🌌 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: 863.4

Radius: 12.6

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.44 AU - 0.62 AU

Year: 266 Days

Day: 7.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,760,768 km

• M1: 156,779 km (0.076 R)
• M2: 563,236 km (0.106 R)
• M3: 1,266,795 km (0.1 R)
• M4: 1,686,866 km (0.113 R)
• M5: 2,185,326 km (0.025 R)
• M6: 3,710,326 km (0.093 R)
• M7: 4,140,570 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.5

Radius: 14.4

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.55 AU - 0.69 AU

Year: 337 Days

Day: 9 Hours

Environment

Temp: -162 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,760,768 km

• M1: 179,069 km (0.116 R)
• M2: 817,702 km (0.092 R)
• M3: 1,579,454 km (0.079 R)
• M4: 2,530,298 km (0.071 R)
• M5: 2,978,045 km (0.12 R)
• M6: 4,297,797 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.6

Radius: 9.2

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.75 AU - 1.21 AU

Year: 670 Days

Day: 14.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,760,768 km

• M1: 114,442 km (0.032 R)
• M2: 404,064 km (0.074 R)
• M3: 763,099 km (0.092 R)
• M4: 1,631,066 km (0.083 R)
• M5: 2,318,767 km (0.043 R)
• M6: 3,088,747 km (0.1 R)
• M7: 3,419,957 km (0.077 R)
• M8: 3,946,841 km (0.11 R)
• M9: 4,494,967 km (0.118 R)
• M10: 5,856,757 km (0.066 R)
• M11: 6,407,127 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.6

Radius: 10.7

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.15 AU - 1.71 AU

Year: 1180 Days

Day: 14.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,760,768 km

• M1: 133,142 km (0.111 R)
• M2: 558,898 km (0.049 R)
• M3: 995,424 km (0.093 R)
• M4: 1,559,109 km (0.104 R)
• M5: 2,189,814 km (0.026 R)
• M6: 2,673,763 km (0.102 R)
• M7: 3,228,172 km (0.119 R)
• M8: 4,551,964 km (0.064 R)
• M9: 6,148,921 km (0.113 R)
• M10: 6,590,385 km (0.11 R)
• M11: 7,117,717 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.8

Radius: 12.5

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.44 AU - 2.08 AU

Year: 1612 Days

Day: 14.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,760,768 km

• M1: 155,432 km (0.044 R)
• M2: 657,632 km (0.087 R)
• M3: 1,391,709 km (0.075 R)
• M4: 1,977,684 km (0.04 R)
• M5: 2,576,075 km (0.087 R)
• M6: 3,095,030 km (0.11 R)
• M7: 3,514,353 km (0.08 R)
• M8: 4,104,966 km (0.118 R)
• M9: 4,705,302 km (0.115 R)
• M10: 5,183,417 km (0.093 R)
• M11: 5,864,536 km (0.079 R)
• M12: 6,888,533 km (0.073 R)
• M13: 7,790,608 km (0.029 R)
• M14: 8,243,291 km (0.104 R)
• M15: 8,883,720 km (0.12 R)
• M16: 9,708,004 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.3

Radius: 10.9

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.07 AU - 3.11 AU

Year: 2877 Days

Day: 5.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,760,768 km

• M1: 135,685 km (0.107 R)
• M2: 640,578 km (0.113 R)
• M3: 3,694,469 km (0.098 R)
• M4: 6,066,493 km (0.066 R)
• M5: 7,711,621 km (0.06 R)
• M6: 11,193,062 km (0.042 R)
• M7: 12,127,451 km (0.104 R)
• M8: 12,476,462 km (0.117 R)
• M9: 13,194,383 km (0.111 R)
• M10: 13,729,793 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.3

Radius: 12.2

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.69 AU - 5.27 AU

Year: 6545 Days

Day: 9.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,760,768 km

• M1: 152,590 km (0.09 R)
• M2: 1,197,082 km (0.105 R)
• M3: 1,718,580 km (0.06 R)
• M4: 2,924,190 km (0.097 R)
• M5: 3,708,681 km (0.059 R)
• M6: 4,629,007 km (0.096 R)
• M7: 7,220,640 km (0.11 R)
• M8: 8,244,189 km (0.108 R)
• M9: 11,224,927 km (0.059 R)
• M10: 13,047,777 km (0.084 R)
• M11: 14,563,502 km (0.116 R)
• M12: 15,517,338 km (0.113 R)
• M13: 16,727,136 km (0.118 R)
• M14: 21,236,315 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264

Radius: 12.5

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.33 AU - 5.05 AU

Year: 7011 Days

Day: 6.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,760,768 km

• M1: 158,873 km (0.052 R)
• M2: 664,813 km (0.114 R)
• M3: 1,203,066 km (0.112 R)
• M4: 1,907,373 km (0.106 R)
• M5: 2,393,117 km (0.1 R)
• M6: 3,239,841 km (0.12 R)
• M7: 3,659,912 km (0.047 R)
• M8: 4,071,306 km (0.117 R)
• M9: 6,338,163 km (0.047 R)
• M10: 9,147,760 km (0.098 R)
• M11: 13,396,938 km (0.114 R)
• M12: 15,358,914 km (0.106 R)
• M13: 21,193,830 km (0.065 R)
• M14: 21,610,011 km (0.11 R)
• M15: 23,773,046 km (0.085 R)
• M16: 24,830,404 km (0.111 R)
• M17: 27,120,149 km (0.104 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.4

Radius: 13.1

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.25 AU - 5.97 AU

Year: 7973 Days

Day: 5.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 44,760,768 km

• M1: 162,912 km (0.109 R)
• M2: 771,775 km (0.111 R)
• M3: 1,978,432 km (0.032 R)
• M4: 2,421,990 km (0.066 R)
• M5: 2,911,474 km (0.059 R)
• M6: 3,808,612 km (0.035 R)
• M7: 4,942,564 km (0.036 R)
• M8: 5,441,922 km (0.1 R)
• M9: 6,009,496 km (0.109 R)
• M10: 6,840,213 km (0.065 R)
• M11: 8,121,519 km (0.069 R)
• M12: 10,536,776 km (0.09 R)
• M13: 12,581,031 km (0.089 R)
• M14: 15,394,518 km (0.087 R)
• M15: 15,990,516 km (0.112 R)
• M16: 17,017,955 km (0.1 R)
• M17: 18,678,192 km (0.089 R)
• M18: 19,895,320 km (0.096 R)
• M19: 20,365,057 km (0.11 R)
• M20: 25,023,685 km (0.101 R)
• M21: 27,454,949 km (0.115 R)
• M22: 29,429,641 km (0.065 R)
• M23: 29,937,675 km (0.089 R)
• M24: 30,971,397 km (0.054 R)
• M25: 33,881,524 km (0.095 R)
• M26: 34,552,171 km (0.059 R)
• M27: 36,734,356 km (0.077 R)
• M28: 38,642,028 km (0.076 R)
• M29: 40,115,567 km (0.098 R)
• M30: 40,614,924 km (0.038 R)
• M31: 42,009,625 km (0.118 R)
• M32: 43,567,388 km (0.026 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 190 - 16,608 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit