🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.3

Radius: 13

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.03 AU - 1.21 AU

Year: 765 Days

Day: 11.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,867,607 km

• M1: 161,865 km (0.117 R)
• M2: 568,921 km (0.114 R)
• M3: 1,014,124 km (0.112 R)
• M4: 1,492,688 km (0.088 R)
• M5: 1,909,018 km (0.109 R)
• M6: 2,334,176 km (0.113 R)
• M7: 3,591,396 km (0.115 R)
• M8: 4,098,682 km (0.083 R)
• M9: 4,702,160 km (0.063 R)
• M10: 5,802,303 km (0.09 R)
• M11: 6,834,080 km (0.093 R)
• M12: 7,262,079 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.3

Radius: 13.9

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.41 AU - 1.49 AU

Year: 1127 Days

Day: 10.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 48,867,607 km

• M1: 172,935 km (0.075 R)
• M2: 894,894 km (0.1 R)
• M3: 1,338,003 km (0.101 R)
• M4: 2,234,843 km (0.091 R)
• M5: 4,224,943 km (0.116 R)
• M6: 5,509,540 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.2

Radius: 8.8

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.99 AU - 2.07 AU

Year: 1867 Days

Day: 12.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,867,607 km

• M1: 109,506 km (0.11 R)
• M2: 443,707 km (0.082 R)
• M3: 1,119,291 km (0.094 R)
• M4: 1,406,669 km (0.107 R)
• M5: 1,885,382 km (0.105 R)
• M6: 2,649,677 km (0.11 R)
• M7: 4,173,182 km (0.119 R)
• M8: 4,468,488 km (0.038 R)
• M9: 4,758,259 km (0.101 R)
• M10: 5,122,381 km (0.057 R)
• M11: 6,045,100 km (0.096 R)
• M12: 7,415,716 km (0.104 R)
• M13: 7,795,395 km (0.059 R)
• M14: 8,245,236 km (0.117 R)
• M15: 8,891,798 km (0.066 R)
• M16: 9,827,533 km (0.043 R)
• M17: 10,352,771 km (0.102 R)
• M18: 10,656,305 km (0.118 R)
• M19: 11,210,715 km (0.099 R)
• M20: 12,414,828 km (0.105 R)
• M21: 13,028,778 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.9

Radius: 8.9

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.72 AU - 2.72 AU

Year: 2136 Days

Day: 13 Hours

Environment

Temp: -192 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,867,607 km

• M1: 110,702 km (0.074 R)
• M2: 440,715 km (0.066 R)
• M3: 766,689 km (0.112 R)
• M4: 1,192,145 km (0.085 R)
• M5: 1,585,438 km (0.03 R)
• M6: 2,016,729 km (0.116 R)
• M7: 2,312,035 km (0.09 R)
• M8: 3,294,295 km (0.06 R)
• M9: 4,350,007 km (0.108 R)
• M10: 4,677,477 km (0.099 R)
• M11: 5,382,382 km (0.101 R)
• M12: 5,736,330 km (0.114 R)
• M13: 6,080,705 km (0.106 R)
• M14: 6,756,887 km (0.088 R)
• M15: 9,087,771 km (0.081 R)
• M16: 9,590,719 km (0.088 R)
• M17: 12,067,163 km (0.087 R)
• M18: 15,265,715 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.7

Radius: 11

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.11 AU - 2.49 AU

Year: 2252 Days

Day: 8.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,867,607 km

• M1: 138,677 km (0.088 R)
• M2: 586,573 km (0.095 R)
• M3: 1,091,765 km (0.1 R)
• M4: 1,538,016 km (0.076 R)
• M5: 2,130,423 km (0.11 R)
• M6: 2,718,193 km (0.119 R)
• M7: 3,429,082 km (0.063 R)
• M8: 4,341,480 km (0.067 R)
• M9: 5,266,294 km (0.07 R)
• M10: 6,003,811 km (0.1 R)
• M11: 6,614,919 km (0.063 R)
• M12: 7,384,749 km (0.077 R)
• M13: 11,189,322 km (0.029 R)
• M14: 12,198,360 km (0.111 R)
• M15: 14,028,690 km (0.119 R)
• M16: 14,583,698 km (0.099 R)
• M17: 15,836,431 km (0.112 R)
• M18: 16,185,742 km (0.107 R)
• M19: 16,642,314 km (0.077 R)
• M20: 18,063,793 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.8

Radius: 13.6

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.91 AU - 5.59 AU

Year: 7767 Days

Day: 5.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,867,607 km

• M1: 169,195 km (0.093 R)
• M2: 746,793 km (0.039 R)
• M3: 1,702,573 km (0.099 R)
• M4: 2,621,703 km (0.05 R)
• M5: 3,224,582 km (0.08 R)
• M6: 3,895,828 km (0.055 R)
• M7: 4,632,597 km (0.104 R)
• M8: 8,948,047 km (0.062 R)
• M9: 9,448,003 km (0.046 R)
• M10: 10,143,633 km (0.053 R)
• M11: 10,919,897 km (0.102 R)
• M12: 11,539,980 km (0.093 R)
• M13: 15,058,073 km (0.118 R)
• M14: 19,650,428 km (0.11 R)
• M15: 24,050,550 km (0.092 R)
• M16: 26,778,019 km (0.114 R)
• M17: 28,172,121 km (0.11 R)
• M18: 28,707,233 km (0.059 R)
• M19: 30,167,308 km (0.098 R)
• M20: 30,633,605 km (0.091 R)
• M21: 31,964,876 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834

Radius: 7.8

Gravity: 13.71 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 7.47 AU - 10.65 AU

Year: 17608 Days

Day: 22.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 48,867,607 km

• M1: 97,089 km (0.1 R)
• M2: 624,571 km (0.073 R)
• M3: 1,003,951 km (0.114 R)
• M4: 1,613,563 km (0.055 R)
• M5: 2,170,516 km (0.079 R)
• M6: 2,448,917 km (0.093 R)
• M7: 3,131,233 km (0.065 R)
• M8: 3,403,501 km (0.066 R)
• M9: 3,691,776 km (0.066 R)
• M10: 5,048,479 km (0.08 R)
• M11: 6,317,219 km (0.114 R)
• M12: 8,547,873 km (0.081 R)
• M13: 9,082,536 km (0.111 R)
• M14: 10,698,791 km (0.086 R)
• M15: 13,540,402 km (0.096 R)
• M16: 14,341,050 km (0.088 R)
• M17: 14,866,737 km (0.107 R)
• M18: 15,405,140 km (0.073 R)
• M19: 16,602,671 km (0.098 R)
• M20: 16,849,358 km (0.057 R)
• M21: 18,734,441 km (0.119 R)
• M22: 25,010,969 km (0.115 R)
• M23: 25,444,354 km (0.106 R)
• M24: 27,341,853 km (0.111 R)
• M25: 31,794,035 km (0.106 R)
• M26: 32,945,789 km (0.1 R)
• M27: 35,468,159 km (0.08 R)
• M28: 36,846,105 km (0.083 R)
• M29: 38,834,710 km (0.055 R)
• M30: 48,170,664 km (0.106 R)
• M31: 55,895,599 km (0.088 R)
• M32: 60,632,615 km (0.108 R)
• M33: 67,077,292 km (0.063 R)
• M34: 67,494,670 km (0.115 R)
• M35: 72,200,121 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 159.8

Radius: 7.7

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 9.47 AU - 11.11 AU

Year: 21313 Days

Day: 21.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,867,607 km

• M1: 98,884 km (0.097 R)
• M2: 547,379 km (0.05 R)
• M3: 1,360,593 km (0.105 R)
• M4: 1,801,158 km (0.104 R)
• M5: 2,063,852 km (0.057 R)
• M6: 2,371,276 km (0.054 R)
• M7: 2,626,789 km (0.119 R)
• M8: 5,257,019 km (0.064 R)
• M9: 5,975,388 km (0.027 R)
• M10: 6,913,965 km (0.092 R)
• M11: 8,569,415 km (0.1 R)
• M12: 12,702,056 km (0.112 R)
• M13: 19,382,499 km (0.093 R)
• M14: 19,859,267 km (0.103 R)
• M15: 26,595,360 km (0.046 R)
• M16: 35,178,538 km (0.095 R)
• M17: 36,007,160 km (0.1 R)
• M18: 36,607,048 km (0.026 R)
• M19: 39,199,280 km (0.04 R)
• M20: 48,721,483 km (0.104 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 448 - 17,504 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit