🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.8

Radius: 14.6

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.83 AU - 1.21 AU

Year: 665 Days

Day: 10.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,821,611 km

• M1: 181,612 km (0.109 R)
• M2: 899,382 km (0.102 R)
• M3: 1,528,591 km (0.104 R)
• M4: 2,010,296 km (0.086 R)
• M5: 2,738,688 km (0.101 R)
• M6: 3,281,130 km (0.092 R)
• M7: 3,820,879 km (0.08 R)
• M8: 4,406,106 km (0.031 R)
• M9: 4,946,603 km (0.064 R)
• M10: 5,404,373 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762

Radius: 8.3

Gravity: 11.06 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.82 AU - 2.46 AU

Year: 2021 Days

Day: 13.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,821,611 km

• M1: 103,971 km (0.086 R)
• M2: 362,625 km (0.106 R)
• M3: 714,180 km (0.096 R)
• M4: 1,143,227 km (0.055 R)
• M5: 2,280,021 km (0.11 R)
• M6: 2,563,509 km (0.089 R)
• M7: 3,489,819 km (0.105 R)
• M8: 4,539,547 km (0.115 R)
• M9: 4,881,229 km (0.098 R)
• M10: 5,239,965 km (0.08 R)
• M11: 5,544,247 km (0.043 R)
• M12: 6,475,942 km (0.114 R)
• M13: 6,799,373 km (0.077 R)
• M14: 7,133,724 km (0.063 R)
• M15: 8,743,397 km (0.118 R)
• M16: 9,685,265 km (0.094 R)
• M17: 10,252,989 km (0.119 R)
• M18: 10,805,155 km (0.112 R)
• M19: 11,184,086 km (0.086 R)
• M20: 11,928,635 km (0.092 R)
• M21: 12,622,470 km (0.08 R)
• M22: 13,472,934 km (0.112 R)
• M23: 14,045,894 km (0.118 R)
• M24: 14,727,013 km (0.038 R)
• M25: 16,401,761 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.7

Radius: 9.1

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.8 AU - 3.88 AU

Year: 4859 Days

Day: 7.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,821,611 km

• M1: 113,246 km (0.081 R)
• M2: 511,026 km (0.078 R)
• M3: 936,183 km (0.108 R)
• M4: 1,510,789 km (0.06 R)
• M5: 1,820,307 km (0.056 R)
• M6: 2,304,854 km (0.03 R)
• M7: 2,786,859 km (0.104 R)
• M8: 3,295,940 km (0.081 R)
• M9: 3,613,985 km (0.113 R)
• M10: 4,693,783 km (0.06 R)
• M11: 5,497,423 km (0.105 R)
• M12: 7,112,332 km (0.06 R)
• M13: 8,135,132 km (0.082 R)
• M14: 8,496,860 km (0.096 R)
• M15: 8,983,352 km (0.096 R)
• M16: 10,639,999 km (0.104 R)
• M17: 11,205,479 km (0.102 R)
• M18: 13,974,984 km (0.088 R)
• M19: 15,189,719 km (0.116 R)
• M20: 16,131,737 km (0.078 R)
• M21: 19,768,910 km (0.05 R)
• M22: 21,708,596 km (0.116 R)
• M23: 22,476,482 km (0.066 R)
• M24: 24,363,360 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.3

Radius: 13.5

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.52 AU - 4.78 AU

Year: 6474 Days

Day: 13.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,821,611 km

• M1: 167,998 km (0.112 R)
• M2: 603,777 km (0.085 R)
• M3: 1,023,549 km (0.107 R)
• M4: 1,929,364 km (0.111 R)
• M5: 3,297,137 km (0.106 R)
• M6: 3,866,806 km (0.05 R)
• M7: 4,691,838 km (0.105 R)
• M8: 5,324,936 km (0.105 R)
• M9: 6,347,138 km (0.067 R)
• M10: 7,765,326 km (0.073 R)
• M11: 11,121,255 km (0.104 R)
• M12: 11,676,413 km (0.082 R)
• M13: 13,285,039 km (0.092 R)
• M14: 14,377,702 km (0.064 R)
• M15: 14,855,218 km (0.105 R)
• M16: 16,223,590 km (0.103 R)
• M17: 16,741,498 km (0.107 R)
• M18: 18,292,229 km (0.063 R)
• M19: 23,028,498 km (0.054 R)
• M20: 24,773,407 km (0.089 R)
• M21: 26,515,774 km (0.04 R)
• M22: 27,783,167 km (0.095 R)
• M23: 31,827,845 km (0.117 R)
• M24: 33,466,988 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.1

Radius: 9.3

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.82 AU - 6.42 AU

Year: 8602 Days

Day: 11.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 51,821,611 km

• M1: 115,639 km (0.093 R)
• M2: 435,180 km (0.054 R)
• M3: 784,790 km (0.112 R)
• M4: 1,183,319 km (0.086 R)
• M5: 1,492,837 km (0.112 R)
• M6: 1,856,809 km (0.064 R)
• M7: 2,148,225 km (0.112 R)
• M8: 2,923,741 km (0.086 R)
• M9: 3,387,345 km (0.116 R)
• M10: 3,826,564 km (0.117 R)
• M11: 5,718,229 km (0.08 R)
• M12: 6,241,074 km (0.098 R)
• M13: 7,048,304 km (0.12 R)
• M14: 7,844,613 km (0.079 R)
• M15: 9,215,378 km (0.071 R)
• M16: 9,797,015 km (0.026 R)
• M17: 10,120,146 km (0.093 R)
• M18: 11,434,064 km (0.032 R)
• M19: 11,896,322 km (0.086 R)
• M20: 15,119,258 km (0.077 R)
• M21: 15,551,447 km (0.119 R)
• M22: 20,865,013 km (0.106 R)
• M23: 21,555,707 km (0.112 R)
• M24: 24,135,522 km (0.071 R)
• M25: 29,228,881 km (0.102 R)
• M26: 30,190,645 km (0.06 R)
• M27: 32,177,455 km (0.086 R)
• M28: 35,861,302 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 680.2

Radius: 5.9

Gravity: 19.54 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 6.26 AU - 6.6 AU

Year: 10528 Days

Day: 17.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,821,611 km

• M1: 73,453 km (0.092 R)
• M2: 366,365 km (0.066 R)
• M3: 651,349 km (0.107 R)
• M4: 902,374 km (0.032 R)
• M5: 1,169,855 km (0.07 R)
• M6: 1,461,721 km (0.075 R)
• M7: 2,302,910 km (0.067 R)
• M8: 2,617,215 km (0.088 R)
• M9: 3,454,215 km (0.076 R)
• M10: 3,760,591 km (0.082 R)
• M11: 4,282,688 km (0.104 R)
• M12: 5,073,911 km (0.026 R)
• M13: 5,402,727 km (0.065 R)
• M14: 8,339,782 km (0.106 R)
• M15: 11,344,904 km (0.077 R)
• M16: 13,027,282 km (0.119 R)
• M17: 14,935,552 km (0.069 R)
• M18: 15,338,419 km (0.055 R)
• M19: 18,826,593 km (0.108 R)
• M20: 19,455,053 km (0.049 R)
• M21: 22,109,668 km (0.051 R)
• M22: 22,720,925 km (0.087 R)
• M23: 25,851,260 km (0.114 R)
• M24: 30,959,130 km (0.101 R)
• M25: 32,501,185 km (0.045 R)
• M26: 33,978,464 km (0.113 R)
• M27: 37,434,025 km (0.103 R)
• M28: 48,604,199 km (0.045 R)
• M29: 49,192,417 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 27.9

Radius: 6.4

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 6.44 AU - 8.04 AU

Year: 12578 Days

Day: 19.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,821,611 km

• M1: 79,586 km (0.115 R)
• M2: 408,253 km (0.115 R)
• M3: 666,459 km (0.103 R)
• M4: 1,113,158 km (0.063 R)
• M5: 1,601,146 km (0.087 R)
• M6: 1,882,240 km (0.091 R)
• M7: 3,160,554 km (0.115 R)
• M8: 7,834,590 km (0.079 R)
• M9: 9,231,385 km (0.07 R)
• M10: 14,596,264 km (0.086 R)
• M11: 15,873,680 km (0.116 R)
• M12: 18,988,308 km (0.061 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 579.6

Radius: 6.5

Gravity: 13.72 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 8.31 AU - 10.15 AU

Year: 18106 Days

Day: 16.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 51,821,611 km

• M1: 80,932 km (0.101 R)
• M2: 285,882 km (0.068 R)
• M3: 787,334 km (0.114 R)
• M4: 1,183,170 km (0.041 R)
• M5: 1,671,008 km (0.078 R)
• M6: 3,460,498 km (0.108 R)
• M7: 4,353,747 km (0.034 R)
• M8: 4,716,970 km (0.033 R)
• M9: 5,135,994 km (0.078 R)
• M10: 7,898,169 km (0.081 R)
• M11: 8,899,278 km (0.116 R)
• M12: 9,593,861 km (0.052 R)
• M13: 9,982,367 km (0.041 R)
• M14: 10,732,002 km (0.06 R)
• M15: 11,394,870 km (0.049 R)
• M16: 12,538,246 km (0.055 R)
• M17: 13,273,520 km (0.106 R)
• M18: 15,050,743 km (0.091 R)
• M19: 17,223,203 km (0.077 R)
• M20: 18,047,188 km (0.107 R)
• M21: 18,468,904 km (0.109 R)
• M22: 20,131,685 km (0.042 R)
• M23: 20,768,672 km (0.117 R)
• M24: 23,953,611 km (0.088 R)
• M25: 24,156,466 km (0.053 R)
• M26: 24,462,992 km (0.107 R)
• M27: 26,356,602 km (0.08 R)
• M28: 31,635,611 km (0.055 R)
• M29: 34,910,458 km (0.089 R)
• M30: 38,127,710 km (0.111 R)
• M31: 39,242,663 km (0.083 R)
• M32: 45,921,460 km (0.075 R)
• M33: 54,537,400 km (0.035 R)
• M34: 57,209,367 km (0.097 R)
• M35: 65,350,035 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225.4

Radius: 7.1

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 7.77 AU - 11.69 AU

Year: 19597 Days

Day: 25 Hours

Environment

Temp: -225 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,821,611 km

• M1: 99,483 km (0.117 R)
• M2: 1,324,091 km (0.112 R)
• M3: 1,705,266 km (0.102 R)
• M4: 2,522,071 km (0.11 R)
• M5: 6,100,452 km (0.093 R)
• M6: 6,593,825 km (0.073 R)
• M7: 7,660,159 km (0.119 R)
• M8: 11,374,824 km (0.111 R)
• M9: 12,004,930 km (0.072 R)
• M10: 19,884,399 km (0.104 R)
• M11: 24,169,331 km (0.11 R)
• M12: 27,277,077 km (0.036 R)
• M13: 33,108,552 km (0.049 R)
• M14: 36,558,728 km (0.118 R)
• M15: 40,241,229 km (0.09 R)
• M16: 43,885,283 km (0.12 R)
• M17: 50,896,038 km (0.097 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: 307 - 14,687 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit