🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.4

Radius: 12.2

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.91 AU - 1.03 AU

Year: 627 Days

Day: 11.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,228,391 km

• M1: 151,842 km (0.081 R)
• M2: 540,497 km (0.06 R)
• M3: 960,119 km (0.113 R)
• M4: 1,907,822 km (0.116 R)
• M5: 2,315,925 km (0.117 R)
• M6: 3,027,412 km (0.072 R)
• M7: 3,656,322 km (0.104 R)
• M8: 4,187,693 km (0.117 R)
• M9: 4,721,010 km (0.073 R)
• M10: 5,228,894 km (0.058 R)
• M11: 5,698,332 km (0.067 R)
• M12: 6,275,032 km (0.071 R)
• M13: 6,848,142 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.1

Radius: 11.5

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.41 AU - 2.25 AU

Year: 1624 Days

Day: 8 Hours

Environment

Temp: -190 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,228,391 km

• M1: 143,016 km (0.117 R)
• M2: 515,065 km (0.053 R)
• M3: 902,823 km (0.117 R)
• M4: 1,282,951 km (0.113 R)
• M5: 1,653,356 km (0.1 R)
• M6: 2,213,600 km (0.051 R)
• M7: 2,783,717 km (0.086 R)
• M8: 3,196,159 km (0.093 R)
• M9: 3,700,453 km (0.114 R)
• M10: 4,201,007 km (0.081 R)
• M11: 5,165,016 km (0.059 R)
• M12: 7,527,466 km (0.113 R)
• M13: 8,575,249 km (0.092 R)
• M14: 9,553,470 km (0.12 R)
• M15: 9,917,890 km (0.104 R)
• M16: 10,780,920 km (0.109 R)
• M17: 12,381,468 km (0.076 R)
• M18: 13,839,000 km (0.115 R)
• M19: 14,478,830 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.9

Radius: 10.1

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.33 AU - 2.63 AU

Year: 2562 Days

Day: 13.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,228,391 km

• M1: 125,662 km (0.104 R)
• M2: 517,908 km (0.114 R)
• M3: 1,406,818 km (0.098 R)
• M4: 1,765,554 km (0.119 R)
• M5: 2,096,614 km (0.068 R)
• M6: 2,569,493 km (0.115 R)
• M7: 3,656,022 km (0.104 R)
• M8: 4,621,527 km (0.042 R)
• M9: 5,047,582 km (0.081 R)
• M10: 6,792,043 km (0.062 R)
• M11: 7,195,957 km (0.119 R)
• M12: 7,957,260 km (0.1 R)
• M13: 9,568,429 km (0.082 R)
• M14: 10,300,113 km (0.079 R)
• M15: 10,718,089 km (0.04 R)
• M16: 11,306,457 km (0.101 R)
• M17: 11,669,681 km (0.095 R)
• M18: 15,843,910 km (0.084 R)
• M19: 16,299,286 km (0.077 R)
• M20: 17,395,689 km (0.117 R)
• M21: 17,989,294 km (0.095 R)
• M22: 18,429,560 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.9

Radius: 9.8

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.04 AU - 5.14 AU

Year: 6451 Days

Day: 7.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,228,391 km

• M1: 124,316 km (0.03 R)
• M2: 449,691 km (0.118 R)
• M3: 832,662 km (0.102 R)
• M4: 1,158,336 km (0.04 R)
• M5: 1,771,688 km (0.055 R)
• M6: 2,241,126 km (0.083 R)
• M7: 3,658,566 km (0.118 R)
• M8: 4,207,590 km (0.116 R)
• M9: 4,740,757 km (0.117 R)
• M10: 5,318,503 km (0.102 R)
• M11: 6,216,689 km (0.071 R)
• M12: 6,585,597 km (0.047 R)
• M13: 7,181,895 km (0.102 R)
• M14: 7,813,796 km (0.12 R)
• M15: 8,210,530 km (0.062 R)
• M16: 8,760,302 km (0.069 R)
• M17: 9,518,913 km (0.091 R)
• M18: 10,597,663 km (0.101 R)
• M19: 11,166,733 km (0.098 R)
• M20: 17,972,239 km (0.076 R)
• M21: 20,535,599 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.2

Radius: 14.3

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.74 AU - 5.46 AU

Year: 6472 Days

Day: 6.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,228,391 km

• M1: 182,061 km (0.107 R)
• M2: 908,657 km (0.11 R)
• M3: 2,197,593 km (0.082 R)
• M4: 3,215,008 km (0.115 R)
• M5: 9,605,829 km (0.091 R)
• M6: 10,252,989 km (0.11 R)
• M7: 13,638,539 km (0.066 R)

Asteroid Belt

Center: 5.82 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 617.7

Radius: 7.7

Gravity: 10.42 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.65 AU - 8.43 AU

Year: 12254 Days

Day: 19.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 77,228,391 km

• M1: 107,262 km (0.098 R)
• M2: 399,277 km (0.092 R)
• M3: 644,168 km (0.084 R)
• M4: 1,058,704 km (0.11 R)
• M5: 1,454,690 km (0.117 R)
• M6: 1,912,908 km (0.11 R)
• M7: 2,565,454 km (0.094 R)
• M8: 3,235,652 km (0.089 R)
• M9: 3,664,400 km (0.041 R)
• M10: 4,333,701 km (0.052 R)
• M11: 6,060,060 km (0.112 R)
• M12: 6,792,043 km (0.107 R)
• M13: 7,076,129 km (0.095 R)
• M14: 9,642,780 km (0.108 R)
• M15: 12,169,637 km (0.085 R)
• M16: 13,268,434 km (0.12 R)
• M17: 16,447,538 km (0.104 R)
• M18: 17,333,756 km (0.062 R)
• M19: 17,788,832 km (0.117 R)
• M20: 20,183,894 km (0.109 R)
• M21: 20,857,085 km (0.117 R)
• M22: 21,545,385 km (0.111 R)
• M23: 21,894,995 km (0.109 R)
• M24: 27,400,944 km (0.083 R)
• M25: 28,750,467 km (0.104 R)
• M26: 31,693,805 km (0.116 R)
• M27: 32,032,644 km (0.094 R)
• M28: 37,035,496 km (0.117 R)
• M29: 44,624,297 km (0.039 R)
• M30: 47,514,976 km (0.026 R)
• M31: 50,990,733 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602.2

Radius: 5

Gravity: 24.09 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 8.51 AU - 12.17 AU

Year: 21812 Days

Day: 23.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 77,228,391 km

• M1: 64,028 km (0.107 R)
• M2: 227,838 km (0.038 R)
• M3: 756,666 km (0.058 R)
• M4: 1,183,170 km (0.092 R)
• M5: 1,983,369 km (0.081 R)
• M6: 2,886,042 km (0.055 R)
• M7: 3,121,958 km (0.116 R)
• M8: 3,485,481 km (0.056 R)
• M9: 4,002,641 km (0.112 R)
• M10: 4,263,091 km (0.103 R)
• M11: 4,710,388 km (0.103 R)
• M12: 6,283,410 km (0.094 R)
• M13: 6,908,130 km (0.11 R)
• M14: 7,427,235 km (0.075 R)
• M15: 10,178,340 km (0.1 R)
• M16: 10,358,755 km (0.109 R)
• M17: 11,164,639 km (0.093 R)
• M18: 13,613,855 km (0.102 R)
• M19: 14,655,804 km (0.104 R)
• M20: 17,750,236 km (0.118 R)
• M21: 18,364,186 km (0.118 R)
• M22: 19,820,371 km (0.103 R)
• M23: 20,576,589 km (0.032 R)
• M24: 21,351,954 km (0.115 R)
• M25: 23,374,966 km (0.079 R)
• M26: 33,802,686 km (0.115 R)
• M27: 38,981,615 km (0.102 R)
• M28: 39,571,330 km (0.118 R)
• M29: 48,293,035 km (0.063 R)
• M30: 53,913,726 km (0.101 R)
• M31: 55,013,869 km (0.089 R)
• M32: 55,383,974 km (0.105 R)
• M33: 58,982,551 km (0.106 R)
• M34: 67,484,048 km (0.06 R)
• M35: 76,535,916 km (0.104 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 160 - 12,115 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit