🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.6

Radius: 9.8

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.5 AU - 0.56 AU

Year: 266 Days

Day: 13.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,722,088 km

• M1: 121,922 km (0.041 R)
• M2: 629,807 km (0.097 R)
• M3: 1,177,036 km (0.103 R)
• M4: 1,519,765 km (0.103 R)
• M5: 1,848,282 km (0.048 R)
• M6: 2,267,156 km (0.112 R)
• M7: 2,732,555 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.4

Radius: 11.4

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.76 AU - 1.26 AU

Year: 701 Days

Day: 14.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,722,088 km

• M1: 143,016 km (0.107 R)
• M2: 613,501 km (0.12 R)
• M3: 1,211,144 km (0.119 R)
• M4: 2,509,803 km (0.074 R)
• M5: 3,123,903 km (0.087 R)
• M6: 3,566,413 km (0.098 R)
• M7: 4,316,048 km (0.098 R)
• M8: 5,582,693 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.3

Radius: 10.4

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.97 AU - 1.13 AU

Year: 743 Days

Day: 11.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,722,088 km

• M1: 129,402 km (0.07 R)
• M2: 509,530 km (0.102 R)
• M3: 1,116,150 km (0.062 R)
• M4: 1,763,011 km (0.108 R)
• M5: 2,252,944 km (0.105 R)
• M6: 2,992,107 km (0.081 R)
• M7: 3,357,126 km (0.12 R)
• M8: 3,840,626 km (0.113 R)
• M9: 4,518,155 km (0.099 R)
• M10: 6,508,106 km (0.099 R)
• M11: 6,878,061 km (0.118 R)
• M12: 7,331,343 km (0.095 R)
• M13: 8,172,681 km (0.064 R)
• M14: 8,733,673 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.2

Radius: 14.5

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.46 AU - 1.48 AU

Year: 1230 Days

Day: 6.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,722,088 km

• M1: 180,415 km (0.047 R)
• M2: 740,958 km (0.054 R)
• M3: 1,629,869 km (0.043 R)
• M4: 2,110,826 km (0.106 R)
• M5: 2,740,483 km (0.114 R)
• M6: 3,218,449 km (0.116 R)
• M7: 4,345,818 km (0.076 R)
• M8: 6,367,484 km (0.038 R)
• M9: 7,112,182 km (0.104 R)
• M10: 8,110,000 km (0.099 R)
• M11: 11,382,004 km (0.084 R)
• M12: 11,849,647 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.5

Radius: 11.6

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.76 AU - 2.58 AU

Year: 2206 Days

Day: 6.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,722,088 km

• M1: 147,504 km (0.097 R)
• M2: 508,483 km (0.088 R)
• M3: 906,114 km (0.111 R)
• M4: 1,373,308 km (0.12 R)
• M5: 1,840,652 km (0.119 R)
• M6: 2,375,913 km (0.1 R)
• M7: 3,087,550 km (0.083 R)
• M8: 4,473,874 km (0.091 R)
• M9: 5,144,521 km (0.106 R)
• M10: 5,582,993 km (0.09 R)
• M11: 5,998,725 km (0.098 R)
• M12: 7,183,241 km (0.107 R)
• M13: 7,564,566 km (0.065 R)
• M14: 7,988,227 km (0.086 R)
• M15: 10,010,641 km (0.089 R)
• M16: 10,696,397 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.1

Radius: 10.1

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.92 AU - 3.94 AU

Year: 5378 Days

Day: 5.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,722,088 km

• M1: 125,662 km (0.102 R)
• M2: 796,758 km (0.096 R)
• M3: 2,859,862 km (0.097 R)
• M4: 3,265,422 km (0.068 R)
• M5: 4,040,040 km (0.113 R)
• M6: 5,471,841 km (0.113 R)
• M7: 11,609,543 km (0.097 R)
• M8: 12,281,088 km (0.109 R)
• M9: 13,788,436 km (0.106 R)
• M10: 15,603,806 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.5

Radius: 14.8

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.23 AU - 4.65 AU

Year: 5398 Days

Day: 10.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 138.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,722,088 km

• M1: 184,604 km (0.072 R)
• M2: 863,180 km (0.103 R)
• M3: 1,697,936 km (0.093 R)
• M4: 2,658,055 km (0.049 R)
• M5: 3,164,743 km (0.032 R)
• M6: 4,698,271 km (0.08 R)
• M7: 6,683,883 km (0.093 R)
• M8: 7,317,879 km (0.043 R)
• M9: 7,882,761 km (0.08 R)
• M10: 8,552,809 km (0.086 R)
• M11: 9,260,856 km (0.114 R)
• M12: 12,245,782 km (0.034 R)
• M13: 13,146,212 km (0.094 R)
• M14: 14,415,101 km (0.09 R)
• M15: 15,997,099 km (0.091 R)
• M16: 17,134,641 km (0.102 R)
• M17: 19,105,892 km (0.048 R)
• M18: 19,705,480 km (0.094 R)
• M19: 20,180,454 km (0.115 R)
• M20: 21,867,469 km (0.117 R)
• M21: 24,260,735 km (0.12 R)
• M22: 26,741,367 km (0.092 R)
• M23: 29,035,900 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.6

Radius: 8.9

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 4.4 AU - 4.9 AU

Year: 6921 Days

Day: 7.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,722,088 km

• M1: 110,852 km (0.05 R)
• M2: 414,984 km (0.061 R)
• M3: 1,114,654 km (0.047 R)
• M4: 1,965,267 km (0.104 R)
• M5: 2,949,771 km (0.111 R)
• M6: 4,598,190 km (0.1 R)
• M7: 6,753,147 km (0.112 R)
• M8: 7,219,593 km (0.112 R)
• M9: 8,254,063 km (0.092 R)
• M10: 9,182,317 km (0.099 R)
• M11: 9,965,313 km (0.112 R)
• M12: 14,344,042 km (0.028 R)
• M13: 15,397,361 km (0.108 R)
• M14: 15,971,966 km (0.119 R)
• M15: 18,671,609 km (0.119 R)
• M16: 21,948,102 km (0.095 R)
• M17: 22,382,833 km (0.083 R)
• M18: 22,749,647 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 283

Radius: 6.2

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 7.74 AU - 9.48 AU

Year: 17439 Days

Day: 18.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 51,722,088 km

• M1: 77,193 km (0.094 R)
• M2: 373,247 km (0.048 R)
• M3: 903,571 km (0.073 R)
• M4: 1,753,586 km (0.043 R)
• M5: 1,984,117 km (0.109 R)
• M6: 2,329,538 km (0.027 R)
• M7: 3,235,802 km (0.038 R)
• M8: 3,821,926 km (0.105 R)
• M9: 4,783,242 km (0.119 R)
• M10: 5,203,014 km (0.083 R)
• M11: 5,752,936 km (0.118 R)
• M12: 6,847,543 km (0.069 R)
• M13: 9,793,275 km (0.087 R)
• M14: 10,049,835 km (0.118 R)
• M15: 10,416,500 km (0.093 R)
• M16: 11,010,852 km (0.077 R)
• M17: 11,741,937 km (0.035 R)
• M18: 12,148,843 km (0.088 R)
• M19: 17,116,839 km (0.094 R)
• M20: 17,414,389 km (0.1 R)
• M21: 18,954,649 km (0.102 R)
• M22: 20,583,470 km (0.113 R)
• M23: 22,215,284 km (0.066 R)
• M24: 26,321,446 km (0.079 R)
• M25: 27,320,610 km (0.099 R)
• M26: 30,906,471 km (0.049 R)
• M27: 31,681,837 km (0.09 R)
• M28: 36,731,214 km (0.104 R)
• M29: 38,230,484 km (0.077 R)
• M30: 38,611,659 km (0.111 R)
• M31: 41,350,647 km (0.077 R)
• M32: 51,258,663 km (0.065 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 18,591 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit