🌌 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: 819.3

Radius: 11.5

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.5 AU - 0.56 AU

Year: 257 Days

Day: 12.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,091,659 km

• M1: 143,165 km (0.04 R)
• M2: 518,656 km (0.092 R)
• M3: 896,690 km (0.059 R)
• M4: 1,273,227 km (0.108 R)
• M5: 1,678,937 km (0.113 R)
• M6: 2,373,370 km (0.106 R)
• M7: 2,797,181 km (0.108 R)
• M8: 3,199,150 km (0.062 R)
• M9: 3,718,853 km (0.11 R)
• M10: 4,256,807 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.4

Radius: 9.1

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.69 AU - 0.83 AU

Year: 442 Days

Day: 10.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,091,659 km

• M1: 113,096 km (0.118 R)
• M2: 436,227 km (0.102 R)
• M3: 728,841 km (0.07 R)
• M4: 1,726,359 km (0.087 R)
• M5: 2,286,603 km (0.081 R)
• M6: 2,890,231 km (0.075 R)
• M7: 3,430,279 km (0.079 R)
• M8: 4,036,151 km (0.069 R)
• M9: 4,553,759 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.8

Radius: 8.2

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.1 AU - 2.14 AU

Year: 2058 Days

Day: 12.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,091,659 km

• M1: 102,026 km (0.084 R)
• M2: 370,404 km (0.095 R)
• M3: 742,604 km (0.114 R)
• M4: 2,337,616 km (0.116 R)
• M5: 3,107,896 km (0.084 R)
• M6: 3,951,029 km (0.059 R)
• M7: 4,349,408 km (0.1 R)
• M8: 4,709,640 km (0.049 R)
• M9: 5,348,573 km (0.062 R)
• M10: 6,675,207 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.4

Radius: 10

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.18 AU - 3.44 AU

Year: 4016 Days

Day: 7.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,091,659 km

• M1: 124,465 km (0.071 R)
• M2: 601,084 km (0.091 R)
• M3: 1,199,925 km (0.03 R)
• M4: 1,696,589 km (0.054 R)
• M5: 2,236,189 km (0.066 R)
• M6: 2,940,496 km (0.114 R)
• M7: 3,743,687 km (0.071 R)
• M8: 4,278,050 km (0.112 R)
• M9: 6,101,349 km (0.098 R)
• M10: 7,235,002 km (0.1 R)
• M11: 8,137,376 km (0.109 R)
• M12: 9,468,199 km (0.104 R)
• M13: 11,984,585 km (0.117 R)
• M14: 16,029,861 km (0.096 R)
• M15: 17,317,300 km (0.102 R)
• M16: 17,680,075 km (0.106 R)
• M17: 21,108,858 km (0.054 R)
• M18: 22,438,933 km (0.03 R)
• M19: 23,675,658 km (0.087 R)
• M20: 24,273,152 km (0.115 R)
• M21: 25,732,479 km (0.12 R)
• M22: 26,603,588 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.2

Radius: 8.9

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.77 AU - 4.47 AU

Year: 5577 Days

Day: 9 Hours

Environment

Temp: -228 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 45,091,659 km

• M1: 112,198 km (0.054 R)
• M2: 687,253 km (0.107 R)
• M3: 1,041,949 km (0.096 R)
• M4: 1,345,034 km (0.111 R)
• M5: 1,622,838 km (0.063 R)
• M6: 1,912,758 km (0.065 R)
• M7: 3,263,328 km (0.093 R)
• M8: 3,563,122 km (0.09 R)
• M9: 3,859,475 km (0.058 R)
• M10: 4,550,618 km (0.116 R)
• M11: 5,081,840 km (0.116 R)
• M12: 5,710,600 km (0.087 R)
• M13: 5,999,623 km (0.08 R)
• M14: 6,765,564 km (0.1 R)
• M15: 8,016,651 km (0.098 R)
• M16: 9,256,967 km (0.091 R)
• M17: 9,535,667 km (0.088 R)
• M18: 10,236,085 km (0.091 R)
• M19: 11,014,742 km (0.098 R)
• M20: 12,255,806 km (0.055 R)
• M21: 13,133,496 km (0.11 R)
• M22: 16,947,644 km (0.094 R)
• M23: 17,729,292 km (0.104 R)
• M24: 18,409,215 km (0.026 R)
• M25: 18,723,969 km (0.105 R)
• M26: 20,688,638 km (0.116 R)
• M27: 23,962,138 km (0.049 R)
• M28: 25,100,129 km (0.065 R)
• M29: 26,995,235 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.6

Radius: 9.1

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.47 AU - 4.89 AU

Year: 5699 Days

Day: 13.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,091,659 km

• M1: 113,246 km (0.085 R)
• M2: 487,091 km (0.092 R)
• M3: 1,256,622 km (0.054 R)
• M4: 1,779,467 km (0.099 R)
• M5: 2,106,338 km (0.106 R)
• M6: 2,425,281 km (0.072 R)
• M7: 2,776,536 km (0.105 R)
• M8: 3,337,528 km (0.04 R)
• M9: 4,487,188 km (0.111 R)
• M10: 4,915,188 km (0.114 R)
• M11: 5,882,188 km (0.066 R)
• M12: 6,583,503 km (0.071 R)
• M13: 8,079,183 km (0.095 R)
• M14: 8,867,713 km (0.046 R)
• M15: 9,872,263 km (0.119 R)
• M16: 10,553,831 km (0.067 R)
• M17: 11,311,993 km (0.118 R)
• M18: 12,787,626 km (0.118 R)
• M19: 16,466,238 km (0.076 R)
• M20: 16,821,383 km (0.094 R)
• M21: 18,482,817 km (0.073 R)
• M22: 19,386,089 km (0.067 R)
• M23: 23,221,030 km (0.087 R)
• M24: 23,592,931 km (0.104 R)
• M25: 27,203,326 km (0.092 R)
• M26: 27,950,417 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.4

Radius: 14.2

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.46 AU - 5.26 AU

Year: 7145 Days

Day: 12.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,091,659 km

• M1: 176,675 km (0.094 R)
• M2: 715,676 km (0.084 R)
• M3: 1,160,879 km (0.067 R)
• M4: 2,973,706 km (0.108 R)
• M5: 4,945,257 km (0.101 R)
• M6: 6,623,147 km (0.05 R)
• M7: 7,642,656 km (0.07 R)
• M8: 12,886,361 km (0.113 R)
• M9: 13,913,799 km (0.107 R)
• M10: 15,048,050 km (0.11 R)
• M11: 16,523,234 km (0.104 R)
• M12: 21,459,964 km (0.083 R)
• M13: 23,043,607 km (0.12 R)
• M14: 24,117,570 km (0.067 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.1

Radius: 5.8

Gravity: 14.15 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.8 AU - 7.62 AU

Year: 10320 Days

Day: 19.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 45,091,659 km

• M1: 72,705 km (0.074 R)
• M2: 496,366 km (0.077 R)
• M3: 677,978 km (0.065 R)
• M4: 1,084,734 km (0.049 R)
• M5: 1,312,422 km (0.088 R)
• M6: 1,699,581 km (0.12 R)
• M7: 2,177,098 km (0.09 R)
• M8: 2,699,643 km (0.109 R)
• M9: 4,623,921 km (0.055 R)
• M10: 5,258,964 km (0.082 R)
• M11: 6,123,639 km (0.085 R)
• M12: 6,516,633 km (0.08 R)
• M13: 7,472,264 km (0.117 R)
• M14: 8,301,335 km (0.096 R)
• M15: 9,945,865 km (0.105 R)
• M16: 10,239,675 km (0.098 R)
• M17: 11,366,446 km (0.113 R)
• M18: 13,503,601 km (0.104 R)
• M19: 14,046,492 km (0.088 R)
• M20: 16,704,697 km (0.107 R)
• M21: 17,119,980 km (0.06 R)
• M22: 20,693,125 km (0.054 R)
• M23: 21,822,141 km (0.103 R)
• M24: 22,152,004 km (0.065 R)
• M25: 23,247,509 km (0.066 R)
• M26: 24,114,279 km (0.114 R)
• M27: 26,655,797 km (0.039 R)
• M28: 31,523,263 km (0.118 R)
• M29: 32,691,922 km (0.101 R)
• M30: 33,123,961 km (0.068 R)
• M31: 33,999,557 km (0.089 R)
• M32: 35,796,676 km (0.068 R)
• M33: 39,823,851 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 340.5

Radius: 6.7

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 8.25 AU - 10.95 AU

Year: 19835 Days

Day: 19.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,091,659 km

• M1: 189,391 km (0.104 R)
• M2: 1,209,948 km (0.076 R)
• M3: 3,189,726 km (0.093 R)
• M4: 5,010,481 km (0.114 R)
• M5: 5,647,768 km (0.085 R)
• M6: 7,168,880 km (0.093 R)
• M7: 7,792,403 km (0.114 R)
• M8: 9,352,709 km (0.087 R)
• M9: 14,908,774 km (0.112 R)
• M10: 18,821,955 km (0.071 R)
• M11: 21,237,063 km (0.089 R)
• M12: 25,844,827 km (0.069 R)
• M13: 37,496,706 km (0.118 R)
• M14: 47,458,877 km (0.042 R)
• M15: 49,960,004 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116

Radius: 7.3

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 9.5 AU - 11.18 AU

Year: 22172 Days

Day: 18.2 Hours

Environment

Temp: -245 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,091,659 km

• M1: 97,538 km (0.088 R)
• M2: 1,317,957 km (0.08 R)
• M3: 1,954,795 km (0.057 R)
• M4: 2,190,412 km (0.095 R)
• M5: 5,615,306 km (0.036 R)
• M6: 6,345,493 km (0.047 R)
• M7: 8,468,586 km (0.12 R)
• M8: 9,286,138 km (0.12 R)
• M9: 9,908,465 km (0.117 R)
• M10: 12,449,086 km (0.108 R)
• M11: 15,859,169 km (0.084 R)
• M12: 16,197,111 km (0.037 R)
• M13: 19,075,524 km (0.098 R)
• M14: 19,845,055 km (0.105 R)
• M15: 22,026,192 km (0.092 R)
• M16: 29,317,144 km (0.077 R)
• M17: 43,887,527 km (0.03 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 163 - 11,181 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit