🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.3

Radius: 11

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.46 AU - 0.56 AU

Year: 247 Days

Day: 7.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 47,201,668 km

• M1: 139,874 km (0.098 R)
• M2: 580,889 km (0.096 R)
• M3: 1,227,002 km (0.073 R)
• M4: 1,689,110 km (0.027 R)
• M5: 2,364,245 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.9

Radius: 8.2

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.71 AU - 0.85 AU

Year: 467 Days

Day: 9.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,201,668 km

• M1: 102,923 km (0.101 R)
• M2: 382,971 km (0.061 R)
• M3: 689,048 km (0.111 R)
• M4: 975,528 km (0.102 R)
• M5: 1,482,664 km (0.119 R)
• M6: 1,932,505 km (0.106 R)
• M7: 2,287,052 km (0.086 R)
• M8: 2,684,534 km (0.088 R)
• M9: 2,963,983 km (0.101 R)
• M10: 3,692,823 km (0.057 R)
• M11: 4,338,189 km (0.093 R)
• M12: 4,622,425 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.1

Radius: 14.8

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.94 AU - 1.36 AU

Year: 836 Days

Day: 10.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,201,668 km

• M1: 184,753 km (0.102 R)
• M2: 927,208 km (0.064 R)
• M3: 2,388,928 km (0.105 R)
• M4: 2,934,063 km (0.065 R)
• M5: 3,407,540 km (0.084 R)
• M6: 3,901,812 km (0.042 R)
• M7: 5,165,764 km (0.063 R)
• M8: 6,046,447 km (0.043 R)
• M9: 7,832,945 km (0.058 R)
• M10: 8,517,953 km (0.116 R)
• M11: 9,078,197 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.1

Radius: 13.3

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.47 AU - 1.75 AU

Year: 1386 Days

Day: 6.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,201,668 km

• M1: 165,455 km (0.116 R)
• M2: 683,363 km (0.099 R)
• M3: 1,153,549 km (0.117 R)
• M4: 1,795,474 km (0.084 R)
• M5: 2,423,486 km (0.1 R)
• M6: 2,902,199 km (0.082 R)
• M7: 4,035,253 km (0.109 R)
• M8: 5,292,473 km (0.105 R)
• M9: 5,734,834 km (0.111 R)
• M10: 7,081,066 km (0.095 R)
• M11: 7,814,694 km (0.111 R)
• M12: 9,306,783 km (0.066 R)
• M13: 10,221,275 km (0.097 R)
• M14: 10,665,879 km (0.055 R)
• M15: 11,230,761 km (0.052 R)
• M16: 12,002,536 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929

Radius: 12.2

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.71 AU - 2.73 AU

Year: 3043 Days

Day: 11.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,201,668 km

• M1: 152,889 km (0.05 R)
• M2: 561,291 km (0.104 R)
• M3: 1,655,300 km (0.076 R)
• M4: 2,074,474 km (0.072 R)
• M5: 2,772,797 km (0.11 R)
• M6: 3,563,571 km (0.111 R)
• M7: 4,076,542 km (0.096 R)
• M8: 4,568,569 km (0.105 R)
• M9: 5,407,065 km (0.114 R)
• M10: 6,462,628 km (0.064 R)
• M11: 7,683,945 km (0.089 R)
• M12: 9,894,852 km (0.089 R)
• M13: 10,745,615 km (0.089 R)
• M14: 11,557,034 km (0.12 R)
• M15: 16,683,304 km (0.034 R)
• M16: 17,712,687 km (0.075 R)
• M17: 19,646,539 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.1

Radius: 14.8

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.12 AU - 4.94 AU

Year: 5487 Days

Day: 11.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,201,668 km

• M1: 184,005 km (0.099 R)
• M2: 780,452 km (0.089 R)
• M3: 1,516,773 km (0.036 R)
• M4: 2,051,286 km (0.102 R)
• M5: 2,559,470 km (0.096 R)
• M6: 3,513,904 km (0.06 R)
• M7: 4,468,788 km (0.113 R)
• M8: 4,954,981 km (0.109 R)
• M9: 8,201,254 km (0.104 R)
• M10: 8,698,219 km (0.091 R)
• M11: 9,460,719 km (0.087 R)
• M12: 10,267,650 km (0.116 R)
• M13: 11,922,202 km (0.077 R)
• M14: 12,966,096 km (0.042 R)
• M15: 13,536,812 km (0.112 R)
• M16: 14,784,458 km (0.106 R)
• M17: 15,580,618 km (0.114 R)
• M18: 16,889,450 km (0.074 R)
• M19: 17,508,187 km (0.095 R)
• M20: 19,929,728 km (0.102 R)
• M21: 21,328,019 km (0.091 R)
• M22: 23,776,786 km (0.096 R)
• M23: 24,791,210 km (0.11 R)
• M24: 26,573,219 km (0.093 R)
• M25: 27,750,854 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 101.6

Radius: 6.8

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 5.2 AU - 8.14 AU

Year: 11684 Days

Day: 18.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,201,668 km

• M1: 84,523 km (0.043 R)
• M2: 462,856 km (0.112 R)
• M3: 790,475 km (0.099 R)
• M4: 2,869,736 km (0.093 R)
• M5: 4,577,396 km (0.108 R)
• M6: 6,329,636 km (0.065 R)
• M7: 18,948,216 km (0.098 R)
• M8: 20,000,936 km (0.084 R)
• M9: 24,144,049 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.5

Radius: 3.4

Gravity: 19.68 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 7.07 AU - 10.03 AU

Year: 16957 Days

Day: 24.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 47,201,668 km

• M1: 42,336 km (0.066 R)
• M2: 195,225 km (0.072 R)
• M3: 448,494 km (0.093 R)
• M4: 586,723 km (0.071 R)
• M5: 788,082 km (0.096 R)
• M6: 960,269 km (0.098 R)
• M7: 1,122,582 km (0.054 R)
• M8: 1,393,504 km (0.102 R)
• M9: 1,847,235 km (0.106 R)
• M10: 2,733,452 km (0.102 R)
• M11: 2,883,050 km (0.103 R)
• M12: 3,662,455 km (0.078 R)
• M13: 4,753,323 km (0.051 R)
• M14: 6,043,904 km (0.081 R)
• M15: 7,550,953 km (0.114 R)
• M16: 10,177,891 km (0.091 R)
• M17: 10,641,645 km (0.116 R)
• M18: 10,852,129 km (0.111 R)
• M19: 13,786,192 km (0.06 R)
• M20: 14,675,252 km (0.102 R)
• M21: 20,257,646 km (0.056 R)
• M22: 20,744,138 km (0.101 R)
• M23: 21,656,087 km (0.099 R)
• M24: 25,760,155 km (0.106 R)
• M25: 32,289,803 km (0.107 R)
• M26: 37,853,048 km (0.09 R)
• M27: 39,967,016 km (0.118 R)
• M28: 40,475,499 km (0.095 R)
• M29: 42,421,169 km (0.053 R)
• M30: 42,685,209 km (0.117 R)
• M31: 46,218,262 km (0.053 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: 521 - 18,397 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit