🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.77 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924

Radius: 11.6

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 3.05 AU - 4.03 AU

Year: 3017 Days

Day: 13.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,171,339 km

• M1: 146,157 km (0.067 R)
• M2: 669,750 km (0.051 R)
• M3: 1,108,221 km (0.088 R)
• M4: 1,740,870 km (0.067 R)
• M5: 2,134,163 km (0.082 R)
• M6: 2,587,295 km (0.076 R)
• M7: 3,230,566 km (0.1 R)
• M8: 4,392,941 km (0.086 R)
• M9: 5,132,703 km (0.04 R)
• M10: 5,706,710 km (0.119 R)
• M11: 6,208,012 km (0.094 R)
• M12: 6,829,592 km (0.077 R)
• M13: 7,298,880 km (0.12 R)
• M14: 8,232,371 km (0.099 R)
• M15: 9,131,604 km (0.073 R)
• M16: 9,663,125 km (0.059 R)
• M17: 10,955,800 km (0.057 R)
• M18: 14,432,754 km (0.105 R)
• M19: 17,008,680 km (0.102 R)
• M20: 17,581,490 km (0.072 R)
• M21: 19,626,343 km (0.101 R)
• M22: 20,002,881 km (0.111 R)
• M23: 20,384,355 km (0.062 R)
• M24: 22,570,130 km (0.12 R)
• M25: 23,472,654 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.9

Radius: 12

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.47 AU - 4.03 AU

Year: 3290 Days

Day: 9.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,171,339 km

• M1: 155,881 km (0.094 R)
• M2: 821,143 km (0.044 R)
• M3: 2,547,801 km (0.094 R)
• M4: 3,080,519 km (0.049 R)
• M5: 3,516,597 km (0.087 R)
• M6: 4,318,442 km (0.051 R)
• M7: 4,791,321 km (0.055 R)
• M8: 8,340,231 km (0.12 R)
• M9: 9,223,158 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.8

Radius: 9.6

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 7.35 AU - 10.13 AU

Year: 11706 Days

Day: 11.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,171,339 km

• M1: 120,725 km (0.093 R)
• M2: 578,046 km (0.047 R)
• M3: 914,043 km (0.067 R)
• M4: 1,252,433 km (0.081 R)
• M5: 1,938,788 km (0.068 R)
• M6: 2,593,728 km (0.106 R)
• M7: 3,238,345 km (0.079 R)
• M8: 4,309,915 km (0.118 R)
• M9: 5,044,141 km (0.112 R)
• M10: 5,822,200 km (0.087 R)
• M11: 6,760,178 km (0.083 R)
• M12: 7,136,716 km (0.085 R)
• M13: 7,932,128 km (0.039 R)
• M14: 8,736,366 km (0.064 R)
• M15: 9,234,377 km (0.12 R)
• M16: 10,673,958 km (0.08 R)
• M17: 14,262,511 km (0.116 R)
• M18: 16,253,061 km (0.099 R)
• M19: 18,021,307 km (0.117 R)
• M20: 20,170,730 km (0.098 R)
• M21: 22,393,455 km (0.113 R)
• M22: 24,091,690 km (0.098 R)
• M23: 24,676,318 km (0.119 R)
• M24: 27,425,030 km (0.093 R)
• M25: 30,034,316 km (0.082 R)
• M26: 31,514,587 km (0.092 R)
• M27: 33,162,557 km (0.119 R)
• M28: 33,643,664 km (0.089 R)
• M29: 34,251,779 km (0.088 R)
• M30: 39,382,836 km (0.086 R)
• M31: 41,571,303 km (0.08 R)
• M32: 43,122,035 km (0.115 R)
• M33: 44,564,906 km (0.115 R)
• M34: 53,409,581 km (0.085 R)
• M35: 54,237,157 km (0.091 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144

Radius: 5.1

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 9.12 AU - 11.46 AU

Year: 14954 Days

Day: 22.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,171,339 km

• M1: 63,729 km (0.097 R)
• M2: 403,166 km (0.075 R)
• M3: 845,677 km (0.115 R)
• M4: 1,204,412 km (0.087 R)
• M5: 1,376,300 km (0.106 R)
• M6: 2,236,787 km (0.083 R)
• M7: 2,820,069 km (0.1 R)
• M8: 3,104,904 km (0.109 R)
• M9: 3,364,307 km (0.075 R)
• M10: 3,545,170 km (0.084 R)
• M11: 4,998,962 km (0.116 R)
• M12: 5,325,235 km (0.042 R)
• M13: 6,527,703 km (0.078 R)
• M14: 8,425,801 km (0.088 R)
• M15: 10,281,413 km (0.075 R)
• M16: 11,762,432 km (0.113 R)
• M17: 13,045,383 km (0.112 R)
• M18: 16,460,852 km (0.115 R)
• M19: 20,955,670 km (0.109 R)
• M20: 21,569,320 km (0.082 R)
• M21: 22,512,236 km (0.106 R)
• M22: 24,818,586 km (0.108 R)
• M23: 25,766,139 km (0.038 R)
• M24: 26,470,296 km (0.032 R)
• M25: 34,021,099 km (0.05 R)
• M26: 34,868,122 km (0.092 R)
• M27: 35,189,458 km (0.067 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 287.1

Radius: 4.1

Gravity: 17.08 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 12.6 AU - 13.36 AU

Year: 21186 Days

Day: 16 Hours

Environment

Temp: -217 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,171,339 km

• M1: 53,107 km (0.087 R)
• M2: 395,836 km (0.03 R)
• M3: 1,952,103 km (0.082 R)
• M4: 2,214,497 km (0.103 R)
• M5: 4,276,554 km (0.099 R)
• M6: 5,546,790 km (0.117 R)
• M7: 5,768,045 km (0.111 R)
• M8: 6,347,138 km (0.063 R)
• M9: 8,411,888 km (0.097 R)
• M10: 11,115,271 km (0.104 R)
• M11: 17,437,128 km (0.103 R)
• M12: 18,072,171 km (0.091 R)
• M13: 18,233,288 km (0.12 R)
• M14: 55,865,081 km (0.056 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 277 - 18,727 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit