🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.9

Radius: 8.5

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.7 AU - 0.72 AU

Year: 386 Days

Day: 13.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 41,802,555 km

• M1: 111,301 km (0.077 R)
• M2: 461,509 km (0.078 R)
• M3: 867,668 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.9

Radius: 9.7

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.81 AU - 0.89 AU

Year: 506 Days

Day: 12.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,802,555 km

• M1: 120,725 km (0.082 R)
• M2: 477,816 km (0.103 R)
• M3: 816,056 km (0.075 R)
• M4: 1,270,236 km (0.095 R)
• M5: 1,761,216 km (0.097 R)
• M6: 2,189,215 km (0.039 R)
• M7: 2,878,263 km (0.108 R)
• M8: 3,376,723 km (0.109 R)
• M9: 3,718,554 km (0.083 R)
• M10: 4,139,523 km (0.074 R)
• M11: 4,517,108 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366

Radius: 9.5

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.01 AU - 1.55 AU

Year: 935 Days

Day: 6.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,802,555 km

• M1: 118,930 km (0.082 R)
• M2: 537,804 km (0.057 R)
• M3: 1,247,497 km (0.107 R)
• M4: 1,875,060 km (0.115 R)
• M5: 2,236,488 km (0.055 R)
• M6: 2,633,521 km (0.112 R)
• M7: 3,151,578 km (0.101 R)
• M8: 4,360,479 km (0.042 R)
• M9: 5,571,773 km (0.105 R)
• M10: 6,067,390 km (0.089 R)
• M11: 7,323,414 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.4

Radius: 10

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.12 AU - 1.52 AU

Year: 979 Days

Day: 5.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,802,555 km

• M1: 124,465 km (0.112 R)
• M2: 455,526 km (0.075 R)
• M3: 968,945 km (0.06 R)
• M4: 1,349,074 km (0.093 R)
• M5: 1,802,505 km (0.119 R)
• M6: 2,564,257 km (0.101 R)
• M7: 3,108,644 km (0.07 R)
• M8: 3,817,139 km (0.119 R)
• M9: 5,195,983 km (0.1 R)
• M10: 6,193,352 km (0.099 R)
• M11: 6,704,827 km (0.075 R)
• M12: 7,909,688 km (0.062 R)
• M13: 8,486,538 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.3

Radius: 12.9

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.45 AU - 1.77 AU

Year: 1319 Days

Day: 5.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,802,555 km

• M1: 160,519 km (0.094 R)
• M2: 641,924 km (0.119 R)
• M3: 1,235,230 km (0.08 R)
• M4: 2,000,872 km (0.117 R)
• M5: 2,735,397 km (0.12 R)
• M6: 3,700,603 km (0.086 R)
• M7: 4,407,752 km (0.083 R)
• M8: 5,040,401 km (0.067 R)
• M9: 5,655,248 km (0.058 R)
• M10: 6,236,286 km (0.088 R)
• M11: 6,725,322 km (0.074 R)
• M12: 7,194,012 km (0.108 R)
• M13: 8,222,348 km (0.073 R)
• M14: 8,655,134 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.8

Radius: 8.5

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.35 AU - 2.09 AU

Year: 1456 Days

Day: 12.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,802,555 km

• M1: 105,766 km (0.08 R)
• M2: 700,118 km (0.087 R)
• M3: 1,081,293 km (0.118 R)
• M4: 1,392,607 km (0.114 R)
• M5: 2,344,049 km (0.051 R)
• M6: 2,849,391 km (0.114 R)
• M7: 3,763,434 km (0.085 R)
• M8: 4,123,366 km (0.113 R)
• M9: 5,125,073 km (0.12 R)
• M10: 6,260,222 km (0.089 R)
• M11: 7,601,517 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.3

Radius: 14.6

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.37 AU - 2.09 AU

Year: 1469 Days

Day: 14.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,802,555 km

• M1: 191,784 km (0.037 R)
• M2: 700,268 km (0.114 R)
• M3: 1,288,038 km (0.076 R)
• M4: 1,887,925 km (0.107 R)
• M5: 2,502,324 km (0.097 R)
• M6: 3,875,034 km (0.116 R)
• M7: 4,508,431 km (0.066 R)
• M8: 5,515,225 km (0.116 R)
• M9: 7,052,343 km (0.095 R)
• M10: 8,859,635 km (0.094 R)
• M11: 9,535,967 km (0.089 R)
• M12: 10,827,146 km (0.06 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.9

Radius: 9.7

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.57 AU - 2.51 AU

Year: 1881 Days

Day: 6 Hours

Environment

Temp: -186 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,802,555 km

• M1: 120,725 km (0.119 R)
• M2: 541,395 km (0.089 R)
• M3: 909,854 km (0.106 R)
• M4: 1,567,486 km (0.116 R)
• M5: 2,504,867 km (0.116 R)
• M6: 3,750,419 km (0.105 R)
• M7: 5,702,372 km (0.037 R)
• M8: 6,372,271 km (0.112 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.1

Radius: 10.6

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.99 AU - 4.55 AU

Year: 5697 Days

Day: 8.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,802,555 km

• M1: 131,945 km (0.112 R)
• M2: 506,987 km (0.119 R)
• M3: 855,550 km (0.085 R)
• M4: 1,968,409 km (0.111 R)
• M5: 2,379,803 km (0.104 R)
• M6: 2,763,521 km (0.112 R)
• M7: 4,082,227 km (0.094 R)
• M8: 4,469,386 km (0.078 R)
• M9: 5,160,827 km (0.115 R)
• M10: 6,094,767 km (0.081 R)
• M11: 6,945,380 km (0.113 R)
• M12: 9,456,530 km (0.091 R)
• M13: 13,992,487 km (0.08 R)
• M14: 15,578,225 km (0.091 R)
• M15: 16,414,477 km (0.029 R)
• M16: 17,398,083 km (0.068 R)
• M17: 19,229,161 km (0.045 R)
• M18: 23,922,046 km (0.119 R)
• M19: 24,585,662 km (0.076 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.4

Radius: 12.5

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.9 AU - 5.66 AU

Year: 7834 Days

Day: 5.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 41,802,555 km

• M1: 155,582 km (0.061 R)
• M2: 592,856 km (0.066 R)
• M3: 1,079,498 km (0.063 R)
• M4: 1,520,214 km (0.109 R)
• M5: 2,180,688 km (0.103 R)
• M6: 2,820,817 km (0.113 R)
• M7: 5,115,499 km (0.084 R)
• M8: 6,251,097 km (0.117 R)
• M9: 7,667,040 km (0.066 R)
• M10: 8,450,634 km (0.102 R)
• M11: 10,519,722 km (0.047 R)
• M12: 12,907,005 km (0.052 R)
• M13: 13,777,515 km (0.107 R)
• M14: 14,379,347 km (0.06 R)
• M15: 15,506,717 km (0.098 R)
• M16: 16,624,662 km (0.103 R)
• M17: 18,365,532 km (0.071 R)
• M18: 21,319,193 km (0.12 R)
• M19: 21,800,150 km (0.094 R)
• M20: 28,343,710 km (0.117 R)
• M21: 29,813,210 km (0.09 R)
• M22: 33,979,810 km (0.043 R)
• M23: 37,002,136 km (0.1 R)
• M24: 38,283,292 km (0.105 R)
• M25: 39,835,370 km (0.099 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: 487 - 12,955 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit