🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.5

Radius: 9.1

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.56 AU - 0.64 AU

Year: 321 Days

Day: 13.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 59,394,543 km

• M1: 113,694 km (0.061 R)
• M2: 477,965 km (0.035 R)
• M3: 951,442 km (0.08 R)
• M4: 1,709,604 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.4

Radius: 15

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.74 AU - 0.96 AU

Year: 541 Days

Day: 11.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,394,543 km

• M1: 190,438 km (0.102 R)
• M2: 823,237 km (0.114 R)
• M3: 1,321,996 km (0.063 R)
• M4: 1,918,443 km (0.078 R)
• M5: 2,434,107 km (0.095 R)
• M6: 2,973,108 km (0.083 R)
• M7: 4,650,998 km (0.081 R)
• M8: 5,525,846 km (0.097 R)
• M9: 6,041,061 km (0.081 R)
• M10: 7,147,337 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.7

Radius: 9.9

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.09 AU - 1.31 AU

Year: 907 Days

Day: 5.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,394,543 km

• M1: 123,418 km (0.107 R)
• M2: 450,589 km (0.11 R)
• M3: 773,421 km (0.106 R)
• M4: 1,099,993 km (0.087 R)
• M5: 1,434,943 km (0.118 R)
• M6: 2,048,444 km (0.064 R)
• M7: 2,483,923 km (0.097 R)
• M8: 2,980,588 km (0.114 R)
• M9: 3,484,434 km (0.058 R)
• M10: 4,140,869 km (0.119 R)
• M11: 4,859,388 km (0.094 R)
• M12: 5,344,384 km (0.118 R)
• M13: 6,048,242 km (0.101 R)
• M14: 7,277,488 km (0.088 R)
• M15: 7,615,429 km (0.092 R)
• M16: 8,219,206 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.1

Radius: 8.6

Gravity: 12.55 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.49 AU - 1.53 AU

Year: 1281 Days

Day: 10.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,394,543 km

• M1: 106,962 km (0.073 R)
• M2: 505,192 km (0.116 R)
• M3: 834,756 km (0.07 R)
• M4: 1,261,409 km (0.093 R)
• M5: 1,585,588 km (0.096 R)
• M6: 2,367,985 km (0.076 R)
• M7: 2,756,191 km (0.113 R)
• M8: 3,141,705 km (0.12 R)
• M9: 3,434,169 km (0.107 R)
• M10: 3,968,233 km (0.069 R)
• M11: 4,712,483 km (0.095 R)
• M12: 6,116,159 km (0.089 R)
• M13: 6,599,211 km (0.075 R)
• M14: 7,107,544 km (0.05 R)
• M15: 7,478,697 km (0.115 R)
• M16: 8,405,007 km (0.03 R)
• M17: 9,595,955 km (0.117 R)
• M18: 9,918,638 km (0.056 R)
• M19: 10,248,651 km (0.087 R)
• M20: 11,141,002 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.4

Radius: 14.6

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.49 AU - 1.87 AU

Year: 1503 Days

Day: 12.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,394,543 km

• M1: 181,612 km (0.096 R)
• M2: 655,089 km (0.044 R)
• M3: 1,123,929 km (0.109 R)
• M4: 1,589,477 km (0.114 R)
• M5: 2,052,184 km (0.066 R)
• M6: 3,230,267 km (0.083 R)
• M7: 3,970,178 km (0.076 R)
• M8: 4,524,737 km (0.089 R)
• M9: 5,837,010 km (0.101 R)
• M10: 6,733,550 km (0.119 R)
• M11: 7,309,053 km (0.087 R)
• M12: 8,002,738 km (0.073 R)
• M13: 8,529,173 km (0.065 R)
• M14: 9,980,721 km (0.078 R)
• M15: 11,048,102 km (0.116 R)
• M16: 11,517,989 km (0.112 R)
• M17: 14,112,764 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.5

Radius: 9.8

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.95 AU - 2.11 AU

Year: 1996 Days

Day: 8.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,394,543 km

• M1: 121,922 km (0.032 R)
• M2: 491,728 km (0.113 R)
• M3: 830,418 km (0.117 R)
• M4: 1,245,552 km (0.098 R)
• M5: 1,640,640 km (0.078 R)
• M6: 2,925,237 km (0.114 R)
• M7: 3,257,494 km (0.109 R)
• M8: 3,579,877 km (0.088 R)
• M9: 5,134,648 km (0.116 R)
• M10: 6,766,910 km (0.116 R)
• M11: 7,583,714 km (0.087 R)
• M12: 8,308,217 km (0.117 R)
• M13: 9,111,258 km (0.108 R)
• M14: 9,790,283 km (0.119 R)
• M15: 10,357,558 km (0.093 R)
• M16: 11,249,311 km (0.092 R)
• M17: 11,557,632 km (0.068 R)
• M18: 11,990,868 km (0.084 R)
• M19: 12,557,844 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.5

Radius: 13.6

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.89 AU - 2.31 AU

Year: 2101 Days

Day: 8.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,394,543 km

• M1: 169,195 km (0.119 R)
• M2: 706,401 km (0.063 R)
• M3: 1,186,012 km (0.051 R)
• M4: 1,641,089 km (0.055 R)
• M5: 2,292,737 km (0.098 R)
• M6: 2,784,316 km (0.099 R)
• M7: 3,664,400 km (0.105 R)
• M8: 4,160,317 km (0.042 R)
• M9: 4,832,460 km (0.079 R)
• M10: 5,873,960 km (0.105 R)
• M11: 6,749,557 km (0.099 R)
• M12: 7,350,940 km (0.093 R)
• M13: 7,802,127 km (0.112 R)
• M14: 8,727,390 km (0.113 R)
• M15: 9,760,214 km (0.102 R)
• M16: 10,269,445 km (0.106 R)
• M17: 11,904,400 km (0.113 R)
• M18: 12,486,186 km (0.09 R)
• M19: 14,626,333 km (0.101 R)
• M20: 15,439,996 km (0.034 R)
• M21: 16,132,634 km (0.112 R)
• M22: 18,499,721 km (0.057 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.5

Radius: 12.6

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.23 AU - 2.79 AU

Year: 2745 Days

Day: 8.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,394,543 km

• M1: 156,779 km (0.068 R)
• M2: 1,127,818 km (0.079 R)
• M3: 2,329,239 km (0.108 R)
• M4: 4,540,595 km (0.086 R)
• M5: 5,572,820 km (0.103 R)
• M6: 6,036,723 km (0.096 R)
• M7: 7,530,607 km (0.034 R)
• M8: 9,068,025 km (0.041 R)
• M9: 9,580,846 km (0.074 R)
• M10: 14,493,939 km (0.1 R)

Planet 9 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.1

Radius: 8.6

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.89 AU - 2.97 AU

Year: 3462 Days

Day: 8 Hours

Environment

Temp: -213 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,394,543 km

• M1: 106,962 km (0.102 R)
• M2: 394,789 km (0.108 R)
• M3: 882,328 km (0.039 R)
• M4: 2,279,423 km (0.103 R)
• M5: 2,895,467 km (0.029 R)
• M6: 4,043,032 km (0.115 R)
• M7: 8,110,598 km (0.092 R)
• M8: 9,461,766 km (0.12 R)
• M9: 12,740,203 km (0.117 R)
• M10: 13,966,457 km (0.102 R)
• M11: 14,309,784 km (0.085 R)
• M12: 16,706,941 km (0.081 R)
• M13: 18,407,270 km (0.091 R)
• M14: 21,041,240 km (0.105 R)
• M15: 21,884,523 km (0.059 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436.1

Radius: 3.4

Gravity: 37.72 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.28 AU - 9.84 AU

Year: 17287 Days

Day: 22.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 59,394,543 km

• M1: 42,336 km (0.105 R)
• M2: 175,777 km (0.12 R)
• M3: 299,345 km (0.098 R)
• M4: 489,185 km (0.072 R)
• M5: 812,616 km (0.056 R)
• M6: 925,861 km (0.073 R)
• M7: 1,879,847 km (0.082 R)
• M8: 2,608,837 km (0.078 R)
• M9: 4,345,968 km (0.04 R)
• M10: 7,961,898 km (0.084 R)
• M11: 9,597,302 km (0.054 R)
• M12: 15,096,220 km (0.099 R)
• M13: 18,869,677 km (0.117 R)
• M14: 19,540,025 km (0.083 R)
• M15: 20,312,997 km (0.036 R)
• M16: 23,705,279 km (0.075 R)
• M17: 25,585,574 km (0.025 R)
• M18: 26,718,479 km (0.113 R)
• M19: 26,927,916 km (0.08 R)
• M20: 28,208,025 km (0.109 R)
• M21: 29,416,477 km (0.068 R)
• M22: 29,752,025 km (0.064 R)
• M23: 32,409,332 km (0.107 R)
• M24: 33,248,426 km (0.089 R)
• M25: 39,396,150 km (0.037 R)
• M26: 48,091,377 km (0.1 R)
• M27: 48,401,344 km (0.072 R)
• M28: 48,712,657 km (0.109 R)
• M29: 49,812,800 km (0.102 R)
• M30: 52,389,474 km (0.114 R)
• M31: 52,717,691 km (0.064 R)
• M32: 55,222,857 km (0.111 R)
• M33: 55,392,651 km (0.082 R)
• M34: 55,562,893 km (0.034 R)
• M35: 59,216,672 km (0.07 R)
• M36: 59,394,543 km (0.099 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 435 - 11,803 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit