🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.4

Radius: 14.5

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.55 AU - 0.85 AU

Year: 384 Days

Day: 13.3 Hours

Environment

Temp: -132 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,937,098 km

• M1: 180,415 km (0.042 R)
• M2: 1,076,057 km (0.085 R)
• M3: 1,624,633 km (0.066 R)
• M4: 2,550,195 km (0.111 R)
• M5: 3,032,648 km (0.088 R)
• M6: 3,588,255 km (0.099 R)
• M7: 4,198,614 km (0.118 R)
• M8: 4,762,149 km (0.086 R)
• M9: 5,236,673 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.7

Radius: 8.5

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.65 AU - 1.07 AU

Year: 523 Days

Day: 9.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,937,098 km

• M1: 105,766 km (0.07 R)
• M2: 375,790 km (0.03 R)
• M3: 746,045 km (0.1 R)
• M4: 1,037,910 km (0.117 R)
• M5: 1,870,721 km (0.07 R)
• M6: 2,204,474 km (0.107 R)
• M7: 2,627,387 km (0.099 R)
• M8: 3,286,516 km (0.09 R)
• M9: 4,992,081 km (0.113 R)
• M10: 5,572,072 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.5

Radius: 10.4

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.17 AU - 1.37 AU

Year: 939 Days

Day: 10.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,937,098 km

• M1: 129,402 km (0.074 R)
• M2: 454,778 km (0.081 R)
• M3: 858,841 km (0.075 R)
• M4: 1,290,581 km (0.117 R)
• M5: 1,620,145 km (0.101 R)
• M6: 2,743,176 km (0.11 R)
• M7: 3,401,108 km (0.065 R)
• M8: 4,147,751 km (0.071 R)
• M9: 4,631,550 km (0.117 R)
• M10: 4,984,900 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.6

Radius: 13.5

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.34 AU - 1.74 AU

Year: 1254 Days

Day: 6.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,937,098 km

• M1: 167,849 km (0.101 R)
• M2: 685,607 km (0.111 R)
• M3: 1,194,689 km (0.08 R)
• M4: 1,616,555 km (0.104 R)
• M5: 2,240,378 km (0.115 R)
• M6: 2,993,902 km (0.12 R)
• M7: 4,097,934 km (0.072 R)
• M8: 5,780,163 km (0.083 R)
• M9: 6,230,003 km (0.071 R)
• M10: 8,048,216 km (0.029 R)
• M11: 8,726,493 km (0.119 R)
• M12: 9,169,601 km (0.094 R)
• M13: 11,792,950 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.8

Radius: 10.8

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.51 AU - 1.75 AU

Year: 1365 Days

Day: 12.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,937,098 km

• M1: 134,638 km (0.11 R)
• M2: 574,456 km (0.108 R)
• M3: 1,636,601 km (0.063 R)
• M4: 2,082,851 km (0.043 R)
• M5: 2,470,160 km (0.081 R)
• M6: 3,009,161 km (0.068 R)
• M7: 3,640,165 km (0.092 R)
• M8: 5,759,368 km (0.104 R)
• M9: 8,356,238 km (0.106 R)
• M10: 9,836,808 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.1

Radius: 12.1

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.21 AU - 4.73 AU

Year: 5189 Days

Day: 6.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,937,098 km

• M1: 150,495 km (0.111 R)
• M2: 794,365 km (0.067 R)
• M3: 1,272,779 km (0.117 R)
• M4: 1,664,576 km (0.113 R)
• M5: 2,503,520 km (0.081 R)
• M6: 3,362,960 km (0.09 R)
• M7: 4,152,238 km (0.113 R)
• M8: 4,854,002 km (0.054 R)
• M9: 5,274,223 km (0.117 R)
• M10: 6,340,107 km (0.089 R)
• M11: 6,779,177 km (0.115 R)
• M12: 8,002,140 km (0.096 R)
• M13: 9,168,704 km (0.07 R)
• M14: 9,854,909 km (0.043 R)
• M15: 10,618,457 km (0.094 R)
• M16: 11,194,109 km (0.051 R)
• M17: 12,456,416 km (0.099 R)
• M18: 14,986,266 km (0.104 R)
• M19: 16,168,837 km (0.089 R)
• M20: 19,560,221 km (0.11 R)
• M21: 20,629,696 km (0.053 R)
• M22: 24,072,093 km (0.077 R)
• M23: 25,378,082 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.8

Radius: 10.6

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 4.19 AU - 4.35 AU

Year: 5788 Days

Day: 11.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,937,098 km

• M1: 132,095 km (0.036 R)
• M2: 486,941 km (0.1 R)
• M3: 2,086,292 km (0.076 R)
• M4: 2,427,824 km (0.045 R)
• M5: 2,861,658 km (0.055 R)
• M6: 4,433,333 km (0.026 R)
• M7: 5,307,134 km (0.101 R)
• M8: 5,740,669 km (0.085 R)
• M9: 7,752,610 km (0.085 R)
• M10: 8,581,981 km (0.111 R)
• M11: 11,473,558 km (0.081 R)
• M12: 12,150,937 km (0.08 R)
• M13: 14,959,338 km (0.05 R)
• M14: 17,598,544 km (0.092 R)
• M15: 18,565,096 km (0.107 R)
• M16: 19,094,971 km (0.059 R)
• M17: 20,957,764 km (0.11 R)
• M18: 21,532,220 km (0.075 R)
• M19: 25,688,498 km (0.109 R)
• M20: 27,354,719 km (0.105 R)
• M21: 30,077,998 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.4

Radius: 9.4

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.59 AU - 5.83 AU

Year: 7801 Days

Day: 11.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,937,098 km

• M1: 116,836 km (0.086 R)
• M2: 537,505 km (0.106 R)
• M3: 1,050,177 km (0.051 R)
• M4: 1,541,756 km (0.116 R)
• M5: 1,959,583 km (0.079 R)
• M6: 3,024,869 km (0.106 R)
• M7: 3,382,408 km (0.051 R)
• M8: 4,850,561 km (0.12 R)
• M9: 6,275,930 km (0.045 R)
• M10: 7,347,649 km (0.118 R)
• M11: 7,927,191 km (0.101 R)
• M12: 9,971,895 km (0.051 R)
• M13: 10,470,056 km (0.116 R)
• M14: 11,292,844 km (0.026 R)
• M15: 12,726,740 km (0.116 R)
• M16: 15,072,733 km (0.119 R)
• M17: 15,952,369 km (0.112 R)
• M18: 17,513,572 km (0.102 R)
• M19: 19,237,688 km (0.078 R)
• M20: 23,890,780 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331

Radius: 6.1

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 6.66 AU - 8.84 AU

Year: 14153 Days

Day: 25 Hours

Environment

Temp: -233 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,937,098 km

• M1: 75,846 km (0.067 R)
• M2: 292,464 km (0.111 R)
• M3: 520,601 km (0.072 R)
• M4: 879,486 km (0.048 R)
• M5: 1,354,010 km (0.112 R)
• M6: 1,598,154 km (0.102 R)
• M7: 2,036,775 km (0.101 R)
• M8: 2,359,009 km (0.103 R)
• M9: 2,862,406 km (0.047 R)
• M10: 4,835,602 km (0.049 R)
• M11: 5,181,472 km (0.093 R)
• M12: 7,004,621 km (0.119 R)
• M13: 7,488,869 km (0.09 R)
• M14: 7,781,333 km (0.087 R)
• M15: 8,345,018 km (0.118 R)
• M16: 9,028,680 km (0.119 R)
• M17: 9,360,189 km (0.092 R)
• M18: 10,403,784 km (0.112 R)
• M19: 12,543,931 km (0.073 R)
• M20: 13,076,499 km (0.096 R)
• M21: 13,685,812 km (0.105 R)
• M22: 13,997,424 km (0.095 R)
• M23: 14,377,702 km (0.044 R)
• M24: 14,635,010 km (0.062 R)
• M25: 15,831,045 km (0.08 R)
• M26: 17,892,953 km (0.117 R)
• M27: 18,643,635 km (0.054 R)
• M28: 24,863,166 km (0.101 R)
• M29: 25,986,945 km (0.12 R)
• M30: 37,300,434 km (0.117 R)
• M31: 46,990,786 km (0.066 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 539.3

Radius: 7.6

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 7.77 AU - 10.27 AU

Year: 17771 Days

Day: 17.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,937,098 km

• M1: 94,845 km (0.119 R)
• M2: 370,255 km (0.07 R)
• M3: 661,372 km (0.037 R)
• M4: 1,274,125 km (0.099 R)
• M5: 2,850,887 km (0.1 R)
• M6: 3,273,650 km (0.077 R)
• M7: 4,729,088 km (0.089 R)
• M8: 4,967,547 km (0.075 R)
• M9: 6,003,363 km (0.062 R)
• M10: 8,495,214 km (0.045 R)
• M11: 9,802,849 km (0.036 R)
• M12: 10,707,168 km (0.1 R)
• M13: 14,596,414 km (0.115 R)
• M14: 16,077,732 km (0.1 R)
• M15: 17,013,018 km (0.11 R)
• M16: 18,399,641 km (0.053 R)
• M17: 18,651,863 km (0.097 R)
• M18: 21,768,435 km (0.101 R)
• M19: 40,197,696 km (0.108 R)
• M20: 51,248,191 km (0.083 R)
• M21: 64,937,145 km (0.109 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 15,953 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit