🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.7

Radius: 11.2

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.8 AU - 0.8 AU

Year: 503 Days

Day: 7.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,478,345 km

• M1: 139,425 km (0.056 R)
• M2: 651,200 km (0.071 R)
• M3: 1,270,385 km (0.112 R)
• M4: 1,651,411 km (0.092 R)
• M5: 2,173,807 km (0.032 R)
• M6: 3,253,903 km (0.072 R)
• M7: 3,610,844 km (0.098 R)
• M8: 3,981,547 km (0.098 R)
• M9: 4,702,759 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.9

Radius: 14.3

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.73 AU - 0.89 AU

Year: 512 Days

Day: 7.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 80,478,345 km

• M1: 178,321 km (0.033 R)
• M2: 878,738 km (0.081 R)
• M3: 1,690,157 km (0.086 R)
• M4: 3,478,150 km (0.086 R)
• M5: 3,928,590 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.8

Radius: 12.3

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.68 AU - 1.82 AU

Year: 1627 Days

Day: 12.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,478,345 km

• M1: 157,227 km (0.11 R)
• M2: 574,905 km (0.04 R)
• M3: 962,662 km (0.092 R)
• M4: 1,544,748 km (0.112 R)
• M5: 1,989,801 km (0.087 R)
• M6: 2,573,831 km (0.089 R)
• M7: 3,069,748 km (0.085 R)
• M8: 3,595,585 km (0.104 R)
• M9: 4,199,811 km (0.052 R)
• M10: 4,891,551 km (0.112 R)
• M11: 6,733,400 km (0.091 R)
• M12: 7,237,994 km (0.081 R)
• M13: 7,911,334 km (0.092 R)
• M14: 8,443,603 km (0.074 R)
• M15: 9,190,246 km (0.095 R)
• M16: 10,082,298 km (0.118 R)
• M17: 11,031,197 km (0.113 R)
• M18: 11,696,310 km (0.113 R)
• M19: 13,895,398 km (0.1 R)
• M20: 14,452,949 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.4

Radius: 12.8

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.87 AU - 2.03 AU

Year: 1914 Days

Day: 13.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,478,345 km

• M1: 159,920 km (0.074 R)
• M2: 674,387 km (0.032 R)
• M3: 1,144,424 km (0.108 R)
• M4: 1,678,937 km (0.109 R)
• M5: 2,162,138 km (0.041 R)
• M6: 3,056,135 km (0.066 R)
• M7: 3,518,841 km (0.066 R)
• M8: 4,222,101 km (0.117 R)
• M9: 4,670,745 km (0.111 R)
• M10: 5,545,443 km (0.075 R)
• M11: 6,446,920 km (0.112 R)
• M12: 7,414,818 km (0.097 R)
• M13: 9,673,447 km (0.12 R)
• M14: 10,679,194 km (0.115 R)
• M15: 11,246,020 km (0.081 R)
• M16: 12,481,250 km (0.105 R)
• M17: 14,341,798 km (0.074 R)
• M18: 15,648,685 km (0.109 R)
• M19: 16,529,966 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.8

Radius: 12.4

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.29 AU - 2.41 AU

Year: 2532 Days

Day: 6.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,478,345 km

• M1: 154,385 km (0.077 R)
• M2: 646,113 km (0.072 R)
• M3: 1,193,342 km (0.118 R)
• M4: 1,755,082 km (0.088 R)
• M5: 2,342,254 km (0.097 R)
• M6: 2,914,915 km (0.088 R)
• M7: 4,142,963 km (0.06 R)
• M8: 4,884,370 km (0.11 R)
• M9: 5,623,384 km (0.067 R)
• M10: 6,078,311 km (0.095 R)
• M11: 7,377,569 km (0.064 R)
• M12: 8,409,345 km (0.03 R)
• M13: 10,519,423 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.9

Radius: 8.8

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.69 AU - 3.93 AU

Year: 5228 Days

Day: 13.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,478,345 km

• M1: 109,506 km (0.119 R)
• M2: 453,132 km (0.106 R)
• M3: 1,007,392 km (0.118 R)
• M4: 1,671,756 km (0.105 R)
• M5: 2,076,119 km (0.076 R)
• M6: 2,403,888 km (0.109 R)
• M7: 3,001,083 km (0.084 R)
• M8: 4,726,994 km (0.078 R)
• M9: 6,255,285 km (0.065 R)
• M10: 7,234,403 km (0.116 R)
• M11: 11,896,172 km (0.047 R)
• M12: 13,083,979 km (0.042 R)
• M13: 13,979,472 km (0.095 R)
• M14: 14,677,496 km (0.103 R)
• M15: 17,490,085 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.6

Radius: 9.2

Gravity: 9.57 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 4.1 AU - 5.58 AU

Year: 7485 Days

Day: 5.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 80,478,345 km

• M1: 114,592 km (0.101 R)
• M2: 413,937 km (0.037 R)
• M3: 1,296,565 km (0.114 R)
• M4: 1,709,006 km (0.045 R)
• M5: 2,382,496 km (0.104 R)
• M6: 2,902,647 km (0.025 R)
• M7: 3,403,950 km (0.079 R)
• M8: 5,016,017 km (0.119 R)
• M9: 5,905,226 km (0.11 R)
• M10: 7,708,928 km (0.107 R)
• M11: 8,541,290 km (0.103 R)
• M12: 10,681,737 km (0.109 R)
• M13: 11,242,280 km (0.119 R)
• M14: 12,477,659 km (0.111 R)
• M15: 15,089,189 km (0.055 R)
• M16: 16,123,060 km (0.098 R)
• M17: 21,286,431 km (0.114 R)
• M18: 23,254,690 km (0.034 R)
• M19: 24,808,413 km (0.051 R)
• M20: 25,430,890 km (0.111 R)
• M21: 27,079,459 km (0.066 R)
• M22: 27,549,794 km (0.115 R)
• M23: 28,410,132 km (0.079 R)
• M24: 30,486,999 km (0.055 R)
• M25: 31,098,405 km (0.109 R)
• M26: 31,407,325 km (0.052 R)
• M27: 33,518,600 km (0.057 R)
• M28: 35,498,079 km (0.101 R)
• M29: 36,745,575 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780

Radius: 4

Gravity: 48.75 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 8.16 AU - 10.72 AU

Year: 20388 Days

Day: 22.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 80,478,345 km

• M1: 49,816 km (0.077 R)
• M2: 391,647 km (0.069 R)
• M3: 619,036 km (0.052 R)
• M4: 1,054,067 km (0.093 R)
• M5: 1,306,438 km (0.057 R)
• M6: 1,853,368 km (0.114 R)
• M7: 2,734,948 km (0.11 R)
• M8: 2,861,957 km (0.067 R)
• M9: 3,155,468 km (0.088 R)
• M10: 3,771,063 km (0.065 R)
• M11: 4,428,247 km (0.102 R)
• M12: 4,857,443 km (0.064 R)
• M13: 5,006,592 km (0.12 R)
• M14: 5,197,180 km (0.097 R)
• M15: 5,392,554 km (0.071 R)
• M16: 9,863,885 km (0.062 R)
• M17: 13,431,046 km (0.103 R)
• M18: 13,725,156 km (0.044 R)
• M19: 16,906,355 km (0.053 R)
• M20: 21,833,061 km (0.102 R)
• M21: 24,239,642 km (0.115 R)
• M22: 25,116,585 km (0.099 R)
• M23: 30,953,744 km (0.057 R)
• M24: 31,081,351 km (0.085 R)
• M25: 34,801,401 km (0.058 R)
• M26: 35,916,354 km (0.112 R)
• M27: 39,104,883 km (0.089 R)
• M28: 39,254,182 km (0.12 R)
• M29: 42,951,344 km (0.101 R)
• M30: 44,557,875 km (0.067 R)
• M31: 49,792,454 km (0.088 R)
• M32: 51,028,582 km (0.085 R)
• M33: 54,300,886 km (0.1 R)
• M34: 59,664,867 km (0.116 R)
• M35: 60,858,508 km (0.112 R)
• M36: 63,498,911 km (0.073 R)
• M37: 65,371,128 km (0.063 R)
• M38: 70,763,982 km (0.088 R)
• M39: 71,207,838 km (0.118 R)
• M40: 74,366,598 km (0.091 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 19,749 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit