🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.6

Radius: 14.1

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.52 AU - 0.78 AU

Year: 355 Days

Day: 7.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 6,526,858 km

• M1: 175,478 km (0.057 R)
• M2: 763,099 km (0.117 R)
• M3: 1,261,708 km (0.106 R)
• M4: 2,505,016 km (0.068 R)
• M5: 3,336,182 km (0.12 R)
• M6: 4,068,464 km (0.118 R)
• M7: 4,535,658 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.5

Radius: 12.6

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.76 AU - 0.98 AU

Year: 550 Days

Day: 9.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 6,526,858 km

• M1: 156,779 km (0.109 R)
• M2: 694,284 km (0.074 R)
• M3: 1,151,754 km (0.086 R)
• M4: 1,733,690 km (0.113 R)
• M5: 2,202,081 km (0.112 R)
• M6: 3,139,760 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.5

Radius: 11.3

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.82 AU - 1.14 AU

Year: 658 Days

Day: 9.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 6,526,858 km

• M1: 140,622 km (0.076 R)
• M2: 513,869 km (0.088 R)
• M3: 872,754 km (0.083 R)
• M4: 2,340,907 km (0.096 R)
• M5: 2,961,290 km (0.112 R)
• M6: 3,394,824 km (0.093 R)
• M7: 3,812,951 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.9

Radius: 14.2

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.06 AU - 1.32 AU

Year: 880 Days

Day: 10.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 6,526,858 km

• M1: 177,573 km (0.055 R)
• M2: 843,283 km (0.118 R)
• M3: 1,303,745 km (0.113 R)
• M4: 2,061,608 km (0.105 R)
• M5: 2,531,794 km (0.075 R)
• M6: 3,178,656 km (0.043 R)
• M7: 3,812,951 km (0.096 R)
• M8: 4,314,702 km (0.103 R)
• M9: 5,686,365 km (0.072 R)
• M10: 6,603,998 km (0.084 R)
• M11: 7,191,469 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.6

Radius: 8.8

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.06 AU - 1.46 AU

Year: 959 Days

Day: 14.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 6,526,858 km

• M1: 109,506 km (0.113 R)
• M2: 848,519 km (0.116 R)
• M3: 1,123,929 km (0.098 R)
• M4: 1,421,629 km (0.103 R)
• M5: 1,781,561 km (0.076 R)
• M6: 2,545,109 km (0.099 R)
• M7: 2,860,311 km (0.048 R)
• M8: 3,396,620 km (0.106 R)
• M9: 4,078,487 km (0.112 R)
• M10: 4,884,969 km (0.027 R)
• M11: 5,258,814 km (0.03 R)
• M12: 5,814,271 km (0.102 R)
• M13: 6,474,446 km (0.118 R)
• M14: 7,136,267 km (0.095 R)
• M15: 7,423,046 km (0.104 R)
• M16: 8,435,226 km (0.081 R)
• M17: 9,196,529 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.2

Radius: 8.5

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.96 AU - 1.98 AU

Year: 1875 Days

Day: 9.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 6,526,858 km

• M1: 105,766 km (0.077 R)
• M2: 378,333 km (0.049 R)
• M3: 686,205 km (0.067 R)
• M4: 1,156,691 km (0.083 R)
• M5: 1,618,649 km (0.1 R)
• M6: 3,613,836 km (0.058 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.9

Radius: 12.3

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.59 AU - 2.53 AU

Year: 2005 Days

Day: 12.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 6,526,858 km

• M1: 153,039 km (0.108 R)
• M2: 725,550 km (0.065 R)
• M3: 1,191,547 km (0.057 R)
• M4: 1,592,619 km (0.097 R)
• M5: 2,109,330 km (0.106 R)
• M6: 2,867,642 km (0.106 R)
• M7: 3,891,041 km (0.029 R)
• M8: 4,692,436 km (0.112 R)
• M9: 5,577,308 km (0.114 R)
• M10: 6,414,308 km (0.116 R)
• M11: 7,973,267 km (0.113 R)
• M12: 8,587,067 km (0.047 R)
• M13: 9,331,766 km (0.059 R)
• M14: 10,692,657 km (0.035 R)
• M15: 11,325,606 km (0.045 R)
• M16: 12,301,583 km (0.116 R)
• M17: 14,465,815 km (0.104 R)
• M18: 15,101,905 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.2

Radius: 13.2

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.28 AU - 2.58 AU

Year: 2569 Days

Day: 8.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 6,526,858 km

• M1: 164,258 km (0.099 R)
• M2: 649,105 km (0.05 R)
• M3: 1,287,589 km (0.117 R)
• M4: 2,568,895 km (0.043 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: 243 - 20,092 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit