🌌 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: 621.9

Radius: 11.9

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.77 AU - 1.03 AU

Year: 579 Days

Day: 5 Hours

Environment

Temp: -176 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,585,600 km

• M1: 150,196 km (0.058 R)
• M2: 539,001 km (0.076 R)
• M3: 1,049,878 km (0.026 R)
• M4: 2,138,502 km (0.101 R)
• M5: 2,738,987 km (0.112 R)
• M6: 4,007,727 km (0.065 R)
• M7: 4,892,898 km (0.099 R)
• M8: 5,494,431 km (0.116 R)
• M9: 6,665,632 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.6

Radius: 11.1

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.97 AU - 1.27 AU

Year: 804 Days

Day: 12.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,585,600 km

• M1: 138,228 km (0.099 R)
• M2: 533,765 km (0.086 R)
• M3: 907,012 km (0.108 R)
• M4: 1,301,202 km (0.114 R)
• M5: 1,785,750 km (0.057 R)
• M6: 2,148,076 km (0.113 R)
• M7: 3,161,901 km (0.047 R)
• M8: 4,018,797 km (0.031 R)
• M9: 8,336,491 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.6

Radius: 14

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.46 AU - 1.78 AU

Year: 1399 Days

Day: 9.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,585,600 km

• M1: 174,132 km (0.062 R)
• M2: 611,706 km (0.072 R)
• M3: 1,416,093 km (0.091 R)
• M4: 1,924,128 km (0.069 R)
• M5: 2,753,199 km (0.102 R)
• M6: 3,274,249 km (0.111 R)
• M7: 4,813,311 km (0.08 R)
• M8: 5,356,053 km (0.079 R)
• M9: 6,033,133 km (0.09 R)
• M10: 8,442,257 km (0.1 R)
• M11: 9,552,871 km (0.12 R)
• M12: 10,076,913 km (0.104 R)
• M13: 11,876,575 km (0.097 R)
• M14: 13,149,952 km (0.116 R)
• M15: 14,132,062 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.8

Radius: 8.6

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.49 AU - 2.07 AU

Year: 1611 Days

Day: 5.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,585,600 km

• M1: 106,962 km (0.097 R)
• M2: 464,053 km (0.101 R)
• M3: 895,642 km (0.089 R)
• M4: 1,680,582 km (0.114 R)
• M5: 3,180,600 km (0.109 R)
• M6: 4,049,465 km (0.059 R)
• M7: 4,665,808 km (0.085 R)
• M8: 5,823,546 km (0.061 R)
• M9: 6,870,731 km (0.104 R)
• M10: 7,299,927 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.5

Radius: 11.6

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.6 AU - 2.06 AU

Year: 1679 Days

Day: 8.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,585,600 km

• M1: 144,362 km (0.093 R)
• M2: 514,617 km (0.081 R)
• M3: 875,297 km (0.116 R)
• M4: 1,689,409 km (0.044 R)
• M5: 2,543,762 km (0.105 R)
• M6: 3,170,128 km (0.116 R)
• M7: 4,025,230 km (0.119 R)
• M8: 4,899,480 km (0.064 R)
• M9: 5,359,344 km (0.096 R)
• M10: 7,523,277 km (0.042 R)
• M11: 9,266,840 km (0.051 R)
• M12: 9,801,353 km (0.06 R)
• M13: 10,180,733 km (0.093 R)
• M14: 11,643,651 km (0.101 R)
• M15: 14,578,612 km (0.074 R)
• M16: 15,164,886 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.9

Radius: 12.9

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.26 AU - 2.32 AU

Year: 2350 Days

Day: 10.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,585,600 km

• M1: 160,369 km (0.029 R)
• M2: 679,623 km (0.078 R)
• M3: 1,835,267 km (0.04 R)
• M4: 2,274,935 km (0.056 R)
• M5: 2,982,084 km (0.088 R)
• M6: 3,746,379 km (0.102 R)
• M7: 4,560,042 km (0.05 R)
• M8: 5,081,840 km (0.101 R)
• M9: 6,056,171 km (0.104 R)
• M10: 6,663,089 km (0.056 R)
• M11: 7,857,927 km (0.117 R)
• M12: 8,821,487 km (0.1 R)
• M13: 11,703,041 km (0.09 R)
• M14: 12,802,137 km (0.101 R)
• M15: 13,927,562 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.7

Radius: 10.5

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.41 AU - 3.95 AU

Year: 3846 Days

Day: 12.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,585,600 km

• M1: 130,599 km (0.034 R)
• M2: 532,419 km (0.097 R)
• M3: 994,975 km (0.038 R)
• M4: 1,637,947 km (0.112 R)
• M5: 1,973,196 km (0.087 R)
• M6: 2,415,557 km (0.041 R)
• M7: 2,923,442 km (0.065 R)
• M8: 4,335,496 km (0.111 R)
• M9: 4,762,897 km (0.072 R)
• M10: 5,166,213 km (0.11 R)
• M11: 6,187,069 km (0.036 R)
• M12: 6,606,691 km (0.05 R)
• M13: 6,981,433 km (0.112 R)
• M14: 8,121,070 km (0.066 R)
• M15: 9,419,430 km (0.097 R)
• M16: 9,935,393 km (0.101 R)
• M17: 10,470,056 km (0.103 R)
• M18: 11,642,005 km (0.099 R)
• M19: 12,097,531 km (0.1 R)
• M20: 14,872,123 km (0.096 R)
• M21: 16,350,598 km (0.113 R)
• M22: 18,045,393 km (0.093 R)
• M23: 18,842,001 km (0.106 R)
• M24: 19,983,433 km (0.107 R)
• M25: 21,576,202 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.6

Radius: 13.4

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.7 AU - 6.04 AU

Year: 7289 Days

Day: 12.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,585,600 km

• M1: 166,652 km (0.096 R)
• M2: 916,287 km (0.118 R)
• M3: 1,442,273 km (0.077 R)
• M4: 1,970,802 km (0.116 R)
• M5: 2,748,562 km (0.108 R)
• M6: 3,469,923 km (0.106 R)
• M7: 3,965,690 km (0.078 R)
• M8: 4,785,785 km (0.117 R)
• M9: 6,506,460 km (0.093 R)
• M10: 8,685,952 km (0.028 R)
• M11: 9,815,116 km (0.069 R)
• M12: 11,085,352 km (0.068 R)
• M13: 14,876,760 km (0.048 R)
• M14: 15,440,295 km (0.078 R)
• M15: 17,650,454 km (0.07 R)
• M16: 20,064,066 km (0.115 R)
• M17: 25,457,818 km (0.086 R)
• M18: 26,346,579 km (0.102 R)
• M19: 27,089,033 km (0.116 R)
• M20: 28,186,034 km (0.108 R)
• M21: 28,875,680 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 867.9

Radius: 7.3

Gravity: 16.29 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 6.21 AU - 8.45 AU

Year: 13460 Days

Day: 20.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 71,585,600 km

• M1: 92,003 km (0.093 R)
• M2: 465,249 km (0.092 R)
• M3: 1,375,403 km (0.084 R)
• M4: 2,045,601 km (0.087 R)
• M5: 3,135,871 km (0.103 R)
• M6: 4,669,099 km (0.111 R)
• M7: 4,903,519 km (0.099 R)
• M8: 6,156,700 km (0.101 R)
• M9: 7,205,232 km (0.074 R)
• M10: 8,968,692 km (0.077 R)
• M11: 9,813,620 km (0.045 R)
• M12: 10,481,425 km (0.109 R)
• M13: 12,410,041 km (0.07 R)
• M14: 14,351,821 km (0.113 R)
• M15: 15,431,768 km (0.099 R)
• M16: 16,720,105 km (0.113 R)
• M17: 17,996,773 km (0.119 R)
• M18: 20,031,604 km (0.114 R)
• M19: 22,976,737 km (0.111 R)
• M20: 25,366,413 km (0.101 R)
• M21: 27,917,057 km (0.112 R)
• M22: 30,867,725 km (0.079 R)
• M23: 31,220,926 km (0.054 R)
• M24: 32,661,254 km (0.096 R)
• M25: 35,159,240 km (0.07 R)
• M26: 38,593,259 km (0.109 R)
• M27: 42,389,305 km (0.11 R)
• M28: 45,966,190 km (0.098 R)
• M29: 46,426,951 km (0.034 R)
• M30: 55,430,499 km (0.092 R)
• M31: 57,360,760 km (0.083 R)
• M32: 58,612,147 km (0.089 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 401.5

Radius: 7.8

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 8.17 AU - 13.29 AU

Year: 23839 Days

Day: 23.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 71,585,600 km

• M1: 105,466 km (0.086 R)
• M2: 368,460 km (0.118 R)
• M3: 1,060,799 km (0.091 R)
• M4: 1,567,636 km (0.106 R)
• M5: 4,081,927 km (0.06 R)
• M6: 4,741,205 km (0.091 R)
• M7: 5,546,191 km (0.089 R)
• M8: 5,900,589 km (0.114 R)
• M9: 6,270,096 km (0.071 R)
• M10: 9,468,947 km (0.097 R)
• M11: 11,733,260 km (0.108 R)
• M12: 14,929,120 km (0.091 R)
• M13: 15,461,389 km (0.114 R)
• M14: 17,134,791 km (0.053 R)
• M15: 17,802,745 km (0.113 R)
• M16: 21,120,377 km (0.113 R)
• M17: 21,406,109 km (0.102 R)
• M18: 24,934,225 km (0.1 R)
• M19: 29,065,969 km (0.107 R)
• M20: 30,985,908 km (0.111 R)
• M21: 33,373,789 km (0.111 R)
• M22: 37,668,445 km (0.043 R)
• M23: 38,088,964 km (0.038 R)
• M24: 44,622,651 km (0.102 R)
• M25: 46,848,518 km (0.119 R)
• M26: 48,317,868 km (0.099 R)
• M27: 49,817,737 km (0.044 R)
• M28: 52,386,033 km (0.1 R)
• M29: 54,503,291 km (0.075 R)
• M30: 55,946,013 km (0.094 R)
• M31: 60,426,918 km (0.109 R)
• M32: 61,972,115 km (0.099 R)
• M33: 70,306,511 km (0.12 R)
• M34: 70,731,220 km (0.094 R)
• M35: 71,157,574 km (0.059 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 10,630 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit