🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191

Radius: 10.7

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.65 AU - 0.93 AU

Year: 453 Days

Day: 10.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,677,600 km

• M1: 133,142 km (0.108 R)
• M2: 490,831 km (0.08 R)
• M3: 880,084 km (0.088 R)
• M4: 1,234,482 km (0.102 R)
• M5: 1,883,138 km (0.109 R)
• M6: 3,159,208 km (0.109 R)
• M7: 3,766,276 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.4

Radius: 12.7

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.77 AU - 1.13 AU

Year: 598 Days

Day: 9.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,677,600 km

• M1: 157,975 km (0.076 R)
• M2: 579,243 km (0.051 R)
• M3: 1,112,709 km (0.071 R)
• M4: 1,639,742 km (0.116 R)
• M5: 2,411,069 km (0.044 R)
• M6: 2,858,217 km (0.112 R)
• M7: 4,167,797 km (0.038 R)
• M8: 7,309,502 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600

Radius: 8.7

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.98 AU - 1.08 AU

Year: 675 Days

Day: 12.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,677,600 km

• M1: 108,309 km (0.118 R)
• M2: 379,979 km (0.095 R)
• M3: 655,538 km (0.039 R)
• M4: 995,275 km (0.098 R)
• M5: 1,308,084 km (0.093 R)
• M6: 1,663,080 km (0.115 R)
• M7: 1,946,717 km (0.115 R)
• M8: 2,352,127 km (0.034 R)
• M9: 2,859,115 km (0.102 R)
• M10: 3,145,146 km (0.115 R)
• M11: 3,424,146 km (0.094 R)
• M12: 4,646,061 km (0.054 R)
• M13: 5,094,555 km (0.12 R)
• M14: 5,737,228 km (0.106 R)
• M15: 6,333,076 km (0.075 R)
• M16: 7,446,384 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.6

Radius: 9.3

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.74 AU - 2.48 AU

Year: 1979 Days

Day: 11.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,677,600 km

• M1: 119,828 km (0.086 R)
• M2: 490,083 km (0.056 R)
• M3: 1,098,048 km (0.057 R)
• M4: 1,505,254 km (0.112 R)
• M5: 2,200,285 km (0.094 R)
• M6: 2,519,378 km (0.077 R)
• M7: 3,300,578 km (0.119 R)
• M8: 3,954,021 km (0.079 R)
• M9: 5,180,425 km (0.069 R)
• M10: 6,087,437 km (0.116 R)
• M11: 6,412,064 km (0.07 R)
• M12: 7,400,457 km (0.097 R)
• M13: 8,829,715 km (0.099 R)
• M14: 9,181,719 km (0.036 R)
• M15: 11,456,205 km (0.117 R)
• M16: 13,527,986 km (0.115 R)
• M17: 15,101,007 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.4

Radius: 13.7

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.15 AU - 3.55 AU

Year: 3107 Days

Day: 6.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,677,600 km

• M1: 177,124 km (0.058 R)
• M2: 901,327 km (0.092 R)
• M3: 1,383,930 km (0.06 R)
• M4: 2,245,015 km (0.043 R)
• M5: 2,821,865 km (0.107 R)
• M6: 4,455,773 km (0.111 R)
• M7: 8,399,621 km (0.057 R)
• M8: 9,493,930 km (0.082 R)
• M9: 11,656,516 km (0.115 R)
• M10: 12,970,285 km (0.098 R)
• M11: 15,676,211 km (0.093 R)
• M12: 17,561,593 km (0.115 R)
• M13: 20,347,405 km (0.043 R)
• M14: 21,778,757 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.7

Radius: 8.5

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.22 AU - 4.74 AU

Year: 6123 Days

Day: 13.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,677,600 km

• M1: 135,835 km (0.05 R)
• M2: 586,723 km (0.104 R)
• M3: 1,235,529 km (0.075 R)
• M4: 2,646,536 km (0.044 R)
• M5: 3,317,782 km (0.092 R)
• M6: 5,993,788 km (0.09 R)
• M7: 6,528,152 km (0.089 R)
• M8: 12,272,561 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.4

Radius: 9.9

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 5 AU - 5.2 AU

Year: 7437 Days

Day: 6.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 43,677,600 km

• M1: 124,765 km (0.088 R)
• M2: 533,466 km (0.025 R)
• M3: 892,650 km (0.092 R)
• M4: 1,764,507 km (0.097 R)
• M5: 2,234,543 km (0.098 R)
• M6: 3,168,632 km (0.092 R)
• M7: 3,989,177 km (0.07 R)
• M8: 4,318,143 km (0.108 R)
• M9: 4,720,411 km (0.066 R)
• M10: 5,031,126 km (0.111 R)
• M11: 5,507,745 km (0.08 R)
• M12: 6,690,765 km (0.088 R)
• M13: 9,641,583 km (0.111 R)
• M14: 11,808,358 km (0.069 R)
• M15: 12,330,754 km (0.119 R)
• M16: 13,761,209 km (0.118 R)
• M17: 14,222,868 km (0.087 R)
• M18: 20,374,632 km (0.058 R)
• M19: 21,202,656 km (0.095 R)
• M20: 22,288,736 km (0.106 R)
• M21: 23,086,991 km (0.107 R)
• M22: 23,821,516 km (0.091 R)
• M23: 24,740,346 km (0.112 R)
• M24: 29,311,758 km (0.067 R)
• M25: 31,050,983 km (0.095 R)
• M26: 31,546,152 km (0.067 R)
• M27: 36,680,500 km (0.063 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.2

Radius: 8

Gravity: 13.49 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.78 AU - 6.22 AU

Year: 8328 Days

Day: 6.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,677,600 km

• M1: 102,624 km (0.101 R)
• M2: 408,253 km (0.099 R)
• M3: 969,993 km (0.094 R)
• M4: 1,728,005 km (0.055 R)
• M5: 2,960,841 km (0.119 R)
• M6: 3,968,532 km (0.085 R)
• M7: 4,464,150 km (0.091 R)
• M8: 5,578,953 km (0.116 R)
• M9: 6,716,795 km (0.053 R)
• M10: 8,435,375 km (0.098 R)
• M11: 9,348,969 km (0.101 R)
• M12: 9,732,389 km (0.104 R)
• M13: 12,143,607 km (0.065 R)
• M14: 13,853,361 km (0.057 R)
• M15: 15,650,929 km (0.081 R)
• M16: 19,858,669 km (0.112 R)
• M17: 21,968,148 km (0.115 R)
• M18: 22,305,491 km (0.097 R)
• M19: 22,646,275 km (0.094 R)
• M20: 26,058,902 km (0.07 R)
• M21: 38,203,556 km (0.098 R)
• M22: 41,965,344 km (0.061 R)
• M23: 42,746,245 km (0.12 R)
• M24: 44,606,046 km (0.098 R)
• M25: 45,283,126 km (0.08 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.9

Radius: 13.7

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 4.91 AU - 6.29 AU

Year: 8557 Days

Day: 14 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,677,600 km

• M1: 170,841 km (0.067 R)
• M2: 908,957 km (0.102 R)
• M3: 1,530,237 km (0.034 R)
• M4: 2,520,275 km (0.109 R)
• M5: 2,975,801 km (0.099 R)
• M6: 5,941,579 km (0.079 R)
• M7: 8,659,174 km (0.1 R)
• M8: 9,709,650 km (0.095 R)
• M9: 10,439,388 km (0.112 R)
• M10: 11,845,010 km (0.117 R)
• M11: 12,792,563 km (0.07 R)
• M12: 17,445,655 km (0.119 R)
• M13: 19,118,608 km (0.091 R)
• M14: 26,420,480 km (0.059 R)
• M15: 32,205,430 km (0.079 R)
• M16: 35,278,768 km (0.064 R)
• M17: 36,076,574 km (0.08 R)
• M18: 43,287,191 km (0.113 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 207 - 16,712 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit