🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.9

Radius: 10.6

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.72 AU - 1.12 AU

Year: 570 Days

Day: 13.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,429,529 km

• M1: 131,796 km (0.092 R)
• M2: 471,981 km (0.118 R)
• M3: 806,931 km (0.1 R)
• M4: 1,323,642 km (0.095 R)
• M5: 2,010,147 km (0.029 R)
• M6: 2,464,775 km (0.089 R)
• M7: 3,281,728 km (0.092 R)
• M8: 4,994,325 km (0.106 R)
• M9: 5,532,877 km (0.093 R)
• M10: 6,826,450 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850

Radius: 11.7

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.32 AU - 1.46 AU

Year: 1058 Days

Day: 5.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,429,529 km

• M1: 145,559 km (0.052 R)
• M2: 671,994 km (0.071 R)
• M3: 1,075,609 km (0.105 R)
• M4: 1,690,606 km (0.117 R)
• M5: 2,143,588 km (0.068 R)
• M6: 2,652,520 km (0.074 R)
• M7: 3,883,112 km (0.111 R)
• M8: 5,299,355 km (0.079 R)
• M9: 5,992,741 km (0.058 R)
• M10: 6,745,518 km (0.119 R)
• M11: 9,062,938 km (0.036 R)
• M12: 9,535,368 km (0.119 R)
• M13: 9,931,204 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.8

Radius: 10.1

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.47 AU - 1.79 AU

Year: 1344 Days

Day: 9.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,429,529 km

• M1: 125,662 km (0.032 R)
• M2: 446,101 km (0.053 R)
• M3: 795,113 km (0.064 R)
• M4: 1,117,646 km (0.112 R)
• M5: 1,752,689 km (0.071 R)
• M6: 2,078,962 km (0.12 R)
• M7: 2,777,733 km (0.107 R)
• M8: 4,088,659 km (0.114 R)
• M9: 4,511,872 km (0.066 R)
• M10: 4,848,317 km (0.114 R)
• M11: 5,590,024 km (0.118 R)
• M12: 6,035,825 km (0.099 R)
• M13: 6,957,049 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.2

Radius: 13.9

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.6 AU - 1.8 AU

Year: 1431 Days

Day: 8.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,429,529 km

• M1: 173,384 km (0.08 R)
• M2: 683,363 km (0.119 R)
• M3: 1,742,965 km (0.079 R)
• M4: 2,263,715 km (0.061 R)
• M5: 2,875,421 km (0.107 R)
• M6: 3,611,442 km (0.092 R)
• M7: 4,256,658 km (0.112 R)
• M8: 4,728,938 km (0.058 R)
• M9: 5,420,080 km (0.037 R)
• M10: 7,104,403 km (0.096 R)
• M11: 7,745,879 km (0.095 R)
• M12: 8,852,454 km (0.085 R)
• M13: 9,293,768 km (0.065 R)
• M14: 10,125,233 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.4

Radius: 14.6

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.49 AU - 2.31 AU

Year: 1691 Days

Day: 14 Hours

Environment

Temp: -178 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,429,529 km

• M1: 182,061 km (0.09 R)
• M2: 988,094 km (0.11 R)
• M3: 1,964,519 km (0.083 R)
• M4: 2,933,016 km (0.098 R)
• M5: 4,125,012 km (0.071 R)
• M6: 4,696,924 km (0.094 R)
• M7: 5,480,668 km (0.1 R)
• M8: 7,564,416 km (0.064 R)
• M9: 8,031,760 km (0.118 R)
• M10: 10,958,194 km (0.077 R)
• M11: 12,219,603 km (0.039 R)
• M12: 12,906,257 km (0.117 R)
• M13: 14,136,849 km (0.12 R)
• M14: 15,305,358 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.4

Radius: 12.6

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.91 AU - 2.99 AU

Year: 2476 Days

Day: 14 Hours

Environment

Temp: -206 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,429,529 km

• M1: 163,810 km (0.067 R)
• M2: 863,629 km (0.078 R)
• M3: 1,703,770 km (0.115 R)
• M4: 2,451,311 km (0.119 R)
• M5: 2,960,093 km (0.071 R)
• M6: 3,423,996 km (0.056 R)
• M7: 3,829,855 km (0.103 R)
• M8: 5,626,526 km (0.084 R)
• M9: 7,173,966 km (0.114 R)
• M10: 12,376,232 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.5

Radius: 10

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.41 AU - 3.05 AU

Year: 2912 Days

Day: 12.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,429,529 km

• M1: 124,316 km (0.071 R)
• M2: 473,477 km (0.03 R)
• M3: 979,118 km (0.1 R)
• M4: 1,514,529 km (0.026 R)
• M5: 2,024,059 km (0.114 R)
• M6: 2,967,274 km (0.047 R)
• M7: 4,116,784 km (0.112 R)
• M8: 4,688,397 km (0.117 R)
• M9: 5,138,986 km (0.099 R)
• M10: 6,210,256 km (0.043 R)
• M11: 6,608,336 km (0.11 R)
• M12: 7,084,058 km (0.072 R)
• M13: 8,204,546 km (0.03 R)
• M14: 9,439,326 km (0.078 R)
• M15: 10,043,403 km (0.048 R)
• M16: 11,370,485 km (0.102 R)
• M17: 11,967,530 km (0.112 R)
• M18: 14,320,555 km (0.047 R)
• M19: 15,067,647 km (0.076 R)
• M20: 15,425,036 km (0.108 R)
• M21: 17,633,251 km (0.074 R)
• M22: 20,105,954 km (0.048 R)
• M23: 21,042,436 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.2

Radius: 9.7

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.16 AU - 4.5 AU

Year: 4840 Days

Day: 8.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,429,529 km

• M1: 120,576 km (0.115 R)
• M2: 536,458 km (0.067 R)
• M3: 922,570 km (0.106 R)
• M4: 1,687,015 km (0.046 R)
• M5: 1,989,801 km (0.074 R)
• M6: 2,591,185 km (0.103 R)
• M7: 3,061,820 km (0.108 R)
• M8: 3,412,477 km (0.108 R)
• M9: 4,418,672 km (0.101 R)
• M10: 4,868,214 km (0.1 R)
• M11: 5,230,839 km (0.09 R)
• M12: 5,808,885 km (0.108 R)
• M13: 6,349,083 km (0.12 R)
• M14: 7,207,326 km (0.119 R)
• M15: 9,921,331 km (0.12 R)
• M16: 10,469,009 km (0.083 R)
• M17: 10,959,989 km (0.071 R)
• M18: 11,505,722 km (0.1 R)
• M19: 12,399,868 km (0.113 R)
• M20: 12,736,164 km (0.064 R)
• M21: 14,931,513 km (0.119 R)
• M22: 15,505,371 km (0.113 R)
• M23: 16,044,372 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 393.9

Radius: 7.1

Gravity: 7.81 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 6.71 AU - 7.41 AU

Year: 12112 Days

Day: 21.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,429,529 km

• M1: 88,263 km (0.044 R)
• M2: 360,830 km (0.059 R)
• M3: 761,304 km (0.087 R)
• M4: 987,944 km (0.101 R)
• M5: 1,213,688 km (0.096 R)
• M6: 2,059,813 km (0.084 R)
• M7: 3,003,028 km (0.117 R)
• M8: 4,459,513 km (0.111 R)
• M9: 5,309,228 km (0.092 R)
• M10: 9,045,435 km (0.102 R)
• M11: 10,197,788 km (0.04 R)
• M12: 12,274,356 km (0.081 R)
• M13: 13,143,071 km (0.063 R)
• M14: 14,176,493 km (0.112 R)
• M15: 20,805,473 km (0.095 R)
• M16: 34,376,992 km (0.054 R)
• M17: 34,603,035 km (0.062 R)
• M18: 40,835,432 km (0.09 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 598.2

Radius: 3.3

Gravity: 54.93 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 8.18 AU - 10.38 AU

Year: 18253 Days

Day: 23.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,429,529 km

• M1: 41,139 km (0.093 R)
• M2: 159,172 km (0.098 R)
• M3: 389,104 km (0.079 R)
• M4: 495,468 km (0.072 R)
• M5: 779,255 km (0.045 R)
• M6: 1,188,405 km (0.081 R)
• M7: 1,357,451 km (0.054 R)
• M8: 1,510,340 km (0.087 R)
• M9: 2,776,686 km (0.1 R)
• M10: 2,898,459 km (0.098 R)
• M11: 4,320,087 km (0.105 R)
• M12: 5,365,328 km (0.08 R)
• M13: 5,866,630 km (0.053 R)
• M14: 7,510,112 km (0.055 R)
• M15: 8,285,478 km (0.032 R)
• M16: 21,544,637 km (0.112 R)
• M17: 22,605,136 km (0.072 R)
• M18: 29,590,459 km (0.043 R)
• M19: 31,020,016 km (0.069 R)
• M20: 33,249,623 km (0.077 R)
• M21: 38,582,039 km (0.043 R)
• M22: 41,011,059 km (0.064 R)
• M23: 43,691,853 km (0.112 R)
• M24: 43,844,144 km (0.061 R)
• M25: 45,075,035 km (0.109 R)
• M26: 65,996,896 km (0.061 R)
• M27: 67,205,946 km (0.09 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 159 - 17,083 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit