🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.1

Radius: 12.8

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.47 AU - 0.71 AU

Year: 313 Days

Day: 11.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,699,506 km

• M1: 159,172 km (0.109 R)
• M2: 583,731 km (0.073 R)
• M3: 1,020,407 km (0.066 R)
• M4: 1,986,510 km (0.101 R)
• M5: 2,811,991 km (0.09 R)
• M6: 3,304,617 km (0.118 R)
• M7: 3,809,360 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.7

Radius: 10.7

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.57 AU - 0.77 AU

Year: 379 Days

Day: 5 Hours

Environment

Temp: -153 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,699,506 km

• M1: 133,142 km (0.111 R)
• M2: 537,505 km (0.108 R)
• M3: 878,738 km (0.116 R)
• M4: 1,638,845 km (0.105 R)
• M5: 2,091,528 km (0.117 R)
• M6: 2,441,587 km (0.035 R)
• M7: 2,908,183 km (0.033 R)
• M8: 3,806,667 km (0.083 R)
• M9: 4,169,442 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.4

Radius: 12.1

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.91 AU - 1.13 AU

Year: 711 Days

Day: 7.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,699,506 km

• M1: 150,495 km (0.077 R)
• M2: 595,400 km (0.053 R)
• M3: 980,464 km (0.105 R)
• M4: 1,366,277 km (0.086 R)
• M5: 1,816,567 km (0.064 R)
• M6: 2,347,041 km (0.062 R)
• M7: 3,198,851 km (0.109 R)
• M8: 3,829,556 km (0.057 R)
• M9: 4,246,635 km (0.06 R)
• M10: 4,993,876 km (0.079 R)
• M11: 5,510,737 km (0.095 R)
• M12: 6,192,604 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.1

Radius: 9.5

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.03 AU - 1.55 AU

Year: 1011 Days

Day: 9.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,699,506 km

• M1: 118,930 km (0.077 R)
• M2: 454,628 km (0.099 R)
• M3: 793,018 km (0.05 R)
• M4: 1,456,784 km (0.096 R)
• M5: 1,772,136 km (0.083 R)
• M6: 2,422,738 km (0.08 R)
• M7: 2,762,325 km (0.082 R)
• M8: 3,413,225 km (0.065 R)
• M9: 3,782,732 km (0.057 R)
• M10: 4,258,154 km (0.078 R)
• M11: 4,807,627 km (0.079 R)
• M12: 5,403,625 km (0.037 R)
• M13: 5,788,390 km (0.113 R)
• M14: 6,463,226 km (0.099 R)
• M15: 6,830,788 km (0.099 R)
• M16: 8,519,898 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.2

Radius: 11.7

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.61 AU - 1.69 AU

Year: 1463 Days

Day: 13.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 41,699,506 km

• M1: 146,008 km (0.046 R)
• M2: 981,811 km (0.044 R)
• M3: 1,957,488 km (0.041 R)
• M4: 4,137,578 km (0.055 R)
• M5: 5,920,186 km (0.039 R)
• M6: 9,384,723 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.5

Radius: 8.8

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.74 AU - 1.98 AU

Year: 1751 Days

Day: 14.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,699,506 km

• M1: 109,805 km (0.11 R)
• M2: 483,500 km (0.115 R)
• M3: 1,027,887 km (0.074 R)
• M4: 1,348,326 km (0.026 R)
• M5: 2,066,096 km (0.077 R)
• M6: 2,486,616 km (0.088 R)
• M7: 2,855,225 km (0.063 R)
• M8: 3,130,485 km (0.115 R)
• M9: 3,608,301 km (0.102 R)
• M10: 4,185,748 km (0.092 R)
• M11: 4,542,689 km (0.109 R)
• M12: 4,900,377 km (0.053 R)
• M13: 5,276,915 km (0.097 R)
• M14: 5,736,929 km (0.106 R)
• M15: 6,043,305 km (0.119 R)
• M16: 7,153,321 km (0.081 R)
• M17: 10,661,242 km (0.096 R)
• M18: 11,742,685 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.4

Radius: 14.4

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.8 AU - 2.94 AU

Year: 2518 Days

Day: 7.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,699,506 km

• M1: 179,069 km (0.066 R)
• M2: 803,789 km (0.082 R)
• M3: 1,711,699 km (0.064 R)
• M4: 2,269,101 km (0.1 R)
• M5: 3,552,501 km (0.114 R)
• M6: 4,792,667 km (0.108 R)
• M7: 6,572,134 km (0.083 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.1

Radius: 8.5

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.28 AU - 4.16 AU

Year: 4953 Days

Day: 10.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,699,506 km

• M1: 105,766 km (0.032 R)
• M2: 449,841 km (0.107 R)
• M3: 793,617 km (0.066 R)
• M4: 1,212,640 km (0.027 R)
• M5: 1,613,563 km (0.113 R)
• M6: 2,218,686 km (0.085 R)
• M7: 3,004,224 km (0.106 R)
• M8: 4,356,888 km (0.057 R)
• M9: 9,237,220 km (0.105 R)
• M10: 10,613,071 km (0.112 R)
• M11: 11,281,624 km (0.109 R)
• M12: 11,603,110 km (0.116 R)
• M13: 11,978,002 km (0.087 R)
• M14: 16,184,545 km (0.106 R)
• M15: 19,001,622 km (0.052 R)
• M16: 19,787,011 km (0.064 R)
• M17: 22,852,720 km (0.12 R)
• M18: 23,293,884 km (0.087 R)
• M19: 25,585,574 km (0.091 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.8

Radius: 8.7

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.83 AU - 6.23 AU

Year: 8976 Days

Day: 14.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,699,506 km

• M1: 108,309 km (0.071 R)
• M2: 391,797 km (0.109 R)
• M3: 710,141 km (0.092 R)
• M4: 1,802,505 km (0.104 R)
• M5: 2,583,406 km (0.042 R)
• M6: 3,218,598 km (0.076 R)
• M7: 6,401,143 km (0.069 R)
• M8: 9,834,564 km (0.074 R)
• M9: 13,866,975 km (0.118 R)
• M10: 19,200,438 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 87.9

Radius: 6.6

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 9.6 AU - 10.9 AU

Year: 22652 Days

Day: 19.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,699,506 km

• M1: 82,129 km (0.107 R)
• M2: 531,222 km (0.071 R)
• M3: 2,494,245 km (0.097 R)
• M4: 4,293,608 km (0.092 R)
• M5: 6,208,012 km (0.119 R)
• M6: 9,857,452 km (0.12 R)
• M7: 11,992,663 km (0.089 R)
• M8: 12,487,233 km (0.118 R)
• M9: 17,850,916 km (0.101 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: 177 - 18,246 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit