🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.6

Radius: 10.4

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.77 AU - 0.93 AU

Year: 514 Days

Day: 14.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,484,635 km

• M1: 129,402 km (0.057 R)
• M2: 467,344 km (0.053 R)
• M3: 1,000,810 km (0.072 R)
• M4: 1,423,723 km (0.079 R)
• M5: 1,823,748 km (0.082 R)
• M6: 2,371,725 km (0.091 R)
• M7: 3,216,653 km (0.058 R)
• M8: 3,823,572 km (0.092 R)
• M9: 5,626,974 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.6

Radius: 11.8

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.04 AU - 1.32 AU

Year: 841 Days

Day: 13.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,484,635 km

• M1: 146,905 km (0.085 R)
• M2: 541,694 km (0.043 R)
• M3: 1,063,790 km (0.084 R)
• M4: 1,679,386 km (0.064 R)
• M5: 2,406,132 km (0.097 R)
• M6: 2,837,124 km (0.117 R)
• M7: 3,267,517 km (0.11 R)
• M8: 3,741,742 km (0.093 R)
• M9: 5,229,493 km (0.096 R)
• M10: 5,765,801 km (0.077 R)
• M11: 6,503,019 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.9

Radius: 13

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.92 AU - 2.46 AU

Year: 2126 Days

Day: 10.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,484,635 km

• M1: 162,314 km (0.101 R)
• M2: 590,612 km (0.05 R)
• M3: 1,030,430 km (0.109 R)
• M4: 1,807,441 km (0.059 R)
• M5: 2,438,595 km (0.089 R)
• M6: 2,991,060 km (0.099 R)
• M7: 4,406,704 km (0.049 R)
• M8: 6,877,014 km (0.099 R)
• M9: 7,706,534 km (0.087 R)
• M10: 8,305,674 km (0.07 R)
• M11: 8,874,445 km (0.098 R)
• M12: 9,957,085 km (0.042 R)
• M13: 10,772,842 km (0.106 R)
• M14: 11,377,367 km (0.059 R)
• M15: 13,368,215 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.4

Radius: 12.6

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.61 AU - 3.25 AU

Year: 3290 Days

Day: 6.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,484,635 km

• M1: 156,779 km (0.11 R)
• M2: 1,074,711 km (0.025 R)
• M3: 1,749,397 km (0.081 R)
• M4: 2,422,738 km (0.098 R)
• M5: 3,470,671 km (0.079 R)
• M6: 3,990,224 km (0.081 R)
• M7: 5,520,012 km (0.088 R)
• M8: 6,073,524 km (0.074 R)
• M9: 6,719,488 km (0.119 R)
• M10: 8,022,635 km (0.104 R)
• M11: 8,868,162 km (0.076 R)
• M12: 10,062,551 km (0.073 R)
• M13: 13,559,850 km (0.113 R)
• M14: 15,978,399 km (0.092 R)
• M15: 18,285,198 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.1

Radius: 11.3

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.98 AU - 5.8 AU

Year: 8209 Days

Day: 13.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,484,635 km

• M1: 140,622 km (0.092 R)
• M2: 678,426 km (0.099 R)
• M3: 1,060,649 km (0.076 R)
• M4: 1,719,927 km (0.12 R)
• M5: 2,214,048 km (0.112 R)
• M6: 2,654,614 km (0.117 R)
• M7: 4,067,566 km (0.115 R)
• M8: 4,842,333 km (0.084 R)
• M9: 9,593,861 km (0.11 R)
• M10: 10,633,267 km (0.114 R)
• M11: 12,565,174 km (0.106 R)
• M12: 14,145,975 km (0.076 R)
• M13: 14,546,598 km (0.062 R)
• M14: 17,698,774 km (0.06 R)
• M15: 18,774,832 km (0.073 R)
• M16: 19,259,230 km (0.094 R)
• M17: 20,542,929 km (0.097 R)
• M18: 21,280,148 km (0.106 R)
• M19: 25,402,167 km (0.036 R)
• M20: 27,207,963 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 866.8

Radius: 7.5

Gravity: 15.41 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 7.42 AU - 9.64 AU

Year: 16343 Days

Day: 21 Hours

Environment

Temp: -230 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 52,484,635 km

• M1: 94,247 km (0.103 R)
• M2: 360,830 km (0.031 R)
• M3: 787,483 km (0.106 R)
• M4: 2,091,677 km (0.07 R)
• M5: 5,008,387 km (0.072 R)
• M6: 5,340,046 km (0.111 R)
• M7: 6,860,409 km (0.078 R)
• M8: 7,695,614 km (0.094 R)
• M9: 8,442,107 km (0.082 R)
• M10: 10,311,632 km (0.065 R)
• M11: 12,110,995 km (0.051 R)
• M12: 20,373,884 km (0.068 R)
• M13: 21,220,009 km (0.088 R)
• M14: 21,507,237 km (0.049 R)
• M15: 22,483,363 km (0.094 R)
• M16: 23,285,357 km (0.055 R)
• M17: 24,210,171 km (0.105 R)
• M18: 27,356,963 km (0.082 R)
• M19: 29,918,527 km (0.105 R)
• M20: 33,404,457 km (0.071 R)
• M21: 43,131,160 km (0.088 R)
• M22: 47,400,385 km (0.099 R)
• M23: 60,912,513 km (0.049 R)
• M24: 62,077,132 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 287.6

Radius: 4.7

Gravity: 13.02 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 8.41 AU - 9.57 AU

Year: 17683 Days

Day: 19.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 52,484,635 km

• M1: 59,540 km (0.082 R)
• M2: 261,347 km (0.114 R)
• M3: 447,148 km (0.104 R)
• M4: 792,270 km (0.088 R)
• M5: 1,418,038 km (0.095 R)
• M6: 3,144,398 km (0.1 R)
• M7: 3,388,691 km (0.081 R)
• M8: 3,567,012 km (0.111 R)
• M9: 4,111,398 km (0.037 R)
• M10: 4,647,258 km (0.078 R)
• M11: 6,651,121 km (0.105 R)
• M12: 7,261,181 km (0.047 R)
• M13: 11,269,656 km (0.119 R)
• M14: 11,610,440 km (0.079 R)
• M15: 14,455,941 km (0.113 R)
• M16: 15,337,222 km (0.072 R)
• M17: 18,822,404 km (0.061 R)
• M18: 20,875,036 km (0.095 R)
• M19: 21,911,451 km (0.098 R)
• M20: 25,613,250 km (0.049 R)
• M21: 26,500,066 km (0.092 R)
• M22: 27,919,899 km (0.107 R)
• M23: 28,439,004 km (0.054 R)
• M24: 29,176,522 km (0.105 R)
• M25: 32,141,252 km (0.072 R)
• M26: 34,819,952 km (0.083 R)
• M27: 35,785,456 km (0.092 R)
• M28: 36,397,910 km (0.077 R)
• M29: 39,046,690 km (0.074 R)
• M30: 46,296,951 km (0.108 R)
• M31: 50,773,517 km (0.068 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: 205 - 17,853 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit