🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.9

Radius: 9.4

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.75 AU - 1.17 AU

Year: 607 Days

Day: 14.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 15,360,031 km

• M1: 116,836 km (0.068 R)
• M2: 413,638 km (0.109 R)
• M3: 729,439 km (0.09 R)
• M4: 1,158,037 km (0.072 R)
• M5: 1,671,158 km (0.107 R)
• M6: 2,714,902 km (0.057 R)
• M7: 3,681,903 km (0.071 R)
• M8: 4,409,996 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.5

Radius: 9.1

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.9 AU - 1.12 AU

Year: 655 Days

Day: 7.3 Hours

Environment

Temp: -152 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 15,360,031 km

• M1: 113,694 km (0.109 R)
• M2: 405,709 km (0.049 R)
• M3: 808,726 km (0.108 R)
• M4: 1,340,696 km (0.071 R)
• M5: 1,666,819 km (0.063 R)
• M6: 2,395,062 km (0.031 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.1

Radius: 12.6

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.09 AU - 1.11 AU

Year: 745 Days

Day: 11.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 15,360,031 km

• M1: 156,629 km (0.045 R)
• M2: 576,700 km (0.061 R)
• M3: 1,088,474 km (0.095 R)
• M4: 1,896,303 km (0.074 R)
• M5: 2,578,918 km (0.081 R)
• M6: 2,984,029 km (0.03 R)
• M7: 3,742,939 km (0.109 R)
• M8: 4,182,457 km (0.068 R)
• M9: 4,761,551 km (0.096 R)
• M10: 5,410,207 km (0.068 R)
• M11: 5,921,533 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.5

Radius: 11.4

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.14 AU - 1.18 AU

Year: 807 Days

Day: 11.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 15,360,031 km

• M1: 141,819 km (0.078 R)
• M2: 626,665 km (0.099 R)
• M3: 1,071,420 km (0.117 R)
• M4: 1,500,616 km (0.101 R)
• M5: 1,917,246 km (0.106 R)
• M6: 2,649,977 km (0.117 R)
• M7: 3,038,632 km (0.107 R)
• M8: 3,519,739 km (0.096 R)
• M9: 4,266,382 km (0.045 R)
• M10: 5,080,194 km (0.106 R)
• M11: 5,722,717 km (0.099 R)
• M12: 7,305,014 km (0.097 R)
• M13: 7,813,198 km (0.1 R)
• M14: 8,444,052 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.8

Radius: 10.2

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.63 AU - 1.91 AU

Year: 1520 Days

Day: 8.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 15,360,031 km

• M1: 126,859 km (0.118 R)
• M2: 444,156 km (0.095 R)
• M3: 950,096 km (0.079 R)
• M4: 1,416,542 km (0.113 R)
• M5: 1,851,274 km (0.051 R)
• M6: 2,409,124 km (0.115 R)
• M7: 3,575,389 km (0.115 R)
• M8: 4,145,507 km (0.046 R)
• M9: 4,607,315 km (0.11 R)
• M10: 4,966,350 km (0.071 R)
• M11: 6,477,289 km (0.063 R)
• M12: 7,075,979 km (0.047 R)
• M13: 9,124,722 km (0.069 R)
• M14: 9,970,548 km (0.088 R)
• M15: 10,703,728 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.2

Radius: 14.1

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.75 AU - 5.21 AU

Year: 6123 Days

Day: 8.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 15,360,031 km

• M1: 180,714 km (0.114 R)
• M2: 757,713 km (0.098 R)
• M3: 1,413,101 km (0.066 R)
• M4: 2,795,087 km (0.077 R)
• M5: 4,124,712 km (0.065 R)
• M6: 4,778,904 km (0.058 R)
• M7: 5,562,348 km (0.034 R)
• M8: 6,262,765 km (0.094 R)
• M9: 7,840,724 km (0.112 R)
• M10: 9,274,470 km (0.071 R)
• M11: 11,668,036 km (0.05 R)
• M12: 12,391,491 km (0.109 R)
• M13: 13,588,723 km (0.045 R)
• M14: 14,506,805 km (0.088 R)
• M15: 15,404,841 km (0.094 R)
• M16: 16,466,986 km (0.071 R)
• M17: 17,377,887 km (0.105 R)
• M18: 18,947,019 km (0.038 R)
• M19: 19,874,676 km (0.108 R)
• M20: 21,820,794 km (0.099 R)
• M21: 23,321,261 km (0.108 R)
• M22: 24,220,942 km (0.07 R)
• M23: 27,869,784 km (0.115 R)
• M24: 31,178,440 km (0.107 R)
• M25: 31,770,848 km (0.039 R)
• M26: 33,490,176 km (0.106 R)
• M27: 34,740,665 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.4

Radius: 11.4

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.37 AU - 6.53 AU

Year: 8215 Days

Day: 10.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 15,360,031 km

• M1: 149,897 km (0.095 R)
• M2: 536,458 km (0.071 R)
• M3: 1,594,265 km (0.064 R)
• M4: 6,769,603 km (0.093 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 200 - 10,460 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit