🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.8

Radius: 9.9

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.98 AU - 0.98 AU

Year: 682 Days

Day: 11.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,344,791 km

• M1: 123,269 km (0.09 R)
• M2: 478,264 km (0.114 R)
• M3: 902,823 km (0.062 R)
• M4: 1,223,112 km (0.06 R)
• M5: 1,953,898 km (0.072 R)
• M6: 2,401,943 km (0.117 R)
• M7: 3,402,753 km (0.108 R)
• M8: 3,719,153 km (0.106 R)
• M9: 4,113,044 km (0.08 R)
• M10: 4,519,352 km (0.093 R)
• M11: 5,002,104 km (0.111 R)
• M12: 5,608,275 km (0.117 R)
• M13: 5,976,435 km (0.114 R)
• M14: 6,380,050 km (0.115 R)
• M15: 6,761,076 km (0.063 R)
• M16: 7,135,968 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.1

Radius: 12.3

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.15 AU - 3.21 AU

Year: 3986 Days

Day: 6.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,344,791 km

• M1: 153,787 km (0.111 R)
• M2: 656,435 km (0.095 R)
• M3: 4,680,020 km (0.038 R)
• M4: 7,292,747 km (0.046 R)
• M5: 8,304,028 km (0.105 R)
• M6: 9,130,556 km (0.111 R)
• M7: 10,267,799 km (0.111 R)
• M8: 10,832,382 km (0.108 R)
• M9: 11,778,888 km (0.119 R)
• M10: 17,888,165 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.6

Radius: 14.2

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.15 AU - 5.05 AU

Year: 6935 Days

Day: 6 Hours

Environment

Temp: -227 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,344,791 km

• M1: 176,525 km (0.089 R)
• M2: 810,820 km (0.097 R)
• M3: 1,300,005 km (0.112 R)
• M4: 1,782,309 km (0.106 R)
• M5: 2,417,502 km (0.105 R)
• M6: 3,643,157 km (0.102 R)
• M7: 4,752,575 km (0.108 R)
• M8: 5,277,065 km (0.087 R)
• M9: 6,412,214 km (0.085 R)
• M10: 7,054,587 km (0.052 R)
• M11: 10,022,160 km (0.118 R)
• M12: 11,618,219 km (0.063 R)
• M13: 13,584,235 km (0.027 R)
• M14: 14,975,644 km (0.049 R)
• M15: 21,573,210 km (0.093 R)
• M16: 24,373,532 km (0.081 R)
• M17: 24,914,628 km (0.116 R)
• M18: 27,077,364 km (0.054 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.2

Radius: 3.8

Gravity: 23.7 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.66 AU - 6.24 AU

Year: 8943 Days

Day: 16.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 32,344,791 km

• M1: 47,722 km (0.078 R)
• M2: 217,366 km (0.097 R)
• M3: 346,618 km (0.097 R)
• M4: 695,929 km (0.113 R)
• M5: 854,802 km (0.066 R)
• M6: 1,235,379 km (0.044 R)
• M7: 1,520,363 km (0.091 R)
• M8: 1,678,488 km (0.095 R)
• M9: 2,187,270 km (0.107 R)
• M10: 2,622,301 km (0.115 R)
• M11: 2,870,035 km (0.058 R)
• M12: 3,546,666 km (0.093 R)
• M13: 3,849,752 km (0.096 R)
• M14: 4,454,426 km (0.12 R)
• M15: 5,237,122 km (0.096 R)
• M16: 5,355,903 km (0.083 R)
• M17: 7,251,607 km (0.096 R)
• M18: 8,490,876 km (0.114 R)
• M19: 8,654,985 km (0.118 R)
• M20: 9,552,123 km (0.086 R)
• M21: 10,229,802 km (0.118 R)
• M22: 12,244,436 km (0.115 R)
• M23: 14,684,826 km (0.071 R)
• M24: 16,018,342 km (0.102 R)
• M25: 16,522,636 km (0.066 R)
• M26: 19,063,406 km (0.102 R)
• M27: 22,084,086 km (0.077 R)
• M28: 23,264,414 km (0.103 R)
• M29: 27,771,199 km (0.107 R)
• M30: 28,224,181 km (0.075 R)
• M31: 28,406,840 km (0.081 R)
• M32: 31,143,434 km (0.119 R)
• M33: 33,231,222 km (0.119 R)
• M34: 33,844,424 km (0.12 R)
• M35: 35,199,033 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 498.8

Radius: 3.7

Gravity: 36.44 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 6.2 AU - 7.74 AU

Year: 12935 Days

Day: 18 Hours

Environment

Temp: -225 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 32,344,791 km

• M1: 46,974 km (0.044 R)
• M2: 171,888 km (0.092 R)
• M3: 288,574 km (0.08 R)
• M4: 575,952 km (0.093 R)
• M5: 1,098,198 km (0.097 R)
• M6: 1,217,577 km (0.105 R)
• M7: 1,440,927 km (0.096 R)
• M8: 1,599,500 km (0.115 R)
• M9: 2,183,082 km (0.087 R)
• M10: 2,636,812 km (0.074 R)
• M11: 3,174,317 km (0.059 R)
• M12: 3,295,043 km (0.119 R)
• M13: 3,835,390 km (0.075 R)
• M14: 4,169,592 km (0.045 R)
• M15: 4,675,831 km (0.087 R)
• M16: 5,493,084 km (0.081 R)
• M17: 8,280,242 km (0.117 R)
• M18: 10,181,182 km (0.103 R)
• M19: 17,216,471 km (0.069 R)
• M20: 18,507,501 km (0.095 R)
• M21: 18,978,135 km (0.064 R)
• M22: 21,280,596 km (0.1 R)
• M23: 23,034,631 km (0.104 R)
• M24: 24,132,081 km (0.041 R)
• M25: 32,692,520 km (0.09 R)
• M26: 33,495,262 km (0.087 R)
• M27: 34,901,782 km (0.104 R)
• M28: 35,139,941 km (0.116 R)
• M29: 36,469,418 km (0.108 R)
• M30: 36,961,146 km (0.111 R)
• M31: 37,332,747 km (0.11 R)
• M32: 39,485,760 km (0.108 R)
• M33: 41,586,562 km (0.089 R)
• M34: 50,887,511 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 78.4

Radius: 6.1

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 7.2 AU - 9.12 AU

Year: 16385 Days

Day: 24.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,344,791 km

• M1: 89,011 km (0.103 R)
• M2: 315,203 km (0.092 R)
• M3: 1,818,661 km (0.068 R)
• M4: 2,605,845 km (0.1 R)
• M5: 8,937,725 km (0.088 R)
• M6: 9,912,056 km (0.069 R)
• M7: 10,222,172 km (0.097 R)
• M8: 14,129,668 km (0.058 R)
• M9: 15,038,476 km (0.063 R)
• M10: 16,228,527 km (0.047 R)
• M11: 22,141,233 km (0.116 R)
• M12: 22,519,117 km (0.091 R)
• M13: 29,254,462 km (0.061 R)
• M14: 29,892,647 km (0.098 R)
• M15: 32,344,855 km (0.115 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 467 - 19,866 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit