🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.7

Radius: 14.2

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.71 AU - 1.03 AU

Year: 516 Days

Day: 11.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,451,941 km

• M1: 176,525 km (0.107 R)
• M2: 619,036 km (0.079 R)
• M3: 1,124,826 km (0.107 R)
• M4: 1,754,783 km (0.112 R)
• M5: 2,237,386 km (0.026 R)
• M6: 3,072,291 km (0.088 R)
• M7: 3,530,659 km (0.118 R)
• M8: 4,923,565 km (0.1 R)
• M9: 6,378,404 km (0.102 R)
• M10: 7,216,601 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.8

Radius: 13.5

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.13 AU - 1.43 AU

Year: 921 Days

Day: 11.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,451,941 km

• M1: 168,298 km (0.098 R)
• M2: 708,047 km (0.08 R)
• M3: 1,735,485 km (0.055 R)
• M4: 2,252,495 km (0.108 R)
• M5: 3,236,101 km (0.071 R)
• M6: 3,941,605 km (0.087 R)
• M7: 4,425,404 km (0.071 R)
• M8: 5,243,555 km (0.095 R)
• M9: 6,502,571 km (0.118 R)
• M10: 6,964,379 km (0.078 R)
• M11: 7,652,380 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.4

Radius: 11.6

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.42 AU - 1.56 AU

Year: 1156 Days

Day: 5.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,451,941 km

• M1: 145,110 km (0.059 R)
• M2: 569,519 km (0.112 R)
• M3: 937,081 km (0.081 R)
• M4: 1,405,921 km (0.075 R)
• M5: 1,836,314 km (0.108 R)
• M6: 2,308,146 km (0.11 R)
• M7: 3,068,103 km (0.059 R)
• M8: 3,657,369 km (0.108 R)
• M9: 7,252,954 km (0.112 R)
• M10: 10,237,431 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.4

Radius: 11.7

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.87 AU - 3.03 AU

Year: 3222 Days

Day: 8 Hours

Environment

Temp: -208 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,451,941 km

• M1: 146,157 km (0.069 R)
• M2: 518,057 km (0.115 R)
• M3: 986,897 km (0.117 R)
• M4: 1,741,170 km (0.106 R)
• M5: 2,260,873 km (0.106 R)
• M6: 2,766,065 km (0.09 R)
• M7: 4,112,595 km (0.112 R)
• M8: 5,883,385 km (0.085 R)
• M9: 6,633,319 km (0.116 R)
• M10: 7,031,698 km (0.099 R)
• M11: 7,709,077 km (0.094 R)
• M12: 8,254,063 km (0.057 R)
• M13: 8,679,519 km (0.107 R)
• M14: 9,194,285 km (0.097 R)
• M15: 9,574,563 km (0.093 R)
• M16: 11,073,534 km (0.113 R)
• M17: 13,583,038 km (0.081 R)
• M18: 15,048,499 km (0.114 R)
• M19: 15,417,557 km (0.098 R)
• M20: 15,955,361 km (0.099 R)
• M21: 18,652,012 km (0.089 R)
• M22: 19,386,388 km (0.082 R)
• M23: 20,978,409 km (0.067 R)
• M24: 21,572,462 km (0.066 R)
• M25: 22,932,456 km (0.089 R)
• M26: 23,704,381 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.7

Radius: 15

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.6 AU - 3.54 AU

Year: 3420 Days

Day: 13.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,451,941 km

• M1: 186,549 km (0.073 R)
• M2: 936,183 km (0.111 R)
• M3: 1,684,622 km (0.104 R)
• M4: 2,390,873 km (0.093 R)
• M5: 2,882,003 km (0.109 R)
• M6: 3,538,139 km (0.116 R)
• M7: 4,116,185 km (0.098 R)
• M8: 5,816,216 km (0.059 R)
• M9: 6,964,529 km (0.07 R)
• M10: 7,642,955 km (0.097 R)
• M11: 8,259,149 km (0.045 R)
• M12: 9,245,896 km (0.061 R)
• M13: 10,147,224 km (0.06 R)
• M14: 11,235,997 km (0.086 R)
• M15: 12,171,283 km (0.094 R)
• M16: 13,061,540 km (0.061 R)
• M17: 13,894,501 km (0.108 R)
• M18: 15,130,628 km (0.088 R)
• M19: 19,720,141 km (0.108 R)
• M20: 20,231,466 km (0.041 R)
• M21: 20,817,142 km (0.118 R)
• M22: 24,645,800 km (0.104 R)

Asteroid Belt

Center: 3.6 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.6

Radius: 9.6

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.87 AU - 4.37 AU

Year: 5317 Days

Day: 7.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 53,451,941 km

• M1: 119,379 km (0.101 R)
• M2: 450,439 km (0.109 R)
• M3: 1,123,330 km (0.086 R)
• M4: 1,690,007 km (0.071 R)
• M5: 1,988,904 km (0.086 R)
• M6: 3,759,544 km (0.1 R)
• M7: 4,226,738 km (0.119 R)
• M8: 5,624,581 km (0.048 R)
• M9: 6,205,320 km (0.107 R)
• M10: 7,029,604 km (0.112 R)
• M11: 7,776,995 km (0.064 R)
• M12: 9,598,499 km (0.104 R)
• M13: 10,472,898 km (0.103 R)
• M14: 11,785,171 km (0.101 R)
• M15: 12,329,707 km (0.092 R)
• M16: 12,839,088 km (0.109 R)
• M17: 13,203,957 km (0.104 R)
• M18: 13,791,278 km (0.098 R)
• M19: 15,482,033 km (0.078 R)
• M20: 17,055,504 km (0.1 R)
• M21: 17,496,668 km (0.053 R)
• M22: 18,467,857 km (0.074 R)
• M23: 20,588,407 km (0.05 R)
• M24: 21,523,992 km (0.069 R)
• M25: 22,866,184 km (0.115 R)
• M26: 23,635,416 km (0.115 R)
• M27: 25,225,642 km (0.1 R)
• M28: 25,798,602 km (0.037 R)
• M29: 27,397,952 km (0.058 R)
• M30: 29,062,229 km (0.114 R)
• M31: 30,147,412 km (0.066 R)
• M32: 31,447,417 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 500.9

Radius: 6.8

Gravity: 10.83 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 6.46 AU - 9.08 AU

Year: 13771 Days

Day: 17 Hours

Environment

Temp: -226 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,451,941 km

• M1: 84,523 km (0.095 R)
• M2: 401,072 km (0.081 R)
• M3: 614,997 km (0.045 R)
• M4: 1,111,811 km (0.111 R)
• M5: 1,386,174 km (0.087 R)
• M6: 2,055,176 km (0.047 R)
• M7: 2,616,168 km (0.092 R)
• M8: 3,603,514 km (0.105 R)
• M9: 4,268,775 km (0.068 R)
• M10: 4,980,113 km (0.114 R)
• M11: 5,381,484 km (0.04 R)
• M12: 5,660,783 km (0.079 R)
• M13: 11,669,681 km (0.113 R)
• M14: 13,684,764 km (0.094 R)
• M15: 16,063,670 km (0.051 R)
• M16: 21,102,425 km (0.038 R)
• M17: 32,513,003 km (0.072 R)
• M18: 32,743,234 km (0.103 R)
• M19: 32,974,662 km (0.085 R)
• M20: 37,327,810 km (0.083 R)
• M21: 40,433,462 km (0.104 R)
• M22: 43,011,033 km (0.118 R)
• M23: 53,291,997 km (0.111 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 17,753 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit