🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.2

Radius: 10

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.71 AU - 0.81 AU

Year: 442 Days

Day: 13 Hours

Environment

Temp: -166 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,811,145 km

• M1: 124,615 km (0.102 R)
• M2: 453,730 km (0.081 R)
• M3: 884,871 km (0.106 R)
• M4: 1,224,010 km (0.052 R)
• M5: 1,579,604 km (0.062 R)
• M6: 2,141,942 km (0.11 R)
• M7: 2,456,098 km (0.097 R)
• M8: 2,811,842 km (0.044 R)
• M9: 3,178,805 km (0.097 R)
• M10: 3,552,800 km (0.093 R)
• M11: 3,915,575 km (0.06 R)
• M12: 4,331,906 km (0.103 R)
• M13: 5,123,727 km (0.119 R)
• M14: 5,901,935 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.1

Radius: 12

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.72 AU - 0.82 AU

Year: 451 Days

Day: 12.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 81,811,145 km

• M1: 149,299 km (0.025 R)
• M2: 531,970 km (0.056 R)
• M3: 985,700 km (0.078 R)
• M4: 1,560,156 km (0.107 R)
• M5: 2,170,067 km (0.116 R)
• M6: 2,581,162 km (0.046 R)
• M7: 2,959,495 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625

Radius: 11.8

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.58 AU - 2.02 AU

Year: 1610 Days

Day: 12 Hours

Environment

Temp: -194 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,811,145 km

• M1: 146,905 km (0.1 R)
• M2: 622,776 km (0.1 R)
• M3: 1,044,492 km (0.085 R)
• M4: 1,454,690 km (0.103 R)
• M5: 2,028,098 km (0.098 R)
• M6: 2,524,913 km (0.112 R)
• M7: 2,942,889 km (0.106 R)
• M8: 3,344,560 km (0.115 R)
• M9: 4,677,776 km (0.062 R)
• M10: 5,144,072 km (0.05 R)
• M11: 5,641,336 km (0.119 R)
• M12: 7,847,156 km (0.051 R)
• M13: 8,478,160 km (0.084 R)
• M14: 10,713,601 km (0.118 R)
• M15: 11,490,762 km (0.072 R)
• M16: 12,154,378 km (0.12 R)
• M17: 12,649,248 km (0.097 R)
• M18: 13,396,938 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.6

Radius: 11.7

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.66 AU - 2.84 AU

Year: 3041 Days

Day: 8.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,811,145 km

• M1: 145,559 km (0.08 R)
• M2: 794,813 km (0.117 R)
• M3: 1,200,673 km (0.103 R)
• M4: 1,805,497 km (0.118 R)
• M5: 2,429,021 km (0.055 R)
• M6: 4,233,919 km (0.116 R)
• M7: 4,904,117 km (0.098 R)
• M8: 5,314,614 km (0.095 R)
• M9: 5,906,573 km (0.113 R)
• M10: 6,456,644 km (0.098 R)
• M11: 6,980,685 km (0.077 R)
• M12: 7,438,904 km (0.069 R)
• M13: 7,819,929 km (0.069 R)
• M14: 12,784,484 km (0.097 R)
• M15: 13,194,083 km (0.092 R)
• M16: 14,921,191 km (0.036 R)
• M17: 15,324,507 km (0.046 R)
• M18: 18,355,808 km (0.092 R)
• M19: 21,065,026 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.7

Radius: 14.8

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.49 AU - 4.77 AU

Year: 5597 Days

Day: 7.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,811,145 km

• M1: 184,005 km (0.092 R)
• M2: 1,006,046 km (0.098 R)
• M3: 1,489,247 km (0.112 R)
• M4: 2,992,556 km (0.108 R)
• M5: 4,450,985 km (0.106 R)
• M6: 5,072,116 km (0.116 R)
• M7: 6,578,866 km (0.091 R)
• M8: 7,259,087 km (0.04 R)
• M9: 8,054,200 km (0.054 R)
• M10: 14,102,442 km (0.082 R)
• M11: 14,921,041 km (0.117 R)
• M12: 15,879,515 km (0.079 R)
• M13: 16,596,986 km (0.052 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 374.8

Radius: 3.9

Gravity: 24.64 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 6.79 AU - 7.65 AU

Year: 12937 Days

Day: 20.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 81,811,145 km

• M1: 48,619 km (0.066 R)
• M2: 338,091 km (0.117 R)
• M3: 517,160 km (0.08 R)
• M4: 715,676 km (0.08 R)
• M5: 1,501,813 km (0.106 R)
• M6: 1,659,489 km (0.085 R)
• M7: 1,908,570 km (0.096 R)
• M8: 2,146,430 km (0.111 R)
• M9: 2,764,569 km (0.112 R)
• M10: 3,206,630 km (0.114 R)
• M11: 3,420,256 km (0.043 R)
• M12: 4,036,450 km (0.064 R)
• M13: 4,201,456 km (0.083 R)
• M14: 4,633,794 km (0.044 R)
• M15: 4,845,325 km (0.06 R)
• M16: 5,095,004 km (0.109 R)
• M17: 5,552,624 km (0.079 R)
• M18: 5,722,418 km (0.113 R)
• M19: 6,037,022 km (0.103 R)
• M20: 6,662,341 km (0.087 R)
• M21: 7,617,224 km (0.118 R)
• M22: 7,826,961 km (0.034 R)
• M23: 8,346,364 km (0.096 R)
• M24: 9,262,502 km (0.086 R)
• M25: 10,092,172 km (0.025 R)
• M26: 11,455,307 km (0.056 R)
• M27: 12,759,352 km (0.076 R)
• M28: 13,355,948 km (0.076 R)
• M29: 16,690,934 km (0.049 R)
• M30: 17,915,243 km (0.042 R)
• M31: 18,738,480 km (0.039 R)
• M32: 19,586,700 km (0.078 R)
• M33: 20,219,499 km (0.07 R)
• M34: 26,925,223 km (0.119 R)
• M35: 33,946,001 km (0.065 R)
• M36: 34,743,208 km (0.12 R)
• M37: 38,792,972 km (0.09 R)
• M38: 41,445,192 km (0.045 R)
• M39: 42,749,686 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.6

Radius: 5

Gravity: 28.78 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 7.68 AU - 12.74 AU

Year: 21755 Days

Day: 23.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 81,811,145 km

• M1: 73,004 km (0.116 R)
• M2: 296,204 km (0.114 R)
• M3: 563,236 km (0.103 R)
• M4: 886,068 km (0.054 R)
• M5: 1,043,894 km (0.092 R)
• M6: 1,309,131 km (0.036 R)
• M7: 1,689,259 km (0.114 R)
• M8: 3,190,923 km (0.118 R)
• M9: 3,448,381 km (0.06 R)
• M10: 5,492,785 km (0.103 R)
• M11: 6,884,344 km (0.102 R)
• M12: 7,314,737 km (0.077 R)
• M13: 7,511,608 km (0.087 R)
• M14: 7,864,659 km (0.076 R)
• M15: 9,046,632 km (0.09 R)
• M16: 9,621,088 km (0.105 R)
• M17: 11,689,877 km (0.074 R)
• M18: 12,370,996 km (0.103 R)
• M19: 23,139,948 km (0.057 R)
• M20: 27,269,298 km (0.05 R)
• M21: 35,524,707 km (0.061 R)
• M22: 37,967,940 km (0.106 R)
• M23: 38,262,498 km (0.104 R)
• M24: 50,978,317 km (0.061 R)
• M25: 51,697,135 km (0.106 R)
• M26: 53,894,129 km (0.037 R)
• M27: 58,277,347 km (0.034 R)
• M28: 59,260,803 km (0.106 R)
• M29: 62,686,893 km (0.119 R)
• M30: 65,394,166 km (0.1 R)
• M31: 74,211,764 km (0.089 R)
• M32: 79,142,958 km (0.091 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 10,509 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit