🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665

Radius: 9.1

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.14 AU - 1.26 AU

Year: 862 Days

Day: 13.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,562,318 km

• M1: 113,096 km (0.102 R)
• M2: 502,200 km (0.093 R)
• M3: 941,419 km (0.095 R)
• M4: 1,711,549 km (0.117 R)
• M5: 2,089,733 km (0.063 R)
• M6: 2,412,266 km (0.09 R)
• M7: 2,743,924 km (0.078 R)
• M8: 3,171,924 km (0.052 R)
• M9: 3,791,259 km (0.103 R)
• M10: 4,573,656 km (0.104 R)
• M11: 4,886,764 km (0.074 R)
• M12: 5,214,234 km (0.106 R)
• M13: 5,872,913 km (0.066 R)
• M14: 6,629,729 km (0.078 R)
• M15: 7,308,754 km (0.09 R)
• M16: 7,641,160 km (0.071 R)
• M17: 8,413,384 km (0.091 R)
• M18: 9,046,183 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904

Radius: 12.3

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.01 AU - 1.65 AU

Year: 1006 Days

Day: 14.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 89,562,318 km

• M1: 153,039 km (0.067 R)
• M2: 621,878 km (0.107 R)
• M3: 1,045,091 km (0.116 R)
• M4: 1,513,930 km (0.044 R)
• M5: 2,625,592 km (0.068 R)
• M6: 3,039,679 km (0.053 R)
• M7: 3,696,863 km (0.085 R)
• M8: 4,626,763 km (0.086 R)
• M9: 5,176,685 km (0.117 R)
• M10: 5,791,083 km (0.101 R)
• M11: 6,522,766 km (0.078 R)
• M12: 7,215,853 km (0.047 R)
• M13: 7,644,451 km (0.083 R)
• M14: 8,692,833 km (0.12 R)
• M15: 9,237,070 km (0.075 R)
• M16: 10,049,686 km (0.059 R)
• M17: 10,489,503 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.6

Radius: 13.8

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.23 AU - 1.95 AU

Year: 1315 Days

Day: 5.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 89,562,318 km

• M1: 172,786 km (0.118 R)
• M2: 664,963 km (0.085 R)
• M3: 1,603,689 km (0.094 R)
• M4: 2,758,136 km (0.052 R)
• M5: 3,486,079 km (0.112 R)
• M6: 3,969,280 km (0.079 R)
• M7: 4,622,873 km (0.089 R)
• M8: 5,208,549 km (0.076 R)
• M9: 6,833,032 km (0.097 R)
• M10: 8,359,080 km (0.09 R)
• M11: 8,802,040 km (0.116 R)
• M12: 9,675,093 km (0.093 R)
• M13: 10,163,979 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.4

Radius: 8.3

Gravity: 14.36 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.41 AU - 2.19 AU

Year: 1584 Days

Day: 13.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 89,562,318 km

• M1: 104,120 km (0.096 R)
• M2: 434,582 km (0.096 R)
• M3: 974,929 km (0.048 R)
• M4: 1,270,834 km (0.09 R)
• M5: 1,627,326 km (0.039 R)
• M6: 2,571,139 km (0.087 R)
• M7: 2,976,100 km (0.09 R)
• M8: 3,507,472 km (0.066 R)
• M9: 4,312,757 km (0.068 R)
• M10: 4,572,758 km (0.115 R)
• M11: 4,864,624 km (0.105 R)
• M12: 5,191,196 km (0.117 R)
• M13: 6,134,111 km (0.076 R)
• M14: 7,382,805 km (0.117 R)
• M15: 7,992,416 km (0.056 R)
• M16: 8,856,792 km (0.06 R)
• M17: 9,114,849 km (0.081 R)
• M18: 11,101,957 km (0.075 R)
• M19: 12,256,105 km (0.109 R)
• M20: 13,110,309 km (0.11 R)
• M21: 15,395,715 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.6

Radius: 10.9

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.52 AU - 2.94 AU

Year: 2959 Days

Day: 9.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 89,562,318 km

• M1: 135,685 km (0.036 R)
• M2: 540,198 km (0.063 R)
• M3: 999,463 km (0.056 R)
• M4: 1,899,295 km (0.091 R)
• M5: 2,500,678 km (0.044 R)
• M6: 3,129,438 km (0.114 R)
• M7: 4,619,283 km (0.092 R)
• M8: 6,100,900 km (0.085 R)
• M9: 6,694,355 km (0.106 R)
• M10: 7,997,053 km (0.116 R)
• M11: 8,363,119 km (0.049 R)
• M12: 11,210,565 km (0.119 R)
• M13: 11,747,622 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.6

Radius: 15

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 3.03 AU - 3.07 AU

Year: 3494 Days

Day: 9.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,562,318 km

• M1: 186,549 km (0.095 R)
• M2: 685,457 km (0.086 R)
• M3: 1,287,140 km (0.115 R)
• M4: 1,976,487 km (0.074 R)
• M5: 2,645,339 km (0.099 R)
• M6: 3,294,145 km (0.1 R)
• M7: 4,558,995 km (0.087 R)
• M8: 5,498,320 km (0.098 R)
• M9: 6,014,732 km (0.05 R)
• M10: 6,653,066 km (0.092 R)
• M11: 7,498,294 km (0.114 R)
• M12: 9,479,568 km (0.1 R)
• M13: 10,509,849 km (0.106 R)
• M14: 11,482,235 km (0.072 R)
• M15: 13,028,927 km (0.065 R)
• M16: 17,268,232 km (0.12 R)
• M17: 20,882,516 km (0.092 R)
• M18: 24,101,563 km (0.027 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.1

Radius: 11.3

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.39 AU - 3.91 AU

Year: 3668 Days

Day: 11.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 89,562,318 km

• M1: 140,472 km (0.085 R)
• M2: 545,583 km (0.109 R)
• M3: 1,237,773 km (0.063 R)
• M4: 1,682,078 km (0.089 R)
• M5: 3,032,648 km (0.105 R)
• M6: 3,716,909 km (0.118 R)
• M7: 4,096,289 km (0.094 R)
• M8: 4,479,559 km (0.087 R)
• M9: 4,933,588 km (0.062 R)
• M10: 5,987,804 km (0.06 R)
• M11: 6,625,690 km (0.107 R)
• M12: 10,635,212 km (0.057 R)
• M13: 11,035,685 km (0.076 R)
• M14: 15,208,568 km (0.059 R)
• M15: 17,812,170 km (0.069 R)
• M16: 18,263,806 km (0.071 R)
• M17: 20,637,774 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 993

Radius: 7.3

Gravity: 18.63 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 8.43 AU - 11.87 AU

Year: 21213 Days

Day: 23.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 89,562,318 km

• M1: 91,105 km (0.076 R)
• M2: 375,042 km (0.103 R)
• M3: 657,333 km (0.117 R)
• M4: 919,429 km (0.12 R)
• M5: 1,208,003 km (0.049 R)
• M6: 2,705,029 km (0.049 R)
• M7: 3,394,675 km (0.088 R)
• M8: 3,732,916 km (0.096 R)
• M9: 4,586,072 km (0.099 R)
• M10: 4,961,563 km (0.075 R)
• M11: 6,959,143 km (0.11 R)
• M12: 7,455,509 km (0.077 R)
• M13: 8,028,319 km (0.038 R)
• M14: 8,574,352 km (0.082 R)
• M15: 9,439,476 km (0.057 R)
• M16: 10,109,824 km (0.064 R)
• M17: 11,959,303 km (0.114 R)
• M18: 18,187,511 km (0.075 R)
• M19: 18,466,361 km (0.106 R)
• M20: 21,106,315 km (0.077 R)
• M21: 22,039,506 km (0.11 R)
• M22: 23,987,719 km (0.036 R)
• M23: 24,889,346 km (0.103 R)
• M24: 26,165,864 km (0.079 R)
• M25: 31,709,363 km (0.047 R)
• M26: 32,113,577 km (0.111 R)
• M27: 32,384,947 km (0.098 R)
• M28: 38,139,379 km (0.103 R)
• M29: 39,211,846 km (0.106 R)
• M30: 40,461,886 km (0.097 R)
• M31: 40,937,457 km (0.083 R)
• M32: 41,577,437 km (0.098 R)
• M33: 62,318,883 km (0.038 R)
• M34: 65,969,968 km (0.092 R)
• M35: 79,497,056 km (0.119 R)
• M36: 80,243,101 km (0.114 R)
• M37: 89,026,590 km (0.075 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 13,951 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit