🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.9

Radius: 9.3

Gravity: 10.12 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.51 AU - 0.53 AU

Year: 250 Days

Day: 10.1 Hours

Environment

Temp: -132 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,825,264 km

• M1: 115,789 km (0.106 R)
• M2: 407,654 km (0.072 R)
• M3: 778,956 km (0.103 R)
• M4: 1,214,286 km (0.107 R)
• M5: 1,507,947 km (0.089 R)
• M6: 1,935,647 km (0.068 R)
• M7: 2,227,064 km (0.119 R)
• M8: 2,583,406 km (0.088 R)
• M9: 2,889,932 km (0.103 R)
• M10: 3,252,258 km (0.054 R)
• M11: 3,610,993 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.7

Radius: 13.6

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.48 AU - 0.62 AU

Year: 272 Days

Day: 11.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 21,825,264 km

• M1: 169,195 km (0.083 R)
• M2: 612,005 km (0.106 R)
• M3: 1,096,104 km (0.115 R)
• M4: 1,596,658 km (0.094 R)
• M5: 2,058,018 km (0.072 R)
• M6: 2,829,195 km (0.113 R)
• M7: 3,576,735 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.3

Radius: 9

Gravity: 11.32 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.5 AU - 0.6 AU

Year: 272 Days

Day: 14.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,825,264 km

• M1: 111,899 km (0.119 R)
• M2: 482,902 km (0.113 R)
• M3: 779,555 km (0.102 R)
• M4: 1,070,373 km (0.078 R)
• M5: 1,423,274 km (0.092 R)
• M6: 1,719,478 km (0.074 R)
• M7: 2,128,329 km (0.116 R)
• M8: 2,412,714 km (0.092 R)
• M9: 2,694,407 km (0.085 R)
• M10: 3,379,565 km (0.065 R)
• M11: 3,721,995 km (0.118 R)
• M12: 4,025,080 km (0.105 R)
• M13: 4,437,222 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.2

Radius: 8.4

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.5 AU - 0.68 AU

Year: 302 Days

Day: 7.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 21,825,264 km

• M1: 104,868 km (0.084 R)
• M2: 496,366 km (0.104 R)
• M3: 763,697 km (0.032 R)
• M4: 1,037,162 km (0.111 R)
• M5: 1,413,550 km (0.098 R)
• M6: 2,088,536 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.6

Radius: 13.4

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.47 AU - 0.75 AU

Year: 318 Days

Day: 10.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 21,825,264 km

• M1: 166,652 km (0.115 R)
• M2: 594,203 km (0.119 R)
• M3: 1,665,473 km (0.116 R)
• M4: 2,189,066 km (0.108 R)
• M5: 2,944,086 km (0.078 R)
• M6: 3,685,942 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.4

Radius: 13.8

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.77 AU - 1.15 AU

Year: 627 Days

Day: 8.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 21,825,264 km

• M1: 171,738 km (0.114 R)
• M2: 718,219 km (0.114 R)
• M3: 1,461,272 km (0.1 R)
• M4: 1,929,065 km (0.115 R)
• M5: 3,167,735 km (0.07 R)
• M6: 3,868,152 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.6

Radius: 10

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.19 AU - 1.25 AU

Year: 899 Days

Day: 13 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,825,264 km

• M1: 124,316 km (0.11 R)
• M2: 465,100 km (0.072 R)
• M3: 1,017,116 km (0.111 R)
• M4: 1,357,301 km (0.094 R)
• M5: 2,882,302 km (0.112 R)
• M6: 3,492,661 km (0.093 R)
• M7: 4,271,318 km (0.092 R)
• M8: 4,800,745 km (0.077 R)
• M9: 5,258,515 km (0.098 R)
• M10: 6,134,560 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.2

Radius: 11.9

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.56 AU - 1.8 AU

Year: 1452 Days

Day: 14.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 21,825,264 km

• M1: 147,952 km (0.039 R)
• M2: 566,078 km (0.104 R)
• M3: 950,545 km (0.107 R)
• M4: 1,475,035 km (0.111 R)
• M5: 2,224,072 km (0.094 R)
• M6: 3,273,201 km (0.119 R)
• M7: 3,789,464 km (0.116 R)
• M8: 4,607,465 km (0.063 R)
• M9: 5,069,124 km (0.036 R)
• M10: 5,517,469 km (0.117 R)
• M11: 5,969,105 km (0.116 R)
• M12: 6,972,607 km (0.107 R)
• M13: 7,637,869 km (0.066 R)
• M14: 8,228,930 km (0.093 R)
• M15: 8,759,554 km (0.094 R)
• M16: 9,727,153 km (0.102 R)
• M17: 10,729,907 km (0.096 R)

Planet 9 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.8

Radius: 11.7

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.41 AU - 2.81 AU

Year: 2812 Days

Day: 11.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 21,825,264 km

• M1: 145,559 km (0.089 R)
• M2: 514,766 km (0.113 R)
• M3: 921,224 km (0.098 R)
• M4: 1,420,731 km (0.109 R)
• M5: 1,815,969 km (0.104 R)
• M6: 2,835,179 km (0.099 R)
• M7: 3,380,762 km (0.063 R)
• M8: 3,874,734 km (0.094 R)
• M9: 4,244,690 km (0.098 R)
• M10: 4,615,842 km (0.063 R)
• M11: 5,398,838 km (0.112 R)
• M12: 6,158,196 km (0.114 R)
• M13: 6,957,647 km (0.054 R)
• M14: 7,760,689 km (0.06 R)
• M15: 8,659,024 km (0.087 R)
• M16: 9,925,071 km (0.083 R)
• M17: 14,171,855 km (0.048 R)
• M18: 14,807,197 km (0.119 R)
• M19: 16,451,876 km (0.059 R)
• M20: 16,881,521 km (0.077 R)
• M21: 18,101,642 km (0.08 R)
• M22: 18,733,244 km (0.095 R)
• M23: 19,142,843 km (0.097 R)

Planet 10 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.7

Radius: 10.8

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.64 AU - 3.64 AU

Year: 3710 Days

Day: 5.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 21,825,264 km

• M1: 134,339 km (0.08 R)
• M2: 524,490 km (0.04 R)
• M3: 1,064,239 km (0.111 R)
• M4: 1,421,030 km (0.064 R)
• M5: 1,846,935 km (0.106 R)
• M6: 2,204,624 km (0.109 R)
• M7: 2,813,338 km (0.081 R)
• M8: 4,025,828 km (0.09 R)
• M9: 6,484,469 km (0.08 R)
• M10: 8,400,220 km (0.07 R)
• M11: 8,888,357 km (0.076 R)
• M12: 9,395,494 km (0.117 R)
• M13: 9,807,188 km (0.111 R)
• M14: 10,828,791 km (0.077 R)
• M15: 11,198,448 km (0.106 R)
• M16: 12,006,725 km (0.067 R)
• M17: 15,374,323 km (0.088 R)
• M18: 15,789,457 km (0.083 R)
• M19: 17,301,742 km (0.083 R)
• M20: 18,265,750 km (0.086 R)
• M21: 19,325,053 km (0.097 R)
• M22: 19,687,229 km (0.098 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 472 - 18,975 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit