🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.8

Radius: 10.3

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.65 AU - 0.97 AU

Year: 486 Days

Day: 14 Hours

Environment

Temp: -162 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,313,649 km

• M1: 130,150 km (0.094 R)
• M2: 608,415 km (0.113 R)
• M3: 1,102,836 km (0.062 R)
• M4: 1,666,969 km (0.095 R)
• M5: 2,059,215 km (0.11 R)
• M6: 3,275,146 km (0.11 R)
• M7: 3,611,143 km (0.103 R)
• M8: 4,146,255 km (0.034 R)
• M9: 4,803,438 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.1

Radius: 8.2

Gravity: 10.83 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.16 AU - 1.42 AU

Year: 977 Days

Day: 10.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,313,649 km

• M1: 102,026 km (0.068 R)
• M2: 363,074 km (0.057 R)
• M3: 622,477 km (0.117 R)
• M4: 913,295 km (0.054 R)
• M5: 1,449,005 km (0.081 R)
• M6: 1,792,930 km (0.078 R)
• M7: 2,127,581 km (0.082 R)
• M8: 3,178,506 km (0.087 R)
• M9: 4,082,825 km (0.034 R)
• M10: 5,110,562 km (0.086 R)
• M11: 5,562,647 km (0.12 R)
• M12: 6,062,454 km (0.117 R)
• M13: 6,961,986 km (0.076 R)
• M14: 7,999,148 km (0.049 R)
• M15: 8,473,971 km (0.045 R)
• M16: 9,743,309 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.1

Radius: 10.7

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.57 AU - 1.93 AU

Year: 1544 Days

Day: 13.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,313,649 km

• M1: 134,488 km (0.059 R)
• M2: 565,480 km (0.096 R)
• M3: 1,042,548 km (0.101 R)
• M4: 1,654,104 km (0.07 R)
• M5: 2,127,581 km (0.104 R)
• M6: 2,557,226 km (0.111 R)
• M7: 3,744,285 km (0.072 R)
• M8: 4,888,260 km (0.095 R)
• M9: 5,964,916 km (0.058 R)
• M10: 6,851,732 km (0.119 R)
• M11: 8,052,554 km (0.082 R)
• M12: 9,909,064 km (0.097 R)
• M13: 10,312,230 km (0.117 R)
• M14: 10,901,945 km (0.093 R)
• M15: 12,148,993 km (0.039 R)
• M16: 13,326,328 km (0.065 R)
• M17: 14,026,296 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.3

Radius: 14.9

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.53 AU - 2.39 AU

Year: 1830 Days

Day: 15 Hours

Environment

Temp: -207 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,313,649 km

• M1: 185,501 km (0.073 R)
• M2: 657,483 km (0.113 R)
• M3: 1,228,647 km (0.087 R)
• M4: 1,952,103 km (0.071 R)
• M5: 2,520,425 km (0.108 R)
• M6: 3,124,651 km (0.071 R)
• M7: 3,623,859 km (0.068 R)
• M8: 4,608,811 km (0.105 R)
• M9: 5,112,507 km (0.102 R)
• M10: 5,698,033 km (0.088 R)
• M11: 7,004,472 km (0.035 R)
• M12: 7,728,824 km (0.065 R)
• M13: 8,681,464 km (0.039 R)
• M14: 9,939,881 km (0.104 R)
• M15: 10,510,148 km (0.04 R)
• M16: 11,606,700 km (0.073 R)
• M17: 13,053,461 km (0.104 R)
• M18: 13,985,755 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.9

Radius: 11.4

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.07 AU - 2.11 AU

Year: 2015 Days

Day: 5.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,313,649 km

• M1: 141,819 km (0.103 R)
• M2: 822,040 km (0.105 R)
• M3: 1,333,665 km (0.101 R)
• M4: 1,705,565 km (0.072 R)
• M5: 2,115,763 km (0.09 R)
• M6: 2,728,665 km (0.053 R)
• M7: 4,189,788 km (0.12 R)
• M8: 4,703,357 km (0.09 R)
• M9: 5,439,678 km (0.099 R)
• M10: 6,162,086 km (0.096 R)
• M11: 6,686,426 km (0.061 R)
• M12: 7,465,083 km (0.098 R)
• M13: 8,141,415 km (0.093 R)
• M14: 8,522,291 km (0.09 R)
• M15: 9,981,020 km (0.043 R)
• M16: 11,063,959 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.7

Radius: 10.2

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.01 AU - 2.63 AU

Year: 2356 Days

Day: 12.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,313,649 km

• M1: 131,347 km (0.105 R)
• M2: 484,548 km (0.107 R)
• M3: 968,048 km (0.09 R)
• M4: 1,888,524 km (0.073 R)
• M5: 2,432,611 km (0.069 R)
• M6: 3,345,008 km (0.1 R)
• M7: 3,782,582 km (0.07 R)
• M8: 4,711,585 km (0.112 R)
• M9: 6,096,712 km (0.097 R)
• M10: 7,565,763 km (0.059 R)
• M11: 8,565,525 km (0.109 R)
• M12: 10,192,552 km (0.11 R)
• M13: 11,225,675 km (0.12 R)
• M14: 11,710,821 km (0.099 R)
• M15: 12,054,896 km (0.09 R)
• M16: 13,877,746 km (0.113 R)
• M17: 15,100,559 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.3

Radius: 5

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 5.99 AU - 6.93 AU

Year: 10949 Days

Day: 15.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,313,649 km

• M1: 62,382 km (0.104 R)
• M2: 269,875 km (0.084 R)
• M3: 433,684 km (0.114 R)
• M4: 673,639 km (0.086 R)
• M5: 853,007 km (0.109 R)
• M6: 1,235,230 km (0.09 R)
• M7: 1,435,840 km (0.111 R)
• M8: 1,594,265 km (0.081 R)
• M9: 1,903,334 km (0.072 R)
• M10: 2,449,516 km (0.105 R)
• M11: 2,677,054 km (0.116 R)
• M12: 3,708,681 km (0.062 R)
• M13: 5,700,876 km (0.069 R)
• M14: 6,164,629 km (0.078 R)
• M15: 6,619,556 km (0.107 R)
• M16: 8,586,319 km (0.119 R)
• M17: 21,125,164 km (0.096 R)
• M18: 25,945,058 km (0.057 R)
• M19: 27,643,592 km (0.079 R)
• M20: 30,236,123 km (0.078 R)
• M21: 30,513,178 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 718.4

Radius: 3.9

Gravity: 47.23 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 7.27 AU - 10.29 AU

Year: 17349 Days

Day: 24.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 70,313,649 km

• M1: 69,563 km (0.101 R)
• M2: 213,775 km (0.118 R)
• M3: 336,296 km (0.092 R)
• M4: 699,220 km (0.063 R)
• M5: 892,351 km (0.098 R)
• M6: 1,341,295 km (0.107 R)
• M7: 1,493,884 km (0.098 R)
• M8: 2,121,597 km (0.106 R)
• M9: 2,350,931 km (0.086 R)
• M10: 2,482,876 km (0.101 R)
• M11: 2,959,046 km (0.091 R)
• M12: 3,550,257 km (0.088 R)
• M13: 3,724,389 km (0.096 R)
• M14: 4,511,872 km (0.099 R)
• M15: 5,792,430 km (0.119 R)
• M16: 10,568,641 km (0.1 R)
• M17: 11,738,795 km (0.081 R)
• M18: 16,313,199 km (0.089 R)
• M19: 16,713,822 km (0.106 R)
• M20: 17,368,313 km (0.119 R)
• M21: 19,613,478 km (0.09 R)
• M22: 21,851,013 km (0.115 R)
• M23: 23,031,041 km (0.06 R)
• M24: 24,356,628 km (0.117 R)
• M25: 24,565,018 km (0.115 R)
• M26: 24,879,771 km (0.062 R)
• M27: 27,495,341 km (0.111 R)
• M28: 29,219,905 km (0.085 R)
• M29: 32,001,977 km (0.078 R)
• M30: 33,392,938 km (0.077 R)
• M31: 34,955,786 km (0.075 R)
• M32: 35,353,866 km (0.1 R)
• M33: 40,080,112 km (0.062 R)
• M34: 40,516,339 km (0.075 R)
• M35: 41,843,871 km (0.12 R)
• M36: 51,442,669 km (0.093 R)
• M37: 54,407,100 km (0.116 R)
• M38: 60,482,569 km (0.112 R)
• M39: 69,683,137 km (0.111 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 555 - 18,658 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit