🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.7

Radius: 10.9

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.74 AU - 1.04 AU

Year: 542 Days

Day: 11.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,439,542 km

• M1: 135,536 km (0.082 R)
• M2: 574,157 km (0.057 R)
• M3: 917,484 km (0.027 R)
• M4: 1,300,903 km (0.086 R)
• M5: 2,338,664 km (0.102 R)
• M6: 2,901,750 km (0.073 R)
• M7: 3,338,426 km (0.059 R)
• M8: 3,737,852 km (0.082 R)
• M9: 4,434,530 km (0.093 R)
• M10: 5,317,606 km (0.091 R)
• M11: 6,468,762 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.5

Radius: 10.9

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.89 AU - 0.99 AU

Year: 588 Days

Day: 9 Hours

Environment

Temp: -160 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,439,542 km

• M1: 137,480 km (0.091 R)
• M2: 578,046 km (0.102 R)
• M3: 1,903,783 km (0.1 R)
• M4: 2,329,837 km (0.11 R)
• M5: 2,698,895 km (0.092 R)
• M6: 3,252,108 km (0.12 R)
• M7: 4,164,506 km (0.118 R)
• M8: 4,840,688 km (0.094 R)
• M9: 5,934,548 km (0.108 R)
• M10: 6,976,497 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.2

Radius: 10.6

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.85 AU - 1.11 AU

Year: 626 Days

Day: 8.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,439,542 km

• M1: 132,095 km (0.112 R)
• M2: 483,201 km (0.103 R)
• M3: 856,448 km (0.096 R)
• M4: 1,417,589 km (0.078 R)
• M5: 2,073,875 km (0.098 R)
• M6: 2,901,899 km (0.116 R)
• M7: 3,863,066 km (0.097 R)
• M8: 4,735,072 km (0.105 R)
• M9: 5,083,186 km (0.044 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.4

Radius: 10.9

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.89 AU - 1.49 AU

Year: 838 Days

Day: 7.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,439,542 km

• M1: 137,032 km (0.085 R)
• M2: 550,071 km (0.05 R)
• M3: 972,237 km (0.062 R)
• M4: 1,445,863 km (0.109 R)
• M5: 2,224,969 km (0.069 R)
• M6: 2,585,799 km (0.088 R)
• M7: 2,985,973 km (0.094 R)
• M8: 3,951,777 km (0.112 R)
• M9: 5,098,595 km (0.073 R)
• M10: 5,515,524 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.4

Radius: 12.3

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.15 AU - 1.29 AU

Year: 870 Days

Day: 9.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,439,542 km

• M1: 153,039 km (0.073 R)
• M2: 565,480 km (0.102 R)
• M3: 1,339,799 km (0.097 R)
• M4: 1,827,787 km (0.097 R)
• M5: 2,549,297 km (0.109 R)
• M6: 2,944,385 km (0.077 R)
• M7: 3,813,699 km (0.115 R)
• M8: 4,283,585 km (0.114 R)
• M9: 5,301,449 km (0.071 R)
• M10: 5,784,501 km (0.053 R)
• M11: 6,519,026 km (0.094 R)
• M12: 7,266,417 km (0.096 R)
• M13: 7,661,057 km (0.118 R)
• M14: 8,987,840 km (0.095 R)
• M15: 10,462,426 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.1

Radius: 10.7

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.22 AU - 1.3 AU

Year: 913 Days

Day: 6.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,439,542 km

• M1: 133,142 km (0.107 R)
• M2: 754,572 km (0.058 R)
• M3: 1,310,627 km (0.107 R)
• M4: 1,919,191 km (0.058 R)
• M5: 2,294,981 km (0.059 R)
• M6: 3,308,058 km (0.08 R)
• M7: 4,561,538 km (0.107 R)
• M8: 4,993,278 km (0.118 R)
• M9: 6,279,819 km (0.113 R)
• M10: 7,094,380 km (0.091 R)
• M11: 7,725,384 km (0.075 R)
• M12: 8,687,448 km (0.075 R)
• M13: 9,992,689 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.8

Radius: 8.6

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.37 AU - 2.15 AU

Year: 1508 Days

Day: 7.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,439,542 km

• M1: 106,962 km (0.083 R)
• M2: 504,743 km (0.091 R)
• M3: 874,400 km (0.073 R)
• M4: 1,281,007 km (0.106 R)
• M5: 1,558,062 km (0.055 R)
• M6: 2,877,216 km (0.088 R)
• M7: 4,607,465 km (0.081 R)
• M8: 5,522,555 km (0.113 R)
• M9: 6,075,918 km (0.082 R)
• M10: 6,355,366 km (0.049 R)
• M11: 8,347,262 km (0.091 R)
• M12: 8,801,441 km (0.06 R)
• M13: 9,470,742 km (0.094 R)
• M14: 9,905,922 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.7

Radius: 10.1

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.2 AU - 5.06 AU

Year: 5419 Days

Day: 11.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,439,542 km

• M1: 125,662 km (0.074 R)
• M2: 471,682 km (0.118 R)
• M3: 980,764 km (0.086 R)
• M4: 1,487,601 km (0.046 R)
• M5: 1,936,993 km (0.088 R)
• M6: 3,646,448 km (0.104 R)
• M7: 4,655,187 km (0.109 R)
• M8: 5,685,766 km (0.105 R)
• M9: 6,353,571 km (0.025 R)
• M10: 7,288,109 km (0.092 R)
• M11: 8,632,695 km (0.113 R)
• M12: 10,090,526 km (0.092 R)
• M13: 10,549,043 km (0.059 R)
• M14: 10,925,731 km (0.107 R)
• M15: 11,458,299 km (0.089 R)
• M16: 12,733,472 km (0.085 R)
• M17: 15,382,850 km (0.053 R)
• M18: 19,765,319 km (0.053 R)
• M19: 24,667,791 km (0.097 R)
• M20: 25,416,529 km (0.109 R)
• M21: 29,481,851 km (0.081 R)
• M22: 30,042,095 km (0.072 R)
• M23: 31,765,911 km (0.083 R)
• M24: 33,655,781 km (0.083 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.8

Radius: 8.1

Gravity: 14.54 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.48 AU - 4.98 AU

Year: 5617 Days

Day: 6.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 36,439,542 km

• M1: 100,829 km (0.063 R)
• M2: 400,324 km (0.077 R)
• M3: 856,448 km (0.084 R)
• M4: 1,280,408 km (0.06 R)
• M5: 1,567,187 km (0.08 R)
• M6: 2,479,136 km (0.062 R)
• M7: 3,010,059 km (0.089 R)
• M8: 3,346,355 km (0.056 R)
• M9: 3,614,733 km (0.096 R)
• M10: 3,873,538 km (0.064 R)
• M11: 4,455,025 km (0.12 R)
• M12: 4,808,524 km (0.098 R)
• M13: 5,572,221 km (0.088 R)
• M14: 6,080,854 km (0.114 R)
• M15: 6,346,690 km (0.114 R)
• M16: 7,045,162 km (0.053 R)
• M17: 9,897,246 km (0.045 R)
• M18: 11,526,815 km (0.077 R)
• M19: 12,672,136 km (0.047 R)
• M20: 15,554,139 km (0.088 R)
• M21: 16,305,869 km (0.097 R)
• M22: 17,949,201 km (0.038 R)
• M23: 20,728,879 km (0.09 R)
• M24: 21,029,421 km (0.066 R)
• M25: 22,260,163 km (0.109 R)
• M26: 24,361,564 km (0.048 R)
• M27: 28,029,854 km (0.107 R)
• M28: 28,582,319 km (0.052 R)
• M29: 29,048,167 km (0.115 R)
• M30: 32,452,416 km (0.108 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 14,458 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit