🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.2

Radius: 12

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.65 AU - 0.75 AU

Year: 378 Days

Day: 8.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,259,144 km

• M1: 149,299 km (0.064 R)
• M2: 809,175 km (0.075 R)
• M3: 1,183,918 km (0.037 R)
• M4: 1,598,453 km (0.099 R)
• M5: 2,055,026 km (0.056 R)
• M6: 2,497,237 km (0.118 R)
• M7: 3,129,139 km (0.108 R)
• M8: 3,588,255 km (0.116 R)
• M9: 4,015,656 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.6

Radius: 8.5

Gravity: 10.89 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.68 AU - 0.98 AU

Year: 488 Days

Day: 11.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,259,144 km

• M1: 105,766 km (0.072 R)
• M2: 537,655 km (0.061 R)
• M3: 853,905 km (0.102 R)
• M4: 1,461,122 km (0.118 R)
• M5: 2,020,319 km (0.113 R)
• M6: 2,715,501 km (0.08 R)
• M7: 3,273,800 km (0.109 R)
• M8: 3,879,222 km (0.091 R)
• M9: 4,172,883 km (0.114 R)
• M10: 4,981,160 km (0.116 R)
• M11: 6,298,070 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.3

Radius: 13.7

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.59 AU - 2.17 AU

Year: 1664 Days

Day: 12 Hours

Environment

Temp: -178 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,259,144 km

• M1: 170,392 km (0.053 R)
• M2: 708,496 km (0.109 R)
• M3: 1,181,674 km (0.12 R)
• M4: 2,047,995 km (0.106 R)
• M5: 2,484,372 km (0.089 R)
• M6: 2,910,427 km (0.037 R)
• M7: 4,339,535 km (0.036 R)
• M8: 4,963,957 km (0.076 R)
• M9: 5,670,806 km (0.111 R)
• M10: 6,751,651 km (0.077 R)
• M11: 7,396,717 km (0.066 R)
• M12: 8,380,922 km (0.105 R)
• M13: 9,417,934 km (0.116 R)
• M14: 10,259,123 km (0.085 R)
• M15: 11,003,971 km (0.082 R)
• M16: 13,623,579 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975

Radius: 10.9

Gravity: 8.21 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2 AU - 2.14 AU

Year: 1923 Days

Day: 5.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,259,144 km

• M1: 135,685 km (0.065 R)
• M2: 506,389 km (0.106 R)
• M3: 867,668 km (0.094 R)
• M4: 1,225,955 km (0.101 R)
• M5: 2,258,778 km (0.069 R)
• M6: 2,896,215 km (0.084 R)
• M7: 3,472,017 km (0.042 R)
• M8: 4,425,703 km (0.107 R)
• M9: 5,618,447 km (0.086 R)
• M10: 6,120,348 km (0.078 R)
• M11: 7,869,147 km (0.093 R)
• M12: 9,093,307 km (0.109 R)
• M13: 9,821,998 km (0.119 R)
• M14: 10,815,776 km (0.096 R)
• M15: 12,119,671 km (0.114 R)
• M16: 14,568,140 km (0.038 R)
• M17: 14,990,305 km (0.12 R)
• M18: 15,468,869 km (0.117 R)
• M19: 17,803,343 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.5

Radius: 13.8

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.86 AU - 3.72 AU

Year: 3853 Days

Day: 9.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,259,144 km

• M1: 171,888 km (0.097 R)
• M2: 694,733 km (0.085 R)
• M3: 3,547,714 km (0.048 R)
• M4: 4,379,478 km (0.072 R)
• M5: 5,259,263 km (0.061 R)
• M6: 7,015,841 km (0.095 R)
• M7: 9,638,591 km (0.114 R)
• M8: 11,169,875 km (0.052 R)
• M9: 15,893,278 km (0.095 R)
• M10: 19,377,711 km (0.113 R)
• M11: 22,986,910 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.7

Radius: 9.7

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.93 AU - 4.69 AU

Year: 4802 Days

Day: 13.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,259,144 km

• M1: 120,725 km (0.046 R)
• M2: 1,149,510 km (0.084 R)
• M3: 1,459,626 km (0.106 R)
• M4: 1,772,286 km (0.097 R)
• M5: 3,659,613 km (0.045 R)
• M6: 4,027,773 km (0.086 R)
• M7: 4,370,203 km (0.096 R)
• M8: 5,141,828 km (0.061 R)
• M9: 5,457,480 km (0.067 R)
• M10: 6,885,840 km (0.094 R)
• M11: 8,628,506 km (0.034 R)
• M12: 10,328,387 km (0.087 R)
• M13: 10,879,206 km (0.118 R)
• M14: 15,833,887 km (0.104 R)
• M15: 17,642,974 km (0.098 R)
• M16: 18,765,258 km (0.077 R)
• M17: 21,592,807 km (0.084 R)
• M18: 24,855,237 km (0.086 R)
• M19: 25,511,822 km (0.11 R)
• M20: 29,514,014 km (0.062 R)
• M21: 29,880,679 km (0.087 R)
• M22: 30,623,133 km (0.071 R)
• M23: 31,472,998 km (0.063 R)
• M24: 32,435,661 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.1

Radius: 9.4

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.08 AU - 5.52 AU

Year: 7878 Days

Day: 6.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 31,259,144 km

• M1: 117,734 km (0.026 R)
• M2: 510,877 km (0.119 R)
• M3: 860,786 km (0.11 R)
• M4: 1,452,147 km (0.069 R)
• M5: 1,894,059 km (0.057 R)
• M6: 2,216,442 km (0.05 R)
• M7: 2,898,309 km (0.104 R)
• M8: 3,713,917 km (0.109 R)
• M9: 4,345,968 km (0.107 R)
• M10: 4,700,963 km (0.11 R)
• M11: 5,185,960 km (0.052 R)
• M12: 6,743,274 km (0.115 R)
• M13: 7,220,491 km (0.087 R)
• M14: 9,029,578 km (0.107 R)
• M15: 9,652,055 km (0.12 R)
• M16: 10,126,579 km (0.11 R)
• M17: 10,436,695 km (0.095 R)
• M18: 12,634,438 km (0.119 R)
• M19: 13,733,683 km (0.064 R)
• M20: 14,389,819 km (0.045 R)
• M21: 15,009,454 km (0.099 R)
• M22: 16,061,725 km (0.116 R)
• M23: 18,312,575 km (0.101 R)
• M24: 20,624,161 km (0.109 R)
• M25: 21,195,026 km (0.104 R)
• M26: 21,849,966 km (0.05 R)
• M27: 22,593,318 km (0.103 R)
• M28: 24,604,960 km (0.102 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 16,539 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit