🌌 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: 720.9

Radius: 9.5

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.65 AU - 0.75 AU

Year: 404 Days

Day: 8.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,789,850 km

• M1: 118,482 km (0.073 R)
• M2: 421,866 km (0.095 R)
• M3: 724,802 km (0.073 R)
• M4: 1,111,213 km (0.113 R)
• M5: 1,471,744 km (0.1 R)
• M6: 1,772,286 km (0.112 R)
• M7: 2,208,813 km (0.102 R)
• M8: 2,567,847 km (0.107 R)
• M9: 4,204,897 km (0.113 R)
• M10: 4,819,894 km (0.088 R)
• M11: 5,172,795 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.4

Radius: 10.9

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.98 AU - 1.54 AU

Year: 976 Days

Day: 5.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,789,850 km

• M1: 135,536 km (0.03 R)
• M2: 540,048 km (0.086 R)
• M3: 954,584 km (0.117 R)
• M4: 1,434,943 km (0.074 R)
• M5: 2,290,044 km (0.117 R)
• M6: 3,021,279 km (0.072 R)
• M7: 3,629,992 km (0.119 R)
• M8: 4,171,088 km (0.112 R)
• M9: 4,520,997 km (0.103 R)
• M10: 6,800,719 km (0.119 R)
• M11: 7,264,024 km (0.086 R)
• M12: 7,649,687 km (0.091 R)
• M13: 8,700,911 km (0.118 R)
• M14: 9,729,995 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.8

Radius: 14.8

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.05 AU - 2.93 AU

Year: 2712 Days

Day: 13.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,789,850 km

• M1: 184,005 km (0.119 R)
• M2: 654,640 km (0.09 R)
• M3: 1,157,888 km (0.087 R)
• M4: 2,468,066 km (0.098 R)
• M5: 3,120,911 km (0.116 R)
• M6: 4,198,614 km (0.031 R)
• M7: 5,435,190 km (0.107 R)
• M8: 7,778,192 km (0.047 R)
• M9: 11,863,261 km (0.044 R)
• M10: 12,525,830 km (0.119 R)
• M11: 21,928,056 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.2

Radius: 10.2

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.61 AU - 4.13 AU

Year: 4270 Days

Day: 10.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,789,850 km

• M1: 126,859 km (0.1 R)
• M2: 559,646 km (0.117 R)
• M3: 1,095,954 km (0.036 R)
• M4: 1,700,629 km (0.108 R)
• M5: 2,613,924 km (0.113 R)
• M6: 3,571,948 km (0.107 R)
• M7: 4,111,997 km (0.084 R)
• M8: 4,515,612 km (0.103 R)
• M9: 7,001,928 km (0.086 R)
• M10: 7,849,550 km (0.116 R)
• M11: 9,061,741 km (0.12 R)
• M12: 9,747,947 km (0.054 R)
• M13: 10,431,460 km (0.112 R)
• M14: 11,340,117 km (0.094 R)
• M15: 11,934,320 km (0.105 R)
• M16: 12,259,695 km (0.11 R)
• M17: 13,664,868 km (0.09 R)
• M18: 14,567,093 km (0.077 R)
• M19: 15,080,064 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 360.1

Radius: 5.3

Gravity: 12.82 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 6.74 AU - 7.86 AU

Year: 13614 Days

Day: 24.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,789,850 km

• M1: 68,965 km (0.095 R)
• M2: 283,039 km (0.101 R)
• M3: 451,337 km (0.114 R)
• M4: 1,620,893 km (0.057 R)
• M5: 1,834,070 km (0.1 R)
• M6: 2,188,916 km (0.105 R)
• M7: 3,865,160 km (0.087 R)
• M8: 5,997,678 km (0.082 R)
• M9: 6,547,749 km (0.119 R)
• M10: 7,875,281 km (0.085 R)
• M11: 8,399,621 km (0.084 R)
• M12: 10,678,894 km (0.109 R)
• M13: 15,452,562 km (0.047 R)
• M14: 15,722,886 km (0.093 R)
• M15: 23,730,112 km (0.075 R)
• M16: 24,453,567 km (0.095 R)
• M17: 27,297,572 km (0.046 R)
• M18: 40,880,311 km (0.091 R)
• M19: 41,788,220 km (0.112 R)
• M20: 47,377,646 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 748.6

Radius: 7.2

Gravity: 14.44 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 7.86 AU - 8.7 AU

Year: 16446 Days

Day: 20.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 68,789,850 km

• M1: 89,609 km (0.11 R)
• M2: 355,445 km (0.083 R)
• M3: 639,082 km (0.109 R)
• M4: 1,039,256 km (0.106 R)
• M5: 1,646,624 km (0.11 R)
• M6: 2,019,571 km (0.075 R)
• M7: 2,649,229 km (0.104 R)
• M8: 2,910,576 km (0.049 R)
• M9: 3,919,165 km (0.091 R)
• M10: 4,420,767 km (0.073 R)
• M11: 4,653,242 km (0.077 R)
• M12: 4,999,710 km (0.106 R)
• M13: 6,225,515 km (0.082 R)
• M14: 8,221,600 km (0.117 R)
• M15: 8,574,501 km (0.08 R)
• M16: 9,638,292 km (0.065 R)
• M17: 13,082,035 km (0.109 R)
• M18: 13,633,004 km (0.047 R)
• M19: 19,306,802 km (0.099 R)
• M20: 19,572,488 km (0.091 R)
• M21: 28,841,273 km (0.107 R)
• M22: 29,538,698 km (0.087 R)
• M23: 30,128,413 km (0.113 R)
• M24: 33,322,327 km (0.089 R)
• M25: 35,000,965 km (0.108 R)
• M26: 36,195,504 km (0.093 R)
• M27: 38,665,814 km (0.078 R)
• M28: 40,229,560 km (0.093 R)
• M29: 42,131,398 km (0.092 R)
• M30: 43,179,929 km (0.103 R)
• M31: 43,786,848 km (0.111 R)
• M32: 55,706,358 km (0.107 R)
• M33: 67,560,642 km (0.039 R)
• M34: 68,378,494 km (0.086 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 11,723 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit