🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.7

Radius: 9.1

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.45 AU - 0.57 AU

Year: 247 Days

Day: 7.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 166.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,461,825 km

• M1: 113,246 km (0.067 R)
• M2: 397,930 km (0.11 R)
• M3: 842,535 km (0.118 R)
• M4: 1,250,937 km (0.12 R)
• M5: 1,573,770 km (0.079 R)
• M6: 2,171,862 km (0.103 R)
• M7: 2,822,164 km (0.089 R)
• M8: 3,303,719 km (0.107 R)
• M9: 3,716,609 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418

Radius: 9.2

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.47 AU - 0.61 AU

Year: 269 Days

Day: 14.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,461,825 km

• M1: 114,442 km (0.098 R)
• M2: 415,732 km (0.103 R)
• M3: 797,357 km (0.09 R)
• M4: 1,090,269 km (0.092 R)
• M5: 1,462,319 km (0.099 R)
• M6: 1,838,408 km (0.101 R)
• M7: 2,188,318 km (0.082 R)
• M8: 2,475,695 km (0.05 R)
• M9: 2,922,843 km (0.086 R)
• M10: 3,292,799 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346

Radius: 10.4

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.63 AU - 0.95 AU

Year: 476 Days

Day: 8.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,461,825 km

• M1: 129,402 km (0.084 R)
• M2: 486,193 km (0.117 R)
• M3: 924,664 km (0.086 R)
• M4: 1,380,489 km (0.08 R)
• M5: 2,157,949 km (0.115 R)
• M6: 2,511,150 km (0.117 R)
• M7: 3,130,036 km (0.111 R)
• M8: 3,470,521 km (0.096 R)
• M9: 3,921,708 km (0.085 R)
• M10: 4,658,178 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.7

Radius: 10.6

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.89 AU - 1.21 AU

Year: 730 Days

Day: 12.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 79 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,461,825 km

• M1: 132,095 km (0.09 R)
• M2: 534,513 km (0.109 R)
• M3: 1,036,264 km (0.09 R)
• M4: 1,396,347 km (0.116 R)
• M5: 1,749,397 km (0.082 R)
• M6: 2,251,448 km (0.107 R)
• M7: 3,110,289 km (0.078 R)
• M8: 3,970,627 km (0.096 R)
• M9: 4,471,480 km (0.108 R)
• M10: 5,013,922 km (0.1 R)
• M11: 5,432,647 km (0.077 R)
• M12: 5,770,439 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.4

Radius: 14.6

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.92 AU - 1.28 AU

Year: 782 Days

Day: 11.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,461,825 km

• M1: 181,612 km (0.114 R)
• M2: 883,076 km (0.113 R)
• M3: 1,459,178 km (0.039 R)
• M4: 2,267,006 km (0.101 R)
• M5: 2,786,260 km (0.093 R)
• M6: 3,411,430 km (0.117 R)
• M7: 3,966,438 km (0.076 R)
• M8: 5,549,782 km (0.071 R)
• M9: 6,261,718 km (0.094 R)
• M10: 6,968,867 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.8

Radius: 11.9

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.24 AU - 1.4 AU

Year: 1029 Days

Day: 7.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,461,825 km

• M1: 149,747 km (0.058 R)
• M2: 532,718 km (0.08 R)
• M3: 903,422 km (0.11 R)
• M4: 1,695,542 km (0.062 R)
• M5: 2,368,583 km (0.109 R)
• M6: 2,786,111 km (0.091 R)
• M7: 3,801,282 km (0.114 R)
• M8: 5,551,727 km (0.1 R)
• M9: 6,316,770 km (0.105 R)
• M10: 7,059,823 km (0.037 R)
• M11: 8,106,858 km (0.106 R)
• M12: 9,118,888 km (0.037 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.2

Radius: 9.2

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.28 AU - 1.92 AU

Year: 1373 Days

Day: 9.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,461,825 km

• M1: 114,442 km (0.083 R)
• M2: 438,172 km (0.115 R)
• M3: 774,019 km (0.113 R)
• M4: 1,068,877 km (0.108 R)
• M5: 1,563,447 km (0.109 R)
• M6: 2,139,100 km (0.104 R)
• M7: 2,672,267 km (0.091 R)
• M8: 4,465,945 km (0.054 R)
• M9: 4,815,256 km (0.09 R)
• M10: 5,303,394 km (0.074 R)
• M11: 5,824,443 km (0.095 R)
• M12: 7,180,099 km (0.11 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.2

Radius: 8.7

Gravity: 10.93 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.9 AU - 1.9 AU

Year: 1776 Days

Day: 5.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,461,825 km

• M1: 108,309 km (0.088 R)
• M2: 413,189 km (0.068 R)
• M3: 689,197 km (0.075 R)
• M4: 980,464 km (0.113 R)
• M5: 1,427,014 km (0.076 R)
• M6: 2,016,280 km (0.104 R)
• M7: 3,201,993 km (0.072 R)
• M8: 3,871,294 km (0.062 R)
• M9: 4,693,334 km (0.112 R)
• M10: 6,443,779 km (0.102 R)
• M11: 7,280,928 km (0.099 R)
• M12: 8,909,600 km (0.111 R)
• M13: 10,731,254 km (0.116 R)
• M14: 12,995,118 km (0.072 R)
• M15: 14,595,217 km (0.096 R)
• M16: 16,129,493 km (0.12 R)

Planet 9 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.1

Radius: 14.7

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.6 AU - 2.46 AU

Year: 1962 Days

Day: 14.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 22,461,825 km

• M1: 183,856 km (0.071 R)
• M2: 656,286 km (0.106 R)
• M3: 1,128,118 km (0.105 R)
• M4: 1,680,582 km (0.118 R)
• M5: 2,651,173 km (0.087 R)
• M6: 3,272,154 km (0.082 R)
• M7: 3,894,332 km (0.106 R)
• M8: 4,489,731 km (0.107 R)
• M9: 5,449,402 km (0.097 R)
• M10: 6,016,677 km (0.072 R)
• M11: 8,209,931 km (0.076 R)
• M12: 9,194,584 km (0.087 R)
• M13: 10,146,775 km (0.098 R)
• M14: 11,398,759 km (0.033 R)
• M15: 12,414,080 km (0.057 R)
• M16: 13,181,816 km (0.09 R)
• M17: 14,208,806 km (0.073 R)
• M18: 15,001,674 km (0.073 R)

Asteroid Belt

Center: 2.3 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.7

Radius: 14.6

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.17 AU - 2.97 AU

Year: 2794 Days

Day: 13.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,461,825 km

• M1: 182,061 km (0.096 R)
• M2: 1,282,951 km (0.085 R)
• M3: 2,630,230 km (0.103 R)
• M4: 3,207,229 km (0.114 R)
• M5: 3,949,384 km (0.118 R)
• M6: 5,832,671 km (0.082 R)
• M7: 8,359,828 km (0.116 R)
• M8: 10,714,050 km (0.083 R)
• M9: 12,066,115 km (0.073 R)
• M10: 12,601,526 km (0.04 R)
• M11: 13,246,143 km (0.079 R)
• M12: 13,816,261 km (0.091 R)
• M13: 14,601,650 km (0.063 R)
• M14: 16,916,078 km (0.075 R)
• M15: 18,218,777 km (0.091 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 13,868 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit