🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.4

Radius: 10.4

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.72 AU - 0.84 AU

Year: 459 Days

Day: 12.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,395,483 km

• M1: 129,402 km (0.044 R)
• M2: 469,887 km (0.03 R)
• M3: 872,156 km (0.118 R)
• M4: 1,314,965 km (0.093 R)
• M5: 1,683,874 km (0.099 R)
• M6: 2,062,356 km (0.07 R)
• M7: 2,517,283 km (0.082 R)
• M8: 2,907,135 km (0.092 R)
• M9: 4,412,090 km (0.073 R)
• M10: 4,797,155 km (0.064 R)
• M11: 5,417,088 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.2

Radius: 13.4

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.61 AU - 0.99 AU

Year: 477 Days

Day: 7 Hours

Environment

Temp: -158 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 34,395,483 km

• M1: 170,093 km (0.104 R)
• M2: 704,756 km (0.1 R)
• M3: 1,866,981 km (0.071 R)
• M4: 2,288,099 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.8

Radius: 9.5

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.82 AU - 1.22 AU

Year: 687 Days

Day: 12 Hours

Environment

Temp: -176 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,395,483 km

• M1: 118,182 km (0.095 R)
• M2: 487,390 km (0.067 R)
• M3: 982,409 km (0.097 R)
• M4: 1,406,220 km (0.071 R)
• M5: 1,718,730 km (0.089 R)
• M6: 2,022,414 km (0.059 R)
• M7: 2,372,473 km (0.07 R)
• M8: 2,706,375 km (0.045 R)
• M9: 3,403,352 km (0.05 R)
• M10: 4,169,741 km (0.098 R)
• M11: 4,610,158 km (0.108 R)
• M12: 5,046,834 km (0.073 R)
• M13: 7,141,204 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.1

Radius: 14.1

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.11 AU - 2.67 AU

Year: 2464 Days

Day: 12.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,395,483 km

• M1: 175,329 km (0.101 R)
• M2: 649,554 km (0.11 R)
• M3: 1,168,060 km (0.089 R)
• M4: 1,775,727 km (0.085 R)
• M5: 2,481,081 km (0.095 R)
• M6: 3,849,004 km (0.101 R)
• M7: 4,573,506 km (0.102 R)
• M8: 5,809,783 km (0.07 R)
• M9: 6,787,255 km (0.084 R)
• M10: 7,466,879 km (0.089 R)
• M11: 8,018,296 km (0.106 R)
• M12: 8,622,672 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.4

Radius: 11.4

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.11 AU - 3.51 AU

Year: 3141 Days

Day: 13.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,395,483 km

• M1: 165,605 km (0.117 R)
• M2: 536,458 km (0.096 R)
• M3: 948,750 km (0.066 R)
• M4: 1,914,703 km (0.062 R)
• M5: 2,270,896 km (0.091 R)
• M6: 4,001,444 km (0.041 R)
• M7: 4,777,109 km (0.116 R)
• M8: 5,390,610 km (0.089 R)
• M9: 5,783,454 km (0.041 R)
• M10: 6,568,244 km (0.118 R)
• M11: 7,454,611 km (0.106 R)
• M12: 8,698,967 km (0.099 R)
• M13: 9,131,005 km (0.082 R)
• M14: 10,077,212 km (0.088 R)
• M15: 11,129,334 km (0.096 R)
• M16: 11,510,060 km (0.059 R)
• M17: 12,208,533 km (0.072 R)
• M18: 14,424,675 km (0.111 R)
• M19: 15,133,620 km (0.078 R)
• M20: 18,087,579 km (0.055 R)
• M21: 18,792,784 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.1

Radius: 11

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.19 AU - 3.65 AU

Year: 3327 Days

Day: 8 Hours

Environment

Temp: -203 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,395,483 km

• M1: 148,700 km (0.111 R)
• M2: 584,778 km (0.118 R)
• M3: 1,035,666 km (0.068 R)
• M4: 3,466,631 km (0.104 R)
• M5: 4,312,757 km (0.105 R)
• M6: 5,139,584 km (0.079 R)
• M7: 6,181,683 km (0.106 R)
• M8: 6,859,362 km (0.099 R)
• M9: 10,722,128 km (0.111 R)
• M10: 11,482,983 km (0.103 R)
• M11: 13,350,264 km (0.094 R)
• M12: 14,634,561 km (0.053 R)
• M13: 16,657,274 km (0.062 R)
• M14: 18,679,239 km (0.1 R)

Asteroid Belt

Center: 3.21 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.5

Radius: 10.8

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.09 AU - 3.89 AU

Year: 4348 Days

Day: 14.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,395,483 km

• M1: 135,236 km (0.116 R)
• M2: 853,456 km (0.103 R)
• M3: 1,205,160 km (0.097 R)
• M4: 1,872,068 km (0.063 R)
• M5: 2,218,536 km (0.073 R)
• M6: 2,592,681 km (0.113 R)
• M7: 3,830,453 km (0.105 R)
• M8: 5,193,140 km (0.102 R)
• M9: 6,402,639 km (0.101 R)
• M10: 8,994,273 km (0.057 R)
• M11: 10,074,818 km (0.049 R)
• M12: 12,446,393 km (0.099 R)
• M13: 14,491,845 km (0.062 R)
• M14: 15,974,210 km (0.08 R)
• M15: 16,471,474 km (0.083 R)
• M16: 20,829,110 km (0.077 R)
• M17: 21,356,442 km (0.096 R)
• M18: 23,201,732 km (0.112 R)
• M19: 23,768,409 km (0.035 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258.3

Radius: 6.4

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5.38 AU - 6.7 AU

Year: 9899 Days

Day: 17.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 166.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,395,483 km

• M1: 85,570 km (0.083 R)
• M2: 286,480 km (0.116 R)
• M3: 648,656 km (0.078 R)
• M4: 1,101,938 km (0.106 R)
• M5: 1,707,510 km (0.078 R)
• M6: 3,227,574 km (0.108 R)
• M7: 3,946,242 km (0.088 R)
• M8: 4,394,886 km (0.082 R)
• M9: 5,573,717 km (0.071 R)
• M10: 6,706,024 km (0.115 R)
• M11: 8,297,595 km (0.108 R)
• M12: 11,951,075 km (0.089 R)
• M13: 12,834,600 km (0.112 R)
• M14: 13,429,102 km (0.116 R)
• M15: 14,098,253 km (0.025 R)
• M16: 16,177,065 km (0.082 R)
• M17: 19,630,083 km (0.099 R)
• M18: 20,129,590 km (0.074 R)
• M19: 20,637,475 km (0.068 R)
• M20: 22,911,213 km (0.037 R)
• M21: 25,095,940 km (0.093 R)
• M22: 30,916,943 km (0.045 R)
• M23: 32,278,733 km (0.043 R)
• M24: 33,174,824 km (0.091 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 12,270 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit