🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.7

Radius: 11.9

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.67 AU - 0.87 AU

Year: 458 Days

Day: 6.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 90,770,724 km

• M1: 148,102 km (0.105 R)
• M2: 597,195 km (0.08 R)
• M3: 1,267,842 km (0.043 R)
• M4: 1,757,775 km (0.068 R)
• M5: 2,774,143 km (0.085 R)
• M6: 3,741,742 km (0.096 R)
• M7: 4,508,431 km (0.074 R)
• M8: 4,890,354 km (0.077 R)
• M9: 5,702,072 km (0.119 R)
• M10: 6,113,167 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645

Radius: 8.7

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.64 AU - 0.94 AU

Year: 476 Days

Day: 8.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 90,770,724 km

• M1: 108,159 km (0.091 R)
• M2: 438,322 km (0.03 R)
• M3: 826,079 km (0.054 R)
• M4: 1,145,022 km (0.117 R)
• M5: 1,457,831 km (0.027 R)
• M6: 1,828,086 km (0.079 R)
• M7: 2,170,516 km (0.091 R)
• M8: 2,565,753 km (0.03 R)
• M9: 2,986,123 km (0.064 R)
• M10: 3,331,096 km (0.114 R)
• M11: 4,738,812 km (0.111 R)
• M12: 5,340,644 km (0.085 R)
• M13: 5,711,946 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.5

Radius: 12.5

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.71 AU - 1.05 AU

Year: 560 Days

Day: 7.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 90,770,724 km

• M1: 157,078 km (0.111 R)
• M2: 697,276 km (0.05 R)
• M3: 1,608,776 km (0.097 R)
• M4: 2,540,621 km (0.09 R)
• M5: 3,791,109 km (0.065 R)
• M6: 4,976,224 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.7

Radius: 11.5

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.75 AU - 5.13 AU

Year: 6345 Days

Day: 13.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,770,724 km

• M1: 143,913 km (0.057 R)
• M2: 514,317 km (0.044 R)
• M3: 1,259,165 km (0.114 R)
• M4: 2,056,672 km (0.076 R)
• M5: 2,726,720 km (0.059 R)
• M6: 3,216,205 km (0.113 R)
• M7: 4,545,980 km (0.098 R)
• M8: 5,918,840 km (0.109 R)
• M9: 8,387,653 km (0.09 R)
• M10: 8,828,668 km (0.076 R)
• M11: 10,908,228 km (0.064 R)
• M12: 13,114,647 km (0.067 R)
• M13: 14,660,292 km (0.092 R)
• M14: 15,603,507 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.7

Radius: 8.3

Gravity: 12.96 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.46 AU - 5.52 AU

Year: 8725 Days

Day: 5.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 90,770,724 km

• M1: 103,671 km (0.1 R)
• M2: 683,662 km (0.091 R)
• M3: 1,021,454 km (0.114 R)
• M4: 1,456,634 km (0.097 R)
• M5: 1,771,089 km (0.106 R)
• M6: 2,130,872 km (0.112 R)
• M7: 2,598,665 km (0.081 R)
• M8: 3,087,999 km (0.1 R)
• M9: 4,084,022 km (0.101 R)
• M10: 5,312,968 km (0.097 R)
• M11: 5,784,202 km (0.116 R)
• M12: 6,430,913 km (0.065 R)
• M13: 7,531,355 km (0.079 R)
• M14: 8,435,525 km (0.101 R)
• M15: 10,824,453 km (0.096 R)
• M16: 12,317,141 km (0.094 R)
• M17: 15,435,359 km (0.098 R)
• M18: 17,248,335 km (0.053 R)
• M19: 19,121,301 km (0.095 R)
• M20: 22,136,147 km (0.091 R)
• M21: 23,801,021 km (0.114 R)
• M22: 24,987,183 km (0.099 R)
• M23: 26,597,305 km (0.117 R)
• M24: 28,275,344 km (0.11 R)
• M25: 29,191,631 km (0.09 R)
• M26: 32,499,838 km (0.073 R)
• M27: 33,505,136 km (0.103 R)
• M28: 44,588,543 km (0.057 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 450.8

Radius: 4.4

Gravity: 23.29 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.48 AU - 6.56 AU

Year: 10018 Days

Day: 24.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 90,770,724 km

• M1: 54,753 km (0.093 R)
• M2: 238,609 km (0.064 R)
• M3: 429,944 km (0.056 R)
• M4: 631,004 km (0.096 R)
• M5: 839,394 km (0.075 R)
• M6: 1,284,747 km (0.056 R)
• M7: 1,872,965 km (0.069 R)
• M8: 2,098,559 km (0.101 R)
• M9: 2,489,757 km (0.096 R)
• M10: 2,742,877 km (0.118 R)
• M11: 2,906,986 km (0.057 R)
• M12: 3,187,631 km (0.049 R)
• M13: 3,462,592 km (0.075 R)
• M14: 3,703,594 km (0.049 R)
• M15: 4,781,447 km (0.1 R)
• M16: 5,455,685 km (0.119 R)
• M17: 6,018,472 km (0.107 R)
• M18: 6,729,211 km (0.06 R)
• M19: 7,856,731 km (0.072 R)
• M20: 8,358,183 km (0.103 R)
• M21: 8,573,304 km (0.106 R)
• M22: 8,748,035 km (0.114 R)
• M23: 9,424,516 km (0.081 R)
• M24: 12,481,250 km (0.077 R)
• M25: 14,170,957 km (0.107 R)
• M26: 14,353,916 km (0.096 R)
• M27: 14,662,536 km (0.096 R)
• M28: 22,872,766 km (0.119 R)
• M29: 29,246,384 km (0.093 R)
• M30: 34,350,214 km (0.114 R)
• M31: 37,517,500 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 186

Radius: 5.8

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.35 AU - 9.11 AU

Year: 14577 Days

Day: 16 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 90,770,724 km

• M1: 76,744 km (0.071 R)
• M2: 278,402 km (0.11 R)
• M3: 462,557 km (0.07 R)
• M4: 994,227 km (0.06 R)
• M5: 1,213,388 km (0.116 R)
• M6: 1,426,864 km (0.041 R)
• M7: 2,009,099 km (0.1 R)
• M8: 5,324,787 km (0.025 R)
• M9: 5,672,751 km (0.083 R)
• M10: 6,240,176 km (0.03 R)
• M11: 8,046,570 km (0.058 R)
• M12: 11,471,614 km (0.069 R)
• M13: 12,052,053 km (0.111 R)
• M14: 12,541,388 km (0.069 R)
• M15: 13,157,133 km (0.104 R)
• M16: 16,278,343 km (0.093 R)
• M17: 17,078,542 km (0.071 R)
• M18: 20,237,450 km (0.087 R)
• M19: 20,542,480 km (0.03 R)
• M20: 24,019,434 km (0.099 R)
• M21: 25,762,549 km (0.106 R)
• M22: 26,939,585 km (0.087 R)
• M23: 30,585,584 km (0.054 R)
• M24: 31,088,532 km (0.08 R)
• M25: 31,597,015 km (0.047 R)
• M26: 38,720,716 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 984.4

Radius: 7.3

Gravity: 18.47 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 7.85 AU - 12.33 AU

Year: 21738 Days

Day: 19.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 90,770,724 km

• M1: 90,806 km (0.109 R)
• M2: 350,358 km (0.091 R)
• M3: 752,926 km (0.072 R)
• M4: 1,282,652 km (0.028 R)
• M5: 1,855,911 km (0.053 R)
• M6: 3,530,510 km (0.1 R)
• M7: 9,385,770 km (0.12 R)
• M8: 10,629,078 km (0.094 R)
• M9: 15,342,907 km (0.114 R)
• M10: 18,152,056 km (0.099 R)
• M11: 18,809,389 km (0.09 R)
• M12: 20,071,995 km (0.064 R)
• M13: 21,081,033 km (0.098 R)
• M14: 21,390,102 km (0.118 R)
• M15: 36,243,824 km (0.115 R)
• M16: 39,583,597 km (0.12 R)
• M17: 40,687,928 km (0.115 R)
• M18: 41,812,605 km (0.119 R)
• M19: 42,957,777 km (0.048 R)
• M20: 47,571,375 km (0.052 R)
• M21: 51,566,536 km (0.092 R)
• M22: 56,173,552 km (0.029 R)
• M23: 57,969,773 km (0.09 R)
• M24: 58,983,897 km (0.117 R)
• M25: 62,097,478 km (0.033 R)
• M26: 65,756,791 km (0.101 R)
• M27: 66,638,072 km (0.076 R)
• M28: 68,199,575 km (0.068 R)
• M29: 84,656,687 km (0.066 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 16,924 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit