🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746

Radius: 10.1

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.5 AU - 0.52 AU

Year: 243 Days

Day: 8.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,196,780 km

• M1: 126,709 km (0.086 R)
• M2: 464,950 km (0.102 R)
• M3: 837,449 km (0.099 R)
• M4: 1,162,226 km (0.076 R)
• M5: 1,518,867 km (0.091 R)
• M6: 2,058,168 km (0.082 R)
• M7: 2,667,480 km (0.065 R)
• M8: 3,127,792 km (0.116 R)
• M9: 3,842,571 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.4

Radius: 12.2

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.6 AU - 0.66 AU

Year: 333 Days

Day: 13.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 79,196,780 km

• M1: 153,787 km (0.113 R)
• M2: 539,151 km (0.055 R)
• M3: 1,091,616 km (0.08 R)
• M4: 1,577,061 km (0.083 R)
• M5: 2,110,976 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.8

Radius: 12.2

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.65 AU - 1.93 AU

Year: 1597 Days

Day: 11.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,196,780 km

• M1: 151,692 km (0.079 R)
• M2: 746,942 km (0.099 R)
• M3: 1,319,902 km (0.11 R)
• M4: 1,718,431 km (0.109 R)
• M5: 2,780,875 km (0.052 R)
• M6: 3,555,343 km (0.111 R)
• M7: 4,170,789 km (0.114 R)
• M8: 4,913,542 km (0.086 R)
• M9: 5,936,642 km (0.077 R)
• M10: 7,600,918 km (0.053 R)
• M11: 8,237,607 km (0.103 R)
• M12: 8,709,887 km (0.115 R)
• M13: 9,557,359 km (0.111 R)
• M14: 10,587,640 km (0.118 R)
• M15: 11,484,479 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.9

Radius: 12.3

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.52 AU - 4.24 AU

Year: 5097 Days

Day: 10 Hours

Environment

Temp: -215 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,196,780 km

• M1: 163,062 km (0.068 R)
• M2: 620,382 km (0.075 R)
• M3: 1,017,565 km (0.098 R)
• M4: 1,508,994 km (0.074 R)
• M5: 2,616,766 km (0.044 R)
• M6: 3,802,927 km (0.049 R)
• M7: 4,477,464 km (0.098 R)
• M8: 5,077,651 km (0.095 R)
• M9: 6,090,578 km (0.03 R)
• M10: 6,697,347 km (0.114 R)
• M11: 7,096,773 km (0.086 R)
• M12: 8,091,450 km (0.094 R)
• M13: 9,737,774 km (0.086 R)
• M14: 11,185,732 km (0.051 R)
• M15: 12,611,250 km (0.058 R)
• M16: 13,853,511 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.1

Radius: 14.4

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.97 AU - 4.01 AU

Year: 5315 Days

Day: 14.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 158.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,196,780 km

• M1: 179,069 km (0.118 R)
• M2: 780,602 km (0.088 R)
• M3: 1,808,638 km (0.106 R)
• M4: 3,032,648 km (0.118 R)
• M5: 3,859,326 km (0.099 R)
• M6: 4,326,520 km (0.118 R)
• M7: 5,664,224 km (0.091 R)
• M8: 6,461,282 km (0.03 R)
• M9: 11,145,789 km (0.041 R)
• M10: 15,530,653 km (0.112 R)
• M11: 18,559,860 km (0.101 R)
• M12: 24,874,685 km (0.057 R)
• M13: 27,689,668 km (0.105 R)
• M14: 29,981,208 km (0.1 R)
• M15: 30,895,251 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.7

Radius: 12.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.73 AU - 5.09 AU

Year: 7255 Days

Day: 6.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,196,780 km

• M1: 153,039 km (0.105 R)
• M2: 771,626 km (0.04 R)
• M3: 2,074,922 km (0.08 R)
• M4: 2,507,111 km (0.083 R)
• M5: 3,251,061 km (0.084 R)
• M6: 4,181,111 km (0.068 R)
• M7: 5,651,359 km (0.099 R)
• M8: 8,646,757 km (0.073 R)
• M9: 10,017,522 km (0.095 R)
• M10: 11,309,898 km (0.115 R)
• M11: 12,384,609 km (0.081 R)
• M12: 12,994,520 km (0.044 R)
• M13: 14,684,826 km (0.119 R)
• M14: 15,529,007 km (0.115 R)
• M15: 16,742,395 km (0.086 R)
• M16: 20,761,940 km (0.112 R)
• M17: 21,893,200 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 823.3

Radius: 6.7

Gravity: 18.34 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.55 AU - 10.35 AU

Year: 19372 Days

Day: 15.6 Hours

Environment

Temp: -245 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 79,196,780 km

• M1: 83,326 km (0.118 R)
• M2: 697,425 km (0.083 R)
• M3: 1,045,839 km (0.074 R)
• M4: 1,572,274 km (0.048 R)
• M5: 1,857,557 km (0.039 R)
• M6: 2,305,902 km (0.104 R)
• M7: 2,799,126 km (0.071 R)
• M8: 3,303,869 km (0.045 R)
• M9: 3,622,812 km (0.113 R)
• M10: 5,108,767 km (0.112 R)
• M11: 5,696,986 km (0.112 R)
• M12: 6,868,637 km (0.087 R)
• M13: 8,192,727 km (0.081 R)
• M14: 9,164,814 km (0.08 R)
• M15: 9,505,449 km (0.065 R)
• M16: 11,465,929 km (0.102 R)
• M17: 13,389,907 km (0.032 R)
• M18: 14,504,411 km (0.112 R)
• M19: 15,840,919 km (0.091 R)
• M20: 16,084,913 km (0.107 R)
• M21: 17,689,649 km (0.071 R)
• M22: 19,398,057 km (0.072 R)
• M23: 21,510,379 km (0.074 R)
• M24: 22,417,091 km (0.04 R)
• M25: 23,665,336 km (0.119 R)
• M26: 26,299,455 km (0.112 R)
• M27: 30,607,575 km (0.091 R)
• M28: 31,240,823 km (0.102 R)
• M29: 32,142,000 km (0.046 R)
• M30: 32,664,695 km (0.12 R)
• M31: 33,861,478 km (0.102 R)
• M32: 37,482,494 km (0.071 R)
• M33: 40,589,343 km (0.094 R)
• M34: 41,971,927 km (0.036 R)
• M35: 68,773,582 km (0.11 R)
• M36: 70,516,248 km (0.076 R)
• M37: 74,316,632 km (0.074 R)
• M38: 75,689,791 km (0.162 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 18,462 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit