🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.3

Radius: 13.3

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.49 AU - 0.57 AU

Year: 271 Days

Day: 6.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,936,796 km

• M1: 165,605 km (0.111 R)
• M2: 772,673 km (0.072 R)
• M3: 1,383,481 km (0.036 R)
• M4: 1,907,822 km (0.053 R)
• M5: 2,416,754 km (0.059 R)
• M6: 2,888,585 km (0.078 R)
• M7: 3,510,164 km (0.108 R)
• M8: 4,182,008 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.2

Radius: 11.3

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.76 AU - 1.1 AU

Year: 630 Days

Day: 8.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,936,796 km

• M1: 140,472 km (0.069 R)
• M2: 492,177 km (0.116 R)
• M3: 856,298 km (0.093 R)
• M4: 1,300,454 km (0.107 R)
• M5: 1,694,046 km (0.059 R)
• M6: 2,605,696 km (0.077 R)
• M7: 3,064,662 km (0.114 R)
• M8: 3,760,591 km (0.049 R)
• M9: 4,239,304 km (0.075 R)
• M10: 4,843,381 km (0.062 R)
• M11: 5,827,286 km (0.117 R)
• M12: 6,554,182 km (0.114 R)
• M13: 8,336,192 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.3

Radius: 14.2

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.82 AU - 1.18 AU

Year: 703 Days

Day: 11.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,936,796 km

• M1: 177,124 km (0.115 R)
• M2: 686,205 km (0.106 R)
• M3: 1,514,678 km (0.071 R)
• M4: 2,207,915 km (0.098 R)
• M5: 2,722,980 km (0.095 R)
• M6: 3,192,718 km (0.088 R)
• M7: 3,956,864 km (0.061 R)
• M8: 4,468,937 km (0.118 R)
• M9: 5,180,275 km (0.104 R)
• M10: 5,646,272 km (0.062 R)
• M11: 6,238,680 km (0.072 R)
• M12: 7,481,390 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.4

Radius: 14.3

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.19 AU - 1.69 AU

Year: 1215 Days

Day: 13 Hours

Environment

Temp: -189 °C

Axial Tilt: 76.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,936,796 km

• M1: 178,171 km (0.084 R)
• M2: 650,751 km (0.093 R)
• M3: 1,965,118 km (0.1 R)
• M4: 2,796,583 km (0.09 R)
• M5: 4,347,464 km (0.119 R)
• M6: 5,824,743 km (0.112 R)
• M7: 6,905,288 km (0.106 R)
• M8: 9,126,517 km (0.119 R)
• M9: 9,982,666 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.3

Radius: 13.1

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.34 AU - 4.64 AU

Year: 5602 Days

Day: 12.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,936,796 km

• M1: 162,912 km (0.113 R)
• M2: 605,871 km (0.117 R)
• M3: 1,236,277 km (0.094 R)
• M4: 1,883,587 km (0.074 R)
• M5: 2,368,433 km (0.11 R)
• M6: 2,804,810 km (0.083 R)
• M7: 3,683,698 km (0.054 R)
• M8: 4,176,025 km (0.115 R)
• M9: 5,468,849 km (0.114 R)
• M10: 7,514,451 km (0.059 R)
• M11: 9,204,907 km (0.063 R)
• M12: 10,434,302 km (0.092 R)
• M13: 12,223,343 km (0.034 R)
• M14: 16,525,478 km (0.109 R)
• M15: 18,471,597 km (0.087 R)
• M16: 30,443,765 km (0.084 R)
• M17: 31,587,441 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 827

Radius: 3.1

Gravity: 86.06 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.14 AU - 9.22 AU

Year: 14961 Days

Day: 16 Hours

Environment

Temp: -236 °C

Axial Tilt: 70.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 37,936,796 km

• M1: 38,596 km (0.102 R)
• M2: 140,024 km (0.119 R)
• M3: 683,363 km (0.119 R)
• M4: 984,204 km (0.05 R)
• M5: 1,583,194 km (0.104 R)
• M6: 1,804,300 km (0.081 R)
• M7: 1,913,207 km (0.098 R)
• M8: 2,104,244 km (0.061 R)
• M9: 2,524,763 km (0.076 R)
• M10: 3,363,858 km (0.089 R)
• M11: 4,182,158 km (0.109 R)
• M12: 4,471,032 km (0.081 R)
• M13: 5,197,030 km (0.082 R)
• M14: 5,568,781 km (0.074 R)
• M15: 5,800,358 km (0.065 R)
• M16: 5,918,391 km (0.049 R)
• M17: 7,557,086 km (0.11 R)
• M18: 9,474,781 km (0.075 R)
• M19: 9,916,244 km (0.101 R)
• M20: 12,201,502 km (0.09 R)
• M21: 12,526,129 km (0.112 R)
• M22: 12,856,441 km (0.112 R)
• M23: 15,635,221 km (0.089 R)
• M24: 16,095,385 km (0.063 R)
• M25: 18,875,063 km (0.093 R)
• M26: 20,106,851 km (0.118 R)
• M27: 25,465,896 km (0.102 R)
• M28: 25,676,979 km (0.093 R)
• M29: 27,407,227 km (0.1 R)
• M30: 30,500,612 km (0.063 R)
• M31: 31,824,853 km (0.034 R)
• M32: 34,716,729 km (0.09 R)
• M33: 35,498,827 km (0.091 R)
• M34: 43,074,313 km (0.106 R)
• M35: 44,280,820 km (0.114 R)
• M36: 61,314,034 km (0.093 R)
• M37: 63,224,698 km (0.112 R)
• M38: 64,585,590 km (0.105 R)
• M39: 64,781,563 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 84.9

Radius: 3.5

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 9.3 AU - 9.34 AU

Year: 20000 Days

Day: 21.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,936,796 km

• M1: 43,533 km (0.063 R)
• M2: 295,306 km (0.104 R)
• M3: 1,320,500 km (0.068 R)
• M4: 1,430,156 km (0.061 R)
• M5: 2,041,861 km (0.101 R)
• M6: 2,396,707 km (0.096 R)
• M7: 2,636,064 km (0.087 R)
• M8: 3,828,958 km (0.103 R)
• M9: 7,707,881 km (0.084 R)
• M10: 8,602,326 km (0.102 R)
• M11: 8,900,924 km (0.075 R)
• M12: 14,011,037 km (0.12 R)
• M13: 14,845,345 km (0.098 R)
• M14: 15,089,638 km (0.118 R)
• M15: 23,150,869 km (0.081 R)
• M16: 23,894,370 km (0.053 R)
• M17: 24,653,729 km (0.111 R)
• M18: 26,847,283 km (0.087 R)
• M19: 27,483,971 km (0.101 R)
• M20: 27,667,677 km (0.083 R)
• M21: 36,036,930 km (0.094 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 435 - 16,214 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit