🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.3

Radius: 14.3

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.7 AU - 1.08 AU

Year: 590 Days

Day: 9.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,355,980 km

• M1: 177,872 km (0.063 R)
• M2: 652,995 km (0.108 R)
• M3: 1,214,585 km (0.07 R)
• M4: 1,765,404 km (0.114 R)
• M5: 2,301,713 km (0.09 R)
• M6: 3,029,656 km (0.115 R)
• M7: 5,526,744 km (0.119 R)
• M8: 6,589,936 km (0.06 R)
• M9: 7,246,820 km (0.098 R)
• M10: 7,716,557 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.8

Radius: 12.3

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.49 AU - 1.75 AU

Year: 1449 Days

Day: 7.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,355,980 km

• M1: 153,188 km (0.103 R)
• M2: 574,157 km (0.099 R)
• M3: 1,030,131 km (0.07 R)
• M4: 1,638,695 km (0.106 R)
• M5: 2,166,776 km (0.073 R)
• M6: 2,820,967 km (0.053 R)
• M7: 3,426,539 km (0.082 R)
• M8: 4,117,532 km (0.044 R)
• M9: 4,506,187 km (0.115 R)
• M10: 7,222,884 km (0.117 R)
• M11: 8,101,173 km (0.115 R)
• M12: 10,745,765 km (0.079 R)
• M13: 11,201,141 km (0.088 R)
• M14: 11,706,033 km (0.082 R)
• M15: 12,113,388 km (0.078 R)
• M16: 12,606,912 km (0.086 R)
• M17: 12,995,567 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.9

Radius: 9.8

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.69 AU - 2.15 AU

Year: 1870 Days

Day: 7.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,355,980 km

• M1: 121,922 km (0.114 R)
• M2: 436,078 km (0.082 R)
• M3: 964,009 km (0.108 R)
• M4: 1,283,101 km (0.117 R)
• M5: 1,664,576 km (0.093 R)
• M6: 1,981,573 km (0.052 R)
• M7: 2,447,421 km (0.096 R)
• M8: 2,901,750 km (0.09 R)
• M9: 3,260,186 km (0.096 R)
• M10: 4,032,261 km (0.068 R)
• M11: 4,630,503 km (0.111 R)
• M12: 4,961,264 km (0.066 R)
• M13: 5,328,676 km (0.114 R)
• M14: 5,958,932 km (0.096 R)
• M15: 6,541,466 km (0.118 R)
• M16: 6,884,045 km (0.092 R)
• M17: 7,394,174 km (0.11 R)
• M18: 9,534,919 km (0.111 R)
• M19: 10,496,983 km (0.074 R)
• M20: 10,831,634 km (0.093 R)
• M21: 11,242,579 km (0.115 R)

Asteroid Belt

Center: 3.01 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.6

Radius: 9

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.39 AU - 4.81 AU

Year: 5836 Days

Day: 8.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 105.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,355,980 km

• M1: 112,647 km (0.117 R)
• M2: 437,873 km (0.106 R)
• M3: 909,705 km (0.101 R)
• M4: 1,449,155 km (0.096 R)
• M5: 2,090,032 km (0.1 R)
• M6: 3,051,647 km (0.101 R)
• M7: 3,352,339 km (0.077 R)
• M8: 5,244,303 km (0.12 R)
• M9: 6,164,479 km (0.059 R)
• M10: 7,452,966 km (0.114 R)
• M11: 8,036,846 km (0.117 R)
• M12: 9,102,731 km (0.064 R)
• M13: 9,689,753 km (0.083 R)
• M14: 11,201,739 km (0.049 R)
• M15: 14,423,778 km (0.093 R)
• M16: 17,197,472 km (0.102 R)
• M17: 18,834,222 km (0.025 R)
• M18: 21,582,784 km (0.1 R)
• M19: 21,996,123 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 784.2

Radius: 7.3

Gravity: 14.72 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.16 AU - 6.48 AU

Year: 11168 Days

Day: 18.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,355,980 km

• M1: 94,247 km (0.051 R)
• M2: 555,008 km (0.074 R)
• M3: 817,253 km (0.09 R)
• M4: 1,823,598 km (0.104 R)
• M5: 2,171,563 km (0.097 R)
• M6: 2,604,798 km (0.043 R)
• M7: 2,932,417 km (0.058 R)
• M8: 3,336,631 km (0.114 R)
• M9: 4,227,337 km (0.116 R)
• M10: 9,252,927 km (0.116 R)
• M11: 10,934,108 km (0.088 R)
• M12: 12,201,801 km (0.094 R)
• M13: 14,349,278 km (0.112 R)
• M14: 14,685,125 km (0.089 R)
• M15: 15,723,933 km (0.061 R)
• M16: 16,370,196 km (0.063 R)
• M17: 17,108,910 km (0.116 R)
• M18: 19,870,038 km (0.042 R)
• M19: 21,574,257 km (0.082 R)
• M20: 21,926,410 km (0.095 R)
• M21: 22,823,698 km (0.068 R)
• M22: 24,309,804 km (0.078 R)
• M23: 29,801,392 km (0.11 R)
• M24: 31,125,034 km (0.055 R)
• M25: 32,143,047 km (0.069 R)
• M26: 35,208,607 km (0.06 R)
• M27: 43,854,616 km (0.078 R)
• M28: 44,847,048 km (0.101 R)
• M29: 46,144,959 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 695.8

Radius: 3.9

Gravity: 45.75 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 7.63 AU - 7.81 AU

Year: 15078 Days

Day: 19.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,355,980 km

• M1: 48,619 km (0.106 R)
• M2: 266,434 km (0.115 R)
• M3: 489,634 km (0.115 R)
• M4: 643,271 km (0.079 R)
• M5: 1,898,247 km (0.104 R)
• M6: 2,262,069 km (0.105 R)
• M7: 2,716,548 km (0.072 R)
• M8: 3,333,789 km (0.045 R)
• M9: 5,627,274 km (0.058 R)
• M10: 6,496,288 km (0.115 R)
• M11: 7,049,800 km (0.083 R)
• M12: 9,742,861 km (0.085 R)
• M13: 12,021,236 km (0.085 R)
• M14: 15,063,608 km (0.11 R)
• M15: 16,029,561 km (0.111 R)
• M16: 19,692,166 km (0.09 R)
• M17: 22,611,269 km (0.12 R)
• M18: 35,726,066 km (0.096 R)
• M19: 48,386,982 km (0.107 R)
• M20: 58,545,276 km (0.05 R)
• M21: 59,633,002 km (0.045 R)
• M22: 60,918,946 km (0.074 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 13,174 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit