🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.9

Radius: 15

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.51 AU - 0.83 AU

Year: 385 Days

Day: 8.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,889,686 km

• M1: 186,549 km (0.103 R)
• M2: 668,553 km (0.091 R)
• M3: 1,488,648 km (0.099 R)
• M4: 1,966,614 km (0.068 R)
• M5: 2,455,200 km (0.082 R)
• M6: 3,246,723 km (0.111 R)
• M7: 3,822,824 km (0.045 R)
• M8: 4,624,669 km (0.062 R)
• M9: 5,293,969 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.2

Radius: 8.6

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.81 AU - 0.99 AU

Year: 600 Days

Day: 11.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,889,686 km

• M1: 106,962 km (0.093 R)
• M2: 541,544 km (0.074 R)
• M3: 881,431 km (0.091 R)
• M4: 1,275,322 km (0.114 R)
• M5: 1,586,186 km (0.069 R)
• M6: 2,090,331 km (0.119 R)
• M7: 2,483,175 km (0.094 R)
• M8: 2,790,898 km (0.097 R)
• M9: 3,247,770 km (0.103 R)
• M10: 3,662,156 km (0.073 R)
• M11: 4,298,844 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.4

Radius: 12.8

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.5 AU - 1.8 AU

Year: 1490 Days

Day: 11.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,889,686 km

• M1: 159,471 km (0.086 R)
• M2: 600,935 km (0.107 R)
• M3: 1,108,221 km (0.092 R)
• M4: 1,882,390 km (0.11 R)
• M5: 2,666,881 km (0.079 R)
• M6: 3,378,070 km (0.061 R)
• M7: 3,920,212 km (0.117 R)
• M8: 5,009,285 km (0.113 R)
• M9: 5,556,514 km (0.109 R)
• M10: 6,119,301 km (0.113 R)
• M11: 6,668,325 km (0.071 R)
• M12: 7,414,669 km (0.045 R)
• M13: 9,201,466 km (0.088 R)
• M14: 11,894,975 km (0.092 R)
• M15: 13,114,946 km (0.084 R)
• M16: 14,942,883 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.6

Radius: 8.8

Gravity: 8.71 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.98 AU - 2 AU

Year: 1973 Days

Day: 11.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,889,686 km

• M1: 109,506 km (0.062 R)
• M2: 534,364 km (0.055 R)
• M3: 1,592,021 km (0.069 R)
• M4: 2,201,781 km (0.111 R)
• M5: 3,577,184 km (0.094 R)
• M6: 4,518,304 km (0.106 R)
• M7: 5,452,543 km (0.116 R)
• M8: 6,406,379 km (0.073 R)
• M9: 9,255,919 km (0.078 R)
• M10: 10,356,661 km (0.115 R)
• M11: 11,162,395 km (0.07 R)
• M12: 11,503,777 km (0.118 R)
• M13: 15,035,484 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.8

Radius: 13.6

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.5 AU - 2.52 AU

Year: 2795 Days

Day: 6.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,889,686 km

• M1: 169,195 km (0.119 R)
• M2: 652,097 km (0.05 R)
• M3: 1,458,130 km (0.108 R)
• M4: 1,912,758 km (0.075 R)
• M5: 2,690,667 km (0.116 R)
• M6: 3,189,277 km (0.069 R)
• M7: 5,266,892 km (0.074 R)
• M8: 5,809,933 km (0.036 R)
• M9: 8,401,117 km (0.117 R)
• M10: 9,402,226 km (0.114 R)
• M11: 9,854,909 km (0.09 R)
• M12: 10,282,759 km (0.093 R)
• M13: 11,598,622 km (0.07 R)
• M14: 12,431,433 km (0.106 R)
• M15: 13,827,032 km (0.088 R)
• M16: 16,113,187 km (0.112 R)
• M17: 17,262,098 km (0.116 R)
• M18: 18,406,223 km (0.094 R)
• M19: 19,116,663 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.7

Radius: 11.8

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4 AU - 5.16 AU

Year: 6890 Days

Day: 9.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,889,686 km

• M1: 149,897 km (0.114 R)
• M2: 916,287 km (0.108 R)
• M3: 1,328,130 km (0.076 R)
• M4: 1,812,378 km (0.078 R)
• M5: 2,413,462 km (0.087 R)
• M6: 4,473,575 km (0.094 R)
• M7: 4,858,191 km (0.106 R)
• M8: 5,264,947 km (0.056 R)
• M9: 5,694,293 km (0.058 R)
• M10: 7,263,575 km (0.088 R)
• M11: 7,943,647 km (0.069 R)
• M12: 10,958,942 km (0.063 R)
• M13: 11,518,886 km (0.1 R)
• M14: 12,696,222 km (0.107 R)
• M15: 13,261,851 km (0.104 R)
• M16: 14,006,101 km (0.052 R)
• M17: 16,893,040 km (0.106 R)
• M18: 17,958,925 km (0.105 R)
• M19: 18,606,534 km (0.104 R)
• M20: 20,155,321 km (0.112 R)
• M21: 20,643,309 km (0.081 R)
• M22: 22,228,598 km (0.112 R)
• M23: 24,756,503 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 451

Radius: 4.1

Gravity: 26.83 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 6.64 AU - 9.38 AU

Year: 15935 Days

Day: 16.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 56,889,686 km

• M1: 68,067 km (0.115 R)
• M2: 200,312 km (0.085 R)
• M3: 388,057 km (0.115 R)
• M4: 1,120,787 km (0.118 R)
• M5: 1,466,059 km (0.085 R)
• M6: 1,984,266 km (0.084 R)
• M7: 2,446,374 km (0.097 R)
• M8: 2,680,794 km (0.06 R)
• M9: 3,120,911 km (0.076 R)
• M10: 3,997,106 km (0.034 R)
• M11: 4,538,650 km (0.091 R)
• M12: 5,161,725 km (0.108 R)
• M13: 5,952,200 km (0.119 R)
• M14: 8,275,754 km (0.082 R)
• M15: 8,465,145 km (0.11 R)
• M16: 8,951,338 km (0.108 R)
• M17: 9,611,065 km (0.119 R)
• M18: 9,767,843 km (0.042 R)
• M19: 11,843,514 km (0.116 R)
• M20: 12,575,347 km (0.058 R)
• M21: 13,143,519 km (0.116 R)
• M22: 13,531,875 km (0.082 R)
• M23: 17,299,498 km (0.067 R)
• M24: 21,532,220 km (0.116 R)
• M25: 23,553,437 km (0.116 R)
• M26: 25,100,428 km (0.066 R)
• M27: 27,231,899 km (0.117 R)
• M28: 31,966,821 km (0.084 R)
• M29: 34,956,983 km (0.104 R)
• M30: 37,479,503 km (0.114 R)
• M31: 43,166,017 km (0.079 R)
• M32: 44,455,102 km (0.068 R)
• M33: 45,036,140 km (0.111 R)
• M34: 50,024,630 km (0.108 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 12,142 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit