🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.6

Radius: 10.8

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.51 AU - 0.73 AU

Year: 343 Days

Day: 14.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 11,457,231 km

• M1: 134,339 km (0.052 R)
• M2: 507,735 km (0.115 R)
• M3: 956,230 km (0.074 R)
• M4: 1,446,611 km (0.089 R)
• M5: 1,838,707 km (0.065 R)
• M6: 2,319,365 km (0.116 R)
• M7: 2,656,559 km (0.049 R)
• M8: 3,154,271 km (0.047 R)
• M9: 4,271,019 km (0.075 R)
• M10: 4,912,794 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.9

Radius: 13

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.96 AU - 0.98 AU

Year: 672 Days

Day: 10.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 11,457,231 km

• M1: 162,014 km (0.071 R)
• M2: 634,445 km (0.07 R)
• M3: 1,065,586 km (0.073 R)
• M4: 1,623,586 km (0.113 R)
• M5: 2,094,520 km (0.11 R)
• M6: 2,824,408 km (0.096 R)
• M7: 3,422,799 km (0.085 R)
• M8: 3,886,702 km (0.049 R)
• M9: 4,694,381 km (0.112 R)
• M10: 5,740,669 km (0.067 R)
• M11: 6,240,026 km (0.109 R)
• M12: 7,504,128 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.7

Radius: 14.9

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.87 AU - 1.11 AU

Year: 692 Days

Day: 6.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 11,457,231 km

• M1: 185,352 km (0.091 R)
• M2: 685,009 km (0.029 R)
• M3: 1,154,447 km (0.093 R)
• M4: 1,738,028 km (0.047 R)
• M5: 2,384,291 km (0.063 R)
• M6: 3,401,706 km (0.119 R)
• M7: 3,910,040 km (0.113 R)
• M8: 4,483,897 km (0.068 R)
• M9: 4,954,831 km (0.108 R)
• M10: 6,234,042 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.1

Radius: 10.5

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.83 AU - 1.21 AU

Year: 724 Days

Day: 7.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 11,457,231 km

• M1: 130,599 km (0.075 R)
• M2: 485,595 km (0.07 R)
• M3: 846,425 km (0.117 R)
• M4: 1,219,971 km (0.066 R)
• M5: 1,688,810 km (0.11 R)
• M6: 2,186,971 km (0.09 R)
• M7: 2,690,368 km (0.097 R)
• M8: 3,105,053 km (0.067 R)
• M9: 3,521,384 km (0.12 R)
• M10: 3,886,852 km (0.116 R)
• M11: 4,596,245 km (0.061 R)
• M12: 5,389,712 km (0.093 R)
• M13: 5,724,063 km (0.088 R)
• M14: 6,171,660 km (0.108 R)
• M15: 6,811,640 km (0.081 R)
• M16: 7,633,082 km (0.075 R)

Asteroid Belt

Center: 1.57 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.2

Radius: 8.3

Gravity: 9.51 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.66 AU - 2.58 AU

Year: 2170 Days

Day: 9.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 11,457,231 km

• M1: 103,372 km (0.107 R)
• M2: 394,340 km (0.099 R)
• M3: 663,915 km (0.098 R)
• M4: 1,742,366 km (0.045 R)
• M5: 2,514,142 km (0.068 R)
• M6: 2,846,997 km (0.069 R)
• M7: 3,292,051 km (0.09 R)
• M8: 3,969,430 km (0.111 R)
• M9: 4,954,083 km (0.045 R)
• M10: 5,720,024 km (0.066 R)
• M11: 7,140,157 km (0.12 R)
• M12: 7,514,451 km (0.119 R)
• M13: 8,428,494 km (0.061 R)
• M14: 9,312,767 km (0.1 R)
• M15: 10,113,564 km (0.116 R)
• M16: 11,035,386 km (0.031 R)
• M17: 12,214,217 km (0.032 R)
• M18: 13,087,869 km (0.062 R)
• M19: 13,913,649 km (0.095 R)
• M20: 15,099,362 km (0.083 R)
• M21: 15,668,731 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.1

Radius: 11

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2 AU - 3.22 AU

Year: 2964 Days

Day: 7.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 11,457,231 km

• M1: 136,882 km (0.108 R)
• M2: 539,151 km (0.092 R)
• M3: 1,253,780 km (0.074 R)
• M4: 2,043,058 km (0.087 R)
• M5: 2,510,701 km (0.099 R)
• M6: 3,084,110 km (0.111 R)
• M7: 3,545,769 km (0.056 R)
• M8: 4,095,840 km (0.099 R)
• M9: 4,493,770 km (0.106 R)
• M10: 5,089,170 km (0.105 R)
• M11: 5,899,990 km (0.091 R)
• M12: 6,438,244 km (0.104 R)
• M13: 6,794,885 km (0.089 R)
• M14: 7,613,185 km (0.078 R)
• M15: 8,286,226 km (0.086 R)
• M16: 8,744,744 km (0.09 R)
• M17: 9,790,133 km (0.055 R)
• M18: 10,262,863 km (0.058 R)
• M19: 10,627,433 km (0.042 R)
• M20: 11,468,472 km (0.089 R)
• M21: 11,949,728 km (0.09 R)
• M22: 16,573,350 km (0.109 R)
• M23: 17,245,643 km (0.108 R)
• M24: 19,495,146 km (0.095 R)
• M25: 20,948,040 km (0.101 R)
• M26: 21,338,640 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.7

Radius: 13.2

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.87 AU - 3.03 AU

Year: 3562 Days

Day: 13.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 11,457,231 km

• M1: 164,857 km (0.071 R)
• M2: 656,136 km (0.084 R)
• M3: 1,501,065 km (0.098 R)
• M4: 2,358,859 km (0.089 R)
• M5: 3,179,254 km (0.093 R)
• M6: 4,182,308 km (0.093 R)
• M7: 4,794,462 km (0.095 R)
• M8: 5,307,134 km (0.089 R)
• M9: 8,228,930 km (0.078 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.4

Radius: 13.4

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.61 AU - 3.47 AU

Year: 3726 Days

Day: 14.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 11,457,231 km

• M1: 166,652 km (0.079 R)
• M2: 727,345 km (0.033 R)
• M3: 1,217,727 km (0.115 R)
• M4: 2,442,036 km (0.098 R)
• M5: 3,076,031 km (0.094 R)
• M6: 3,652,582 km (0.093 R)
• M7: 4,323,528 km (0.073 R)
• M8: 5,970,002 km (0.111 R)
• M9: 7,556,338 km (0.108 R)
• M10: 8,797,402 km (0.093 R)
• M11: 9,252,927 km (0.101 R)
• M12: 12,093,043 km (0.107 R)
• M13: 12,561,883 km (0.114 R)
• M14: 13,486,248 km (0.111 R)
• M15: 15,253,148 km (0.091 R)
• M16: 16,475,812 km (0.083 R)
• M17: 21,002,793 km (0.064 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60

Radius: 13.4

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.04 AU - 3.28 AU

Year: 3949 Days

Day: 10.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 11,457,231 km

• M1: 166,652 km (0.082 R)
• M2: 693,386 km (0.081 R)
• M3: 1,154,896 km (0.05 R)
• M4: 2,034,830 km (0.092 R)
• M5: 2,473,750 km (0.106 R)
• M6: 3,003,327 km (0.075 R)
• M7: 3,973,319 km (0.074 R)
• M8: 5,261,208 km (0.11 R)
• M9: 6,622,399 km (0.091 R)
• M10: 7,273,149 km (0.108 R)
• M11: 8,019,343 km (0.114 R)
• M12: 9,073,709 km (0.109 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: 434 - 11,595 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit