R)
• M6: 4,862,828 km (0.08 R)
• M7: 6,147,126 km (0.101 R)
• M8: 7,182,343 km (0.105 R)
• M9: 8,364,316 km (0.102 R)
• M10: 9,598,199 km (0.055 R)
• M11: 10,990,507 km (0.117 R)
• M12: 12,735,865 km (0.08 R)
• M13: 14,077,459 km (0.056 R)
• M14: 16,449,183 km (0.067 R)
• M15: 17,149,750 km (0.116 R)
• M16: 18,437,788 km (0.06 R)
• M17: 19,430,669 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.9

Radius: 14.3

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 5.02 AU - 5.68 AU

Year: 8698 Days

Day: 11.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,409,037 km

• M1: 177,872 km (0.074 R)
• M2: 623,674 km (0.109 R)
• M3: 1,084,585 km (0.093 R)
• M4: 1,786,947 km (0.101 R)
• M5: 2,236,787 km (0.105 R)
• M6: 3,813,100 km (0.034 R)
• M7: 4,417,775 km (0.078 R)
• M8: 5,699,080 km (0.108 R)
• M9: 7,215,404 km (0.1 R)
• M10: 7,914,924 km (0.104 R)
• M11: 9,028,082 km (0.054 R)
• M12: 11,515,745 km (0.11 R)
• M13: 12,944,105 km (0.085 R)
• M14: 15,542,920 km (0.117 R)
• M15: 16,711,877 km (0.096 R)
• M16: 21,752,727 km (0.077 R)
• M17: 25,236,562 km (0.07 R)
• M18: 26,162,424 km (0.071 R)
• M19: 27,549,495 km (0.093 R)
• M20: 28,985,186 km (0.099 R)
• M21: 34,097,693 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 480

Radius: 5.3

Gravity: 17.09 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.83 AU - 7.97 AU

Year: 11381 Days

Day: 15.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,409,037 km

• M1: 66,122 km (0.063 R)
• M2: 559,346 km (0.052 R)
• M3: 755,768 km (0.074 R)
• M4: 1,556,117 km (0.098 R)
• M5: 1,871,320 km (0.103 R)
• M6: 5,001,356 km (0.118 R)
• M7: 5,484,856 km (0.083 R)
• M8: 5,686,813 km (0.115 R)
• M9: 6,582,157 km (0.09 R)
• M10: 8,968,392 km (0.039 R)
• M11: 18,921,438 km (0.048 R)
• M12: 21,305,579 km (0.106 R)
• M13: 22,058,206 km (0.049 R)
• M14: 23,351,480 km (0.112 R)
• M15: 37,342,321 km (0.055 R)
• M16: 39,799,317 km (0.067 R)
• M17: 40,430,021 km (0.087 R)
• M18: 41,582,075 km (0.082 R)
• M19: 44,489,808 km (0.107 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 20,199 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit