🌌 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: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208

Radius: 15

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.7 AU - 1.1 AU

Year: 600 Days

Day: 5.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,278,497 km

• M1: 186,698 km (0.094 R)
• M2: 731,982 km (0.077 R)
• M3: 1,218,175 km (0.109 R)
• M4: 1,809,536 km (0.113 R)
• M5: 2,476,593 km (0.065 R)
• M6: 3,156,665 km (0.111 R)
• M7: 3,959,856 km (0.112 R)
• M8: 4,550,468 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417

Radius: 9.2

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.84 AU - 1.38 AU

Year: 822 Days

Day: 10.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,278,497 km

• M1: 114,442 km (0.105 R)
• M2: 430,543 km (0.071 R)
• M3: 750,084 km (0.119 R)
• M4: 1,147,864 km (0.044 R)
• M5: 1,515,576 km (0.09 R)
• M6: 1,823,299 km (0.08 R)
• M7: 2,462,082 km (0.115 R)
• M8: 3,622,662 km (0.098 R)
• M9: 4,487,487 km (0.08 R)
• M10: 5,797,067 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.7

Radius: 14.8

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.95 AU - 1.31 AU

Year: 844 Days

Day: 9 Hours

Environment

Temp: -174 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,278,497 km

• M1: 184,005 km (0.115 R)
• M2: 646,712 km (0.057 R)
• M3: 1,141,881 km (0.104 R)
• M4: 1,613,862 km (0.069 R)
• M5: 2,375,614 km (0.058 R)
• M6: 3,649,590 km (0.077 R)
• M7: 4,406,405 km (0.057 R)
• M8: 4,902,322 km (0.104 R)
• M9: 5,435,639 km (0.107 R)
• M10: 6,319,313 km (0.111 R)
• M11: 8,373,142 km (0.069 R)
• M12: 8,896,137 km (0.11 R)
• M13: 9,441,122 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.6

Radius: 11.4

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.04 AU - 1.4 AU

Year: 947 Days

Day: 14 Hours

Environment

Temp: -185 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,278,497 km

• M1: 141,819 km (0.075 R)
• M2: 530,624 km (0.118 R)
• M3: 951,742 km (0.051 R)
• M4: 1,476,531 km (0.103 R)
• M5: 1,911,113 km (0.066 R)
• M6: 2,303,059 km (0.062 R)
• M7: 2,832,636 km (0.071 R)
• M8: 3,332,891 km (0.108 R)
• M9: 4,028,970 km (0.106 R)
• M10: 4,511,722 km (0.102 R)
• M11: 5,750,243 km (0.04 R)
• M12: 6,113,317 km (0.117 R)
• M13: 6,491,650 km (0.103 R)
• M14: 7,203,137 km (0.118 R)
• M15: 7,601,816 km (0.092 R)
• M16: 8,392,590 km (0.104 R)
• M17: 9,047,829 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.8

Radius: 14.9

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.41 AU - 1.53 AU

Year: 1253 Days

Day: 11.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,278,497 km

• M1: 185,352 km (0.1 R)
• M2: 727,794 km (0.061 R)
• M3: 1,455,438 km (0.114 R)
• M4: 1,990,100 km (0.088 R)
• M5: 3,360,267 km (0.119 R)
• M6: 4,060,086 km (0.119 R)
• M7: 4,799,548 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.2

Radius: 11.8

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.65 AU - 1.69 AU

Year: 1517 Days

Day: 6.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,278,497 km

• M1: 146,756 km (0.083 R)
• M2: 556,654 km (0.118 R)
• M3: 926,011 km (0.091 R)
• M4: 1,327,083 km (0.109 R)
• M5: 2,104,094 km (0.116 R)
• M6: 2,655,213 km (0.111 R)
• M7: 3,119,265 km (0.12 R)
• M8: 3,703,744 km (0.113 R)
• M9: 4,193,827 km (0.061 R)
• M10: 5,544,396 km (0.083 R)
• M11: 5,952,499 km (0.116 R)
• M12: 6,577,370 km (0.064 R)
• M13: 7,379,214 km (0.112 R)
• M14: 8,332,452 km (0.11 R)
• M15: 9,208,796 km (0.078 R)
• M16: 9,979,674 km (0.113 R)
• M17: 13,178,525 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.7

Radius: 13.1

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.51 AU - 2.21 AU

Year: 1783 Days

Day: 7 Hours

Environment

Temp: -194 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,278,497 km

• M1: 163,062 km (0.11 R)
• M2: 571,464 km (0.096 R)
• M3: 988,094 km (0.092 R)
• M4: 1,431,203 km (0.041 R)
• M5: 2,111,275 km (0.117 R)
• M6: 5,853,166 km (0.079 R)
• M7: 6,999,684 km (0.03 R)
• M8: 7,882,013 km (0.094 R)
• M9: 9,603,136 km (0.09 R)
• M10: 11,712,167 km (0.08 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.2

Radius: 14.5

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.58 AU - 3.96 AU

Year: 4157 Days

Day: 8.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,278,497 km

• M1: 180,265 km (0.057 R)
• M2: 2,690,817 km (0.12 R)
• M3: 3,473,214 km (0.082 R)
• M4: 4,499,006 km (0.094 R)
• M5: 9,822,746 km (0.026 R)
• M6: 10,360,101 km (0.079 R)
• M7: 11,421,049 km (0.054 R)
• M8: 14,262,063 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 460.1

Radius: 4.8

Gravity: 19.97 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 9.22 AU - 9.32 AU

Year: 19839 Days

Day: 15 Hours

Environment

Temp: -241 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 66,278,497 km

• M1: 59,690 km (0.074 R)
• M2: 315,951 km (0.109 R)
• M3: 597,494 km (0.114 R)
• M4: 774,468 km (0.062 R)
• M5: 1,223,561 km (0.067 R)
• M6: 1,406,968 km (0.032 R)
• M7: 1,576,462 km (0.093 R)
• M8: 2,169,169 km (0.105 R)
• M9: 2,353,922 km (0.084 R)
• M10: 2,549,148 km (0.107 R)
• M11: 2,778,930 km (0.033 R)
• M12: 3,721,995 km (0.083 R)
• M13: 3,927,542 km (0.107 R)
• M14: 4,203,102 km (0.097 R)
• M15: 4,524,139 km (0.069 R)
• M16: 4,965,752 km (0.113 R)
• M17: 5,324,487 km (0.096 R)
• M18: 5,855,709 km (0.112 R)
• M19: 6,093,869 km (0.066 R)
• M20: 8,091,150 km (0.087 R)
• M21: 10,086,487 km (0.074 R)
• M22: 10,428,916 km (0.07 R)
• M23: 11,688,830 km (0.116 R)
• M24: 12,066,564 km (0.105 R)
• M25: 13,181,368 km (0.111 R)
• M26: 15,462,735 km (0.116 R)
• M27: 32,708,078 km (0.099 R)
• M28: 34,346,624 km (0.119 R)
• M29: 36,838,476 km (0.109 R)
• M30: 39,028,140 km (0.075 R)
• M31: 39,448,211 km (0.098 R)
• M32: 40,582,910 km (0.108 R)
• M33: 48,817,525 km (0.097 R)
• M34: 57,554,190 km (0.11 R)
• M35: 58,098,278 km (0.119 R)
• M36: 60,870,476 km (0.106 R)
• M37: 64,506,602 km (0.031 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 238 - 10,433 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit