🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.9

Radius: 9

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.58 AU - 0.88 AU

Year: 423 Days

Day: 12.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 17,808,584 km

• M1: 111,899 km (0.095 R)
• M2: 398,978 km (0.101 R)
• M3: 698,472 km (0.031 R)
• M4: 1,073,814 km (0.05 R)
• M5: 1,626,428 km (0.084 R)
• M6: 1,953,898 km (0.088 R)
• M7: 2,268,353 km (0.079 R)
• M8: 2,634,718 km (0.109 R)
• M9: 3,812,801 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.6

Radius: 11.5

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.86 AU - 1.28 AU

Year: 751 Days

Day: 15 Hours

Environment

Temp: -173 °C

Axial Tilt: 57.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 17,808,584 km

• M1: 143,016 km (0.094 R)
• M2: 526,285 km (0.071 R)
• M3: 938,278 km (0.109 R)
• M4: 1,786,797 km (0.049 R)
• M5: 3,033,097 km (0.086 R)
• M6: 3,497,149 km (0.106 R)
• M7: 3,881,766 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804

Radius: 11.9

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.18 AU - 1.22 AU

Year: 892 Days

Day: 13.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 17,808,584 km

• M1: 148,102 km (0.077 R)
• M2: 676,482 km (0.073 R)
• M3: 1,167,163 km (0.092 R)
• M4: 1,578,557 km (0.082 R)
• M5: 2,669,873 km (0.109 R)
• M6: 3,111,785 km (0.1 R)
• M7: 3,661,707 km (0.054 R)
• M8: 4,128,303 km (0.101 R)
• M9: 4,669,548 km (0.114 R)
• M10: 6,062,304 km (0.097 R)
• M11: 6,450,211 km (0.098 R)
• M12: 7,739,895 km (0.109 R)
• M13: 8,275,305 km (0.11 R)
• M14: 8,862,627 km (0.063 R)
• M15: 9,737,325 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695

Radius: 9.2

Gravity: 8.21 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.18 AU - 1.36 AU

Year: 971 Days

Day: 8 Hours

Environment

Temp: -194 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 17,808,584 km

• M1: 114,442 km (0.052 R)
• M2: 416,929 km (0.059 R)
• M3: 849,118 km (0.109 R)
• M4: 1,364,183 km (0.092 R)
• M5: 2,128,179 km (0.039 R)
• M6: 2,523,417 km (0.069 R)
• M7: 3,045,962 km (0.057 R)
• M8: 3,433,271 km (0.113 R)
• M9: 3,868,900 km (0.105 R)
• M10: 4,600,135 km (0.073 R)
• M11: 4,998,962 km (0.057 R)
• M12: 5,322,692 km (0.102 R)
• M13: 5,640,289 km (0.111 R)
• M14: 6,445,723 km (0.052 R)
• M15: 7,086,750 km (0.1 R)
• M16: 8,049,712 km (0.115 R)
• M17: 8,469,184 km (0.118 R)
• M18: 9,351,812 km (0.036 R)
• M19: 9,933,897 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.7

Radius: 10

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.19 AU - 1.69 AU

Year: 1172 Days

Day: 6.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 17,808,584 km

• M1: 125,513 km (0.1 R)
• M2: 590,164 km (0.11 R)
• M3: 957,127 km (0.101 R)
• M4: 1,301,352 km (0.044 R)
• M5: 1,875,509 km (0.064 R)
• M6: 2,261,770 km (0.094 R)
• M7: 2,598,665 km (0.116 R)
• M8: 3,053,293 km (0.088 R)
• M9: 3,390,337 km (0.103 R)
• M10: 3,752,363 km (0.088 R)
• M11: 4,210,282 km (0.115 R)
• M12: 6,616,564 km (0.092 R)
• M13: 7,467,776 km (0.062 R)
• M14: 8,250,173 km (0.091 R)
• M15: 8,646,907 km (0.102 R)
• M16: 9,326,380 km (0.1 R)
• M17: 9,788,488 km (0.092 R)
• M18: 10,428,318 km (0.036 R)
• M19: 10,758,480 km (0.111 R)
• M20: 11,755,999 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.6

Radius: 15

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.73 AU - 2.25 AU

Year: 1904 Days

Day: 9.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 17,808,584 km

• M1: 186,549 km (0.116 R)
• M2: 777,610 km (0.093 R)
• M3: 1,317,808 km (0.062 R)
• M4: 2,482,128 km (0.088 R)
• M5: 3,300,727 km (0.108 R)
• M6: 3,967,336 km (0.079 R)
• M7: 4,937,029 km (0.073 R)
• M8: 5,643,879 km (0.109 R)
• M9: 6,288,197 km (0.071 R)
• M10: 7,404,197 km (0.062 R)
• M11: 8,426,698 km (0.068 R)
• M12: 8,939,520 km (0.049 R)
• M13: 9,992,988 km (0.072 R)
• M14: 10,531,540 km (0.056 R)
• M15: 11,318,425 km (0.108 R)
• M16: 11,904,251 km (0.074 R)
• M17: 12,633,839 km (0.106 R)
• M18: 15,615,175 km (0.108 R)
• M19: 16,688,839 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.4

Radius: 12.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.22 AU - 3.32 AU

Year: 4011 Days

Day: 8.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 17,808,584 km

• M1: 166,054 km (0.102 R)
• M2: 603,179 km (0.07 R)
• M3: 1,331,571 km (0.075 R)
• M4: 1,778,270 km (0.074 R)
• M5: 2,378,606 km (0.051 R)
• M6: 3,876,978 km (0.111 R)
• M7: 4,873,151 km (0.052 R)
• M8: 5,708,655 km (0.049 R)
• M9: 6,774,240 km (0.042 R)
• M10: 7,634,877 km (0.075 R)
• M11: 9,195,632 km (0.092 R)
• M12: 10,105,635 km (0.063 R)
• M13: 11,346,101 km (0.03 R)
• M14: 11,821,523 km (0.116 R)
• M15: 12,476,014 km (0.114 R)
• M16: 15,435,209 km (0.085 R)
• M17: 16,367,204 km (0.089 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: 280 - 16,438 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit