🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.4

Radius: 11

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.46 AU - 0.64 AU

Year: 272 Days

Day: 7.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,433,298 km

• M1: 137,630 km (0.032 R)
• M2: 554,859 km (0.102 R)
• M3: 902,524 km (0.037 R)
• M4: 1,303,446 km (0.11 R)
• M5: 1,729,800 km (0.041 R)
• M6: 2,100,354 km (0.085 R)
• M7: 2,612,577 km (0.11 R)
• M8: 2,976,399 km (0.101 R)
• M9: 3,889,096 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.8

Radius: 12.3

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.92 AU - 1.1 AU

Year: 677 Days

Day: 10.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,433,298 km

• M1: 157,377 km (0.041 R)
• M2: 585,526 km (0.12 R)
• M3: 1,126,622 km (0.1 R)
• M4: 1,515,426 km (0.113 R)
• M5: 1,931,757 km (0.114 R)
• M6: 2,319,964 km (0.072 R)
• M7: 2,725,972 km (0.116 R)
• M8: 4,194,126 km (0.112 R)
• M9: 5,012,426 km (0.1 R)
• M10: 5,564,143 km (0.11 R)
• M11: 6,258,876 km (0.073 R)
• M12: 6,702,882 km (0.111 R)
• M13: 7,749,618 km (0.106 R)
• M14: 8,438,367 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.7

Radius: 14.6

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.14 AU - 1.54 AU

Year: 1034 Days

Day: 7.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,433,298 km

• M1: 181,761 km (0.101 R)
• M2: 1,508,844 km (0.112 R)
• M3: 2,346,891 km (0.07 R)
• M4: 3,622,213 km (0.069 R)
• M5: 4,104,517 km (0.07 R)
• M6: 5,493,982 km (0.071 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 87.4

Radius: 7.9

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.93 AU - 6.91 AU

Year: 10848 Days

Day: 21.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,433,298 km

• M1: 98,884 km (0.1 R)
• M2: 353,949 km (0.072 R)
• M3: 804,238 km (0.055 R)
• M4: 1,262,606 km (0.052 R)
• M5: 1,796,670 km (0.034 R)
• M6: 2,488,710 km (0.055 R)
• M7: 3,213,661 km (0.058 R)
• M8: 3,687,139 km (0.085 R)
• M9: 4,436,624 km (0.1 R)
• M10: 6,688,670 km (0.115 R)
• M11: 6,939,696 km (0.075 R)
• M12: 7,361,113 km (0.117 R)
• M13: 7,696,810 km (0.077 R)
• M14: 8,148,446 km (0.046 R)
• M15: 8,398,873 km (0.079 R)
• M16: 9,689,304 km (0.057 R)
• M17: 11,729,221 km (0.12 R)
• M18: 15,032,492 km (0.115 R)
• M19: 16,466,088 km (0.092 R)
• M20: 17,808,430 km (0.112 R)
• M21: 20,183,446 km (0.086 R)
• M22: 21,378,882 km (0.034 R)
• M23: 24,350,943 km (0.047 R)
• M24: 25,021,740 km (0.116 R)
• M25: 25,399,774 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 691.5

Radius: 3.9

Gravity: 45.46 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 6.04 AU - 7.76 AU

Year: 12087 Days

Day: 17.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 42,433,298 km

• M1: 48,470 km (0.076 R)
• M2: 185,651 km (0.09 R)
• M3: 350,807 km (0.104 R)
• M4: 560,543 km (0.083 R)
• M5: 820,993 km (0.118 R)
• M6: 1,028,934 km (0.047 R)
• M7: 1,885,382 km (0.114 R)
• M8: 2,097,811 km (0.098 R)
• M9: 3,282,028 km (0.096 R)
• M10: 3,511,062 km (0.091 R)
• M11: 3,696,563 km (0.063 R)
• M12: 4,566,475 km (0.111 R)
• M13: 5,183,267 km (0.083 R)
• M14: 5,389,114 km (0.107 R)
• M15: 6,152,661 km (0.056 R)
• M16: 10,465,717 km (0.106 R)
• M17: 12,059,982 km (0.116 R)
• M18: 12,604,817 km (0.076 R)
• M19: 13,166,109 km (0.095 R)
• M20: 14,675,701 km (0.099 R)
• M21: 15,648,984 km (0.094 R)
• M22: 15,863,059 km (0.065 R)
• M23: 17,264,193 km (0.094 R)
• M24: 18,347,880 km (0.115 R)
• M25: 22,953,400 km (0.07 R)
• M26: 23,415,208 km (0.034 R)
• M27: 25,226,539 km (0.076 R)
• M28: 25,916,784 km (0.1 R)
• M29: 28,062,915 km (0.04 R)
• M30: 29,125,209 km (0.072 R)
• M31: 29,994,223 km (0.038 R)
• M32: 36,817,532 km (0.081 R)
• M33: 39,128,370 km (0.067 R)
• M34: 46,196,870 km (0.083 R)
• M35: 49,033,694 km (0.1 R)
• M36: 51,826,387 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 367.3

Radius: 3.8

Gravity: 25.44 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.7 AU - 8.66 AU

Year: 12830 Days

Day: 24.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,433,298 km

• M1: 52,958 km (0.094 R)
• M2: 261,198 km (0.077 R)
• M3: 387,758 km (0.108 R)
• M4: 931,396 km (0.1 R)
• M5: 1,774,081 km (0.097 R)
• M6: 1,916,947 km (0.109 R)
• M7: 3,673,675 km (0.034 R)
• M8: 4,232,722 km (0.074 R)
• M9: 4,402,366 km (0.113 R)
• M10: 5,788,690 km (0.057 R)
• M11: 8,598,287 km (0.098 R)
• M12: 8,870,705 km (0.095 R)
• M13: 10,268,996 km (0.068 R)
• M14: 10,835,823 km (0.105 R)
• M15: 11,153,568 km (0.091 R)
• M16: 11,423,144 km (0.065 R)
• M17: 20,051,201 km (0.041 R)
• M18: 22,779,268 km (0.085 R)
• M19: 25,372,248 km (0.03 R)
• M20: 25,558,048 km (0.037 R)
• M21: 28,856,382 km (0.117 R)
• M22: 30,085,029 km (0.101 R)
• M23: 30,607,126 km (0.036 R)
• M24: 32,101,010 km (0.117 R)
• M25: 32,318,376 km (0.113 R)
• M26: 42,357,590 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 228.7

Radius: 5

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 7.01 AU - 8.51 AU

Year: 14415 Days

Day: 24.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,433,298 km

• M1: 62,233 km (0.063 R)
• M2: 538,403 km (0.086 R)
• M3: 933,790 km (0.064 R)
• M4: 1,424,770 km (0.106 R)
• M5: 3,525,872 km (0.083 R)
• M6: 4,631,849 km (0.103 R)
• M7: 5,715,835 km (0.086 R)
• M8: 6,845,898 km (0.102 R)
• M9: 7,344,956 km (0.037 R)
• M10: 7,867,801 km (0.074 R)
• M11: 8,632,246 km (0.076 R)
• M12: 9,491,686 km (0.092 R)
• M13: 9,870,019 km (0.113 R)
• M14: 16,545,225 km (0.076 R)
• M15: 16,954,974 km (0.076 R)
• M16: 24,114,728 km (0.034 R)
• M17: 25,086,067 km (0.029 R)
• M18: 25,626,863 km (0.068 R)
• M19: 38,138,182 km (0.063 R)
• M20: 38,852,811 km (0.079 R)
• M21: 40,063,806 km (0.066 R)
• M22: 42,306,278 km (0.072 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 369 - 18,429 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit