🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.7

Radius: 11.3

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.44 AU - 0.62 AU

Year: 271 Days

Day: 6.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,965,151 km

• M1: 140,622 km (0.09 R)
• M2: 599,289 km (0.049 R)
• M3: 1,124,078 km (0.112 R)
• M4: 1,781,112 km (0.034 R)
• M5: 2,218,088 km (0.096 R)
• M6: 2,624,545 km (0.118 R)
• M7: 3,019,633 km (0.111 R)
• M8: 3,566,862 km (0.058 R)
• M9: 4,091,203 km (0.088 R)
• M10: 4,477,913 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.2

Radius: 8.9

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.49 AU - 0.77 AU

Year: 351 Days

Day: 13.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,965,151 km

• M1: 111,600 km (0.112 R)
• M2: 949,498 km (0.069 R)
• M3: 1,579,155 km (0.067 R)
• M4: 1,897,350 km (0.111 R)
• M5: 2,243,220 km (0.043 R)
• M6: 3,110,888 km (0.075 R)
• M7: 3,669,636 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.5

Radius: 8.3

Gravity: 10.44 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.57 AU - 0.93 AU

Year: 457 Days

Day: 14.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,965,151 km

• M1: 103,522 km (0.075 R)
• M2: 415,732 km (0.105 R)
• M3: 759,209 km (0.065 R)
• M4: 1,218,923 km (0.107 R)
• M5: 1,541,008 km (0.051 R)
• M6: 1,977,385 km (0.085 R)
• M7: 2,368,882 km (0.093 R)
• M8: 2,654,614 km (0.106 R)
• M9: 2,963,534 km (0.111 R)
• M10: 3,248,967 km (0.105 R)
• M11: 3,515,251 km (0.075 R)
• M12: 3,996,507 km (0.104 R)
• M13: 4,869,560 km (0.11 R)
• M14: 5,367,721 km (0.107 R)
• M15: 5,672,302 km (0.116 R)

Asteroid Belt

Center: 1.33 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629

Radius: 8

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.46 AU - 2.34 AU

Year: 1841 Days

Day: 14.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 128.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,965,151 km

• M1: 99,483 km (0.093 R)
• M2: 520,301 km (0.104 R)
• M3: 934,388 km (0.079 R)
• M4: 1,392,756 km (0.076 R)
• M5: 1,787,096 km (0.086 R)
• M6: 2,193,254 km (0.111 R)
• M7: 3,254,352 km (0.097 R)
• M8: 4,155,978 km (0.103 R)
• M9: 4,664,910 km (0.096 R)
• M10: 4,955,878 km (0.098 R)
• M11: 5,214,832 km (0.076 R)
• M12: 7,125,347 km (0.106 R)
• M13: 7,825,614 km (0.086 R)
• M14: 8,297,296 km (0.114 R)
• M15: 8,725,445 km (0.048 R)
• M16: 9,725,956 km (0.087 R)
• M17: 12,381,318 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.9

Radius: 11.7

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.92 AU - 2.08 AU

Year: 1988 Days

Day: 12.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,965,151 km

• M1: 145,708 km (0.117 R)
• M2: 605,722 km (0.102 R)
• M3: 1,023,698 km (0.09 R)
• M4: 1,456,335 km (0.071 R)
• M5: 2,345,395 km (0.091 R)
• M6: 2,758,734 km (0.053 R)
• M7: 3,452,420 km (0.074 R)
• M8: 4,116,485 km (0.069 R)
• M9: 4,769,629 km (0.071 R)
• M10: 5,137,789 km (0.094 R)
• M11: 6,245,562 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.7

Radius: 11.1

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.91 AU - 2.91 AU

Year: 2630 Days

Day: 12.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,965,151 km

• M1: 138,677 km (0.116 R)
• M2: 541,095 km (0.108 R)
• M3: 971,040 km (0.047 R)
• M4: 1,363,435 km (0.098 R)
• M5: 1,779,616 km (0.066 R)
• M6: 2,266,707 km (0.083 R)
• M7: 2,619,160 km (0.09 R)
• M8: 3,008,563 km (0.089 R)
• M9: 3,455,412 km (0.114 R)
• M10: 4,134,436 km (0.107 R)
• M11: 4,947,950 km (0.096 R)
• M12: 5,678,436 km (0.106 R)
• M13: 7,385,348 km (0.053 R)
• M14: 9,448,302 km (0.113 R)
• M15: 11,062,463 km (0.115 R)
• M16: 13,037,604 km (0.104 R)
• M17: 13,411,898 km (0.114 R)
• M18: 14,628,278 km (0.11 R)
• M19: 15,032,641 km (0.109 R)
• M20: 15,863,807 km (0.042 R)
• M21: 18,307,638 km (0.112 R)
• M22: 18,955,696 km (0.106 R)
• M23: 21,248,732 km (0.111 R)
• M24: 21,767,837 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.2

Radius: 13.7

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.14 AU - 2.78 AU

Year: 2712 Days

Day: 12.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,965,151 km

• M1: 170,542 km (0.12 R)
• M2: 706,102 km (0.092 R)
• M3: 1,251,087 km (0.109 R)
• M4: 2,370,528 km (0.109 R)
• M5: 2,799,575 km (0.088 R)
• M6: 3,387,494 km (0.097 R)
• M7: 3,876,829 km (0.061 R)
• M8: 4,500,203 km (0.11 R)
• M9: 4,999,411 km (0.053 R)
• M10: 5,791,682 km (0.088 R)
• M11: 6,580,661 km (0.11 R)
• M12: 8,108,504 km (0.119 R)
• M13: 8,678,472 km (0.089 R)
• M14: 9,347,025 km (0.117 R)
• M15: 10,317,466 km (0.116 R)
• M16: 13,310,770 km (0.114 R)
• M17: 14,249,048 km (0.076 R)
• M18: 15,080,812 km (0.105 R)
• M19: 15,996,500 km (0.066 R)
• M20: 16,574,247 km (0.117 R)
• M21: 18,505,406 km (0.093 R)
• M22: 20,767,625 km (0.077 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.5

Radius: 12.7

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.2 AU - 3.28 AU

Year: 3188 Days

Day: 8.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,965,151 km

• M1: 159,920 km (0.104 R)
• M2: 762,052 km (0.112 R)
• M3: 1,234,930 km (0.074 R)
• M4: 1,777,522 km (0.119 R)
• M5: 2,571,737 km (0.058 R)
• M6: 3,607,702 km (0.08 R)
• M7: 4,097,186 km (0.069 R)
• M8: 5,301,001 km (0.06 R)
• M9: 6,084,145 km (0.093 R)
• M10: 6,754,493 km (0.053 R)
• M11: 7,331,343 km (0.08 R)
• M12: 7,851,794 km (0.12 R)
• M13: 9,596,853 km (0.091 R)
• M14: 10,149,916 km (0.103 R)
• M15: 11,358,069 km (0.107 R)
• M16: 12,659,720 km (0.088 R)
• M17: 14,014,777 km (0.075 R)
• M18: 14,547,047 km (0.12 R)
• M19: 15,046,853 km (0.084 R)
• M20: 16,080,874 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 533.5

Radius: 5.6

Gravity: 17.01 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.78 AU - 6.66 AU

Year: 9616 Days

Day: 15 Hours

Environment

Temp: -234 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,965,151 km

• M1: 71,508 km (0.092 R)
• M2: 350,209 km (0.114 R)
• M3: 619,186 km (0.05 R)
• M4: 2,172,759 km (0.119 R)
• M5: 2,856,272 km (0.053 R)
• M6: 3,674,124 km (0.062 R)
• M7: 7,847,456 km (0.114 R)
• M8: 10,744,568 km (0.09 R)
• M9: 11,367,194 km (0.09 R)
• M10: 12,971,033 km (0.027 R)
• M11: 15,036,531 km (0.116 R)
• M12: 15,617,868 km (0.113 R)
• M13: 18,677,593 km (0.112 R)
• M14: 21,218,812 km (0.087 R)
• M15: 22,197,332 km (0.073 R)
• M16: 25,312,857 km (0.08 R)
• M17: 27,163,682 km (0.052 R)
• M18: 30,106,272 km (0.097 R)
• M19: 32,715,259 km (0.084 R)
• M20: 34,461,814 km (0.092 R)
• M21: 35,584,397 km (0.049 R)
• M22: 36,269,555 km (0.101 R)
• M23: 41,817,392 km (0.08 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 14,167 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit