🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

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: 730.6

Radius: 9.8

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.55 AU - 0.63 AU

Year: 319 Days

Day: 12.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 76.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,498,882 km

• M1: 121,922 km (0.074 R)
• M2: 426,803 km (0.092 R)
• M3: 873,502 km (0.108 R)
• M4: 1,374,206 km (0.089 R)
• M5: 1,684,921 km (0.084 R)
• M6: 2,203,876 km (0.088 R)
• M7: 2,625,592 km (0.113 R)
• M8: 3,028,011 km (0.119 R)
• M9: 3,426,240 km (0.054 R)
• M10: 4,262,941 km (0.095 R)
• M11: 4,821,240 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.8

Radius: 15

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.85 AU - 0.95 AU

Year: 600 Days

Day: 13 Hours

Environment

Temp: -163 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,498,882 km

• M1: 188,045 km (0.063 R)
• M2: 737,368 km (0.115 R)
• M3: 1,300,604 km (0.056 R)
• M4: 2,307,248 km (0.112 R)
• M5: 2,795,685 km (0.087 R)
• M6: 3,306,412 km (0.086 R)
• M7: 4,122,319 km (0.116 R)
• M8: 4,789,077 km (0.062 R)
• M9: 5,560,852 km (0.042 R)
• M10: 6,284,756 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.3

Radius: 8.9

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.74 AU - 2.1 AU

Year: 1870 Days

Day: 6.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,498,882 km

• M1: 110,702 km (0.088 R)
• M2: 399,576 km (0.105 R)
• M3: 679,623 km (0.104 R)
• M4: 1,318,855 km (0.067 R)
• M5: 1,640,640 km (0.08 R)
• M6: 2,004,462 km (0.085 R)
• M7: 2,594,476 km (0.078 R)
• M8: 3,431,925 km (0.109 R)
• M9: 3,797,093 km (0.072 R)
• M10: 4,330,260 km (0.072 R)
• M11: 4,971,736 km (0.119 R)
• M12: 6,302,558 km (0.058 R)
• M13: 6,609,384 km (0.085 R)
• M14: 7,802,875 km (0.078 R)
• M15: 8,296,100 km (0.037 R)
• M16: 8,809,819 km (0.109 R)
• M17: 9,314,562 km (0.095 R)
• M18: 11,809,555 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.6

Radius: 13.2

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.21 AU - 2.23 AU

Year: 2325 Days

Day: 14.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,498,882 km

• M1: 164,258 km (0.094 R)
• M2: 816,206 km (0.115 R)
• M3: 1,442,273 km (0.087 R)
• M4: 2,153,312 km (0.087 R)
• M5: 2,846,847 km (0.117 R)
• M6: 4,417,476 km (0.086 R)
• M7: 5,472,739 km (0.077 R)
• M8: 6,796,530 km (0.1 R)
• M9: 7,606,154 km (0.103 R)
• M10: 9,185,010 km (0.101 R)
• M11: 10,972,705 km (0.098 R)
• M12: 11,811,649 km (0.063 R)
• M13: 12,286,922 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.8

Radius: 11.6

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.46 AU - 2.62 AU

Year: 2846 Days

Day: 5.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,498,882 km

• M1: 145,110 km (0.12 R)
• M2: 557,701 km (0.076 R)
• M3: 936,782 km (0.116 R)
• M4: 1,298,958 km (0.064 R)
• M5: 1,674,000 km (0.111 R)
• M6: 2,086,142 km (0.085 R)
• M7: 2,723,130 km (0.073 R)
• M8: 3,451,522 km (0.099 R)
• M9: 4,089,557 km (0.084 R)
• M10: 5,135,844 km (0.069 R)
• M11: 5,943,823 km (0.098 R)
• M12: 6,536,978 km (0.09 R)
• M13: 7,486,177 km (0.061 R)
• M14: 8,782,592 km (0.113 R)
• M15: 10,008,397 km (0.105 R)
• M16: 11,976,058 km (0.102 R)
• M17: 14,189,208 km (0.091 R)
• M18: 15,015,138 km (0.069 R)
• M19: 16,662,510 km (0.106 R)
• M20: 17,271,673 km (0.098 R)

Asteroid Belt

Center: 5.22 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 687.7

Radius: 3.2

Gravity: 67.16 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 7.71 AU - 8.07 AU

Year: 15578 Days

Day: 20.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 64,498,882 km

• M1: 40,092 km (0.03 R)
• M2: 140,472 km (0.094 R)
• M3: 329,415 km (0.058 R)
• M4: 783,893 km (0.119 R)
• M5: 1,336,956 km (0.104 R)
• M6: 1,547,740 km (0.068 R)
• M7: 1,997,431 km (0.113 R)
• M8: 2,686,778 km (0.11 R)
• M9: 3,123,005 km (0.025 R)
• M10: 4,781,447 km (0.116 R)
• M11: 5,643,729 km (0.034 R)
• M12: 6,151,764 km (0.09 R)
• M13: 6,396,207 km (0.096 R)
• M14: 8,000,943 km (0.045 R)
• M15: 9,474,183 km (0.107 R)
• M16: 10,822,808 km (0.084 R)
• M17: 13,211,138 km (0.096 R)
• M18: 13,963,016 km (0.072 R)
• M19: 15,626,246 km (0.093 R)
• M20: 16,311,553 km (0.099 R)
• M21: 17,096,194 km (0.109 R)
• M22: 17,741,859 km (0.103 R)
• M23: 19,513,696 km (0.051 R)
• M24: 21,585,626 km (0.066 R)
• M25: 28,672,227 km (0.058 R)
• M26: 33,291,061 km (0.115 R)
• M27: 36,630,834 km (0.107 R)
• M28: 41,758,600 km (0.114 R)
• M29: 50,233,319 km (0.08 R)
• M30: 50,725,945 km (0.068 R)
• M31: 53,407,786 km (0.105 R)
• M32: 62,964,248 km (0.051 R)
• M33: 63,920,477 km (0.118 R)
• M34: 64,498,823 km (0.083 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: 339 - 15,816 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit