🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.8 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.4

Radius: 8.1

Gravity: 13.85 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.51 AU - 1.67 AU

Year: 1360 Days

Day: 9.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,448,859 km

• M1: 101,577 km (0.115 R)
• M2: 455,675 km (0.073 R)
• M3: 740,360 km (0.067 R)
• M4: 1,019,061 km (0.075 R)
• M5: 1,335,460 km (0.113 R)
• M6: 1,717,234 km (0.085 R)
• M7: 2,182,334 km (0.12 R)
• M8: 2,728,964 km (0.115 R)
• M9: 2,983,580 km (0.052 R)
• M10: 3,285,319 km (0.1 R)
• M11: 3,541,281 km (0.088 R)
• M12: 3,793,204 km (0.053 R)
• M13: 4,701,861 km (0.11 R)
• M14: 5,196,731 km (0.087 R)
• M15: 5,545,443 km (0.09 R)
• M16: 5,980,025 km (0.117 R)
• M17: 6,314,526 km (0.11 R)
• M18: 6,891,226 km (0.11 R)
• M19: 7,584,911 km (0.099 R)
• M20: 8,294,903 km (0.101 R)
• M21: 9,048,577 km (0.09 R)
• M22: 11,221,037 km (0.118 R)
• M23: 12,563,080 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.2

Radius: 13.2

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.34 AU - 1.98 AU

Year: 1451 Days

Day: 8.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,448,859 km

• M1: 164,109 km (0.103 R)
• M2: 779,704 km (0.028 R)
• M3: 1,368,372 km (0.025 R)
• M4: 1,786,498 km (0.09 R)
• M5: 2,337,168 km (0.113 R)
• M6: 2,946,031 km (0.073 R)
• M7: 3,883,112 km (0.113 R)
• M8: 4,932,541 km (0.06 R)
• M9: 5,451,646 km (0.039 R)
• M10: 5,897,298 km (0.099 R)
• M11: 6,838,418 km (0.095 R)
• M12: 7,718,801 km (0.09 R)
• M13: 8,337,538 km (0.051 R)
• M14: 8,873,547 km (0.067 R)
• M15: 11,455,756 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.8

Radius: 9.9

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.11 AU - 2.11 AU

Year: 2079 Days

Day: 12.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,448,859 km

• M1: 123,269 km (0.099 R)
• M2: 456,872 km (0.101 R)
• M3: 1,030,729 km (0.052 R)
• M4: 1,483,113 km (0.078 R)
• M5: 2,358,560 km (0.099 R)
• M6: 2,736,444 km (0.037 R)
• M7: 3,154,570 km (0.056 R)
• M8: 3,719,601 km (0.086 R)
• M9: 4,549,570 km (0.118 R)
• M10: 5,073,462 km (0.066 R)
• M11: 8,078,135 km (0.087 R)
• M12: 8,689,841 km (0.106 R)
• M13: 9,766,347 km (0.1 R)
• M14: 11,792,950 km (0.109 R)
• M15: 12,945,901 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.9

Radius: 14.5

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.2 AU - 2.76 AU

Year: 2649 Days

Day: 9.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,448,859 km

• M1: 182,958 km (0.101 R)
• M2: 694,882 km (0.073 R)
• M3: 1,242,710 km (0.096 R)
• M4: 1,782,459 km (0.12 R)
• M5: 2,436,351 km (0.114 R)
• M6: 3,500,141 km (0.115 R)
• M7: 4,149,247 km (0.031 R)
• M8: 5,742,763 km (0.119 R)
• M9: 6,736,841 km (0.086 R)
• M10: 7,778,491 km (0.093 R)
• M11: 10,892,221 km (0.087 R)
• M12: 11,594,284 km (0.102 R)
• M13: 12,326,266 km (0.105 R)
• M14: 13,693,142 km (0.083 R)
• M15: 14,907,577 km (0.104 R)
• M16: 17,439,222 km (0.078 R)
• M17: 18,057,660 km (0.112 R)
• M18: 19,879,313 km (0.101 R)

Asteroid Belt

Center: 3.31 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.1

Radius: 10.1

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.59 AU - 4.69 AU

Year: 5713 Days

Day: 10.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 88.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,448,859 km

• M1: 126,261 km (0.107 R)
• M2: 604,226 km (0.052 R)
• M3: 1,030,430 km (0.1 R)
• M4: 1,493,286 km (0.082 R)
• M5: 1,914,254 km (0.048 R)
• M6: 2,297,524 km (0.035 R)
• M7: 2,979,092 km (0.08 R)
• M8: 3,766,874 km (0.045 R)
• M9: 4,581,584 km (0.107 R)
• M10: 4,960,965 km (0.115 R)
• M11: 5,390,759 km (0.075 R)
• M12: 6,292,535 km (0.116 R)
• M13: 6,831,387 km (0.062 R)
• M14: 8,117,779 km (0.049 R)
• M15: 9,046,782 km (0.088 R)
• M16: 9,472,238 km (0.119 R)
• M17: 10,317,466 km (0.061 R)
• M18: 14,320,705 km (0.11 R)
• M19: 19,605,399 km (0.096 R)
• M20: 21,571,415 km (0.028 R)
• M21: 21,949,448 km (0.075 R)
• M22: 22,718,681 km (0.069 R)
• M23: 23,745,520 km (0.053 R)
• M24: 24,885,606 km (0.048 R)
• M25: 31,042,755 km (0.12 R)
• M26: 33,503,341 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.7

Radius: 8.8

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.1 AU - 4.42 AU

Year: 5964 Days

Day: 5.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,448,859 km

• M1: 111,301 km (0.08 R)
• M2: 409,300 km (0.075 R)
• M3: 1,052,571 km (0.04 R)
• M4: 1,482,365 km (0.082 R)
• M5: 2,697,250 km (0.058 R)
• M6: 3,104,305 km (0.09 R)
• M7: 3,813,699 km (0.115 R)
• M8: 5,815,767 km (0.035 R)
• M9: 7,582,518 km (0.096 R)
• M10: 7,908,491 km (0.107 R)
• M11: 8,395,732 km (0.111 R)
• M12: 14,817,220 km (0.026 R)
• M13: 15,967,329 km (0.082 R)
• M14: 17,802,446 km (0.091 R)
• M15: 24,379,666 km (0.063 R)
• M16: 25,897,785 km (0.057 R)
• M17: 29,386,707 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 238.5

Radius: 6.7

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.51 AU - 6.89 AU

Year: 9230 Days

Day: 23.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,448,859 km

• M1: 83,476 km (0.084 R)
• M2: 593,604 km (0.043 R)
• M3: 821,442 km (0.107 R)
• M4: 1,098,946 km (0.119 R)
• M5: 1,485,806 km (0.11 R)
• M6: 3,857,381 km (0.107 R)
• M7: 6,598,313 km (0.1 R)
• M8: 9,166,610 km (0.101 R)
• M9: 12,384,909 km (0.096 R)
• M10: 17,027,678 km (0.115 R)
• M11: 18,446,165 km (0.111 R)
• M12: 21,369,757 km (0.051 R)
• M13: 29,182,655 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 263.9

Radius: 4

Gravity: 16.49 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.18 AU - 7.78 AU

Year: 11188 Days

Day: 23.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 39,448,859 km

• M1: 52,958 km (0.088 R)
• M2: 218,413 km (0.09 R)
• M3: 518,506 km (0.077 R)
• M4: 756,217 km (0.116 R)
• M5: 1,279,810 km (0.06 R)
• M6: 1,982,172 km (0.111 R)
• M7: 2,109,629 km (0.096 R)
• M8: 2,276,431 km (0.086 R)
• M9: 3,097,274 km (0.117 R)
• M10: 3,656,172 km (0.048 R)
• M11: 4,713,979 km (0.09 R)
• M12: 4,912,944 km (0.115 R)
• M13: 5,058,652 km (0.112 R)
• M14: 5,733,787 km (0.086 R)
• M15: 7,223,483 km (0.102 R)
• M16: 7,526,568 km (0.035 R)
• M17: 8,445,249 km (0.115 R)
• M18: 8,781,545 km (0.095 R)
• M19: 9,258,463 km (0.093 R)
• M20: 11,749,267 km (0.079 R)
• M21: 13,371,955 km (0.117 R)
• M22: 14,295,722 km (0.045 R)
• M23: 16,013,405 km (0.101 R)
• M24: 17,932,297 km (0.062 R)
• M25: 21,982,659 km (0.083 R)
• M26: 22,779,118 km (0.114 R)
• M27: 27,506,710 km (0.118 R)
• M28: 29,090,353 km (0.109 R)
• M29: 30,733,686 km (0.07 R)
• M30: 35,488,953 km (0.043 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 402.6

Radius: 3.1

Gravity: 41.89 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 6.13 AU - 8.49 AU

Year: 13405 Days

Day: 16.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 39,448,859 km

• M1: 38,746 km (0.096 R)
• M2: 471,233 km (0.099 R)
• M3: 655,538 km (0.084 R)
• M4: 1,228,049 km (0.088 R)
• M5: 3,021,727 km (0.09 R)
• M6: 3,160,105 km (0.112 R)
• M7: 3,970,926 km (0.112 R)
• M8: 4,165,104 km (0.031 R)
• M9: 4,910,999 km (0.12 R)
• M10: 5,332,117 km (0.106 R)
• M11: 6,026,401 km (0.113 R)
• M12: 6,936,404 km (0.058 R)
• M13: 7,423,944 km (0.045 R)
• M14: 13,248,687 km (0.098 R)
• M15: 14,447,115 km (0.09 R)
• M16: 14,972,503 km (0.058 R)
• M17: 15,992,012 km (0.069 R)
• M18: 20,615,484 km (0.078 R)
• M19: 22,219,323 km (0.083 R)
• M20: 24,086,454 km (0.057 R)
• M21: 28,230,913 km (0.115 R)
• M22: 30,417,286 km (0.106 R)
• M23: 34,889,066 km (0.096 R)
• M24: 36,431,569 km (0.119 R)
• M25: 36,793,895 km (0.112 R)
• M26: 39,397,646 km (0.077 R)
• M27: 41,989,130 km (0.118 R)
• M28: 42,387,360 km (0.102 R)
• M29: 42,520,652 km (0.115 R)
• M30: 45,804,624 km (0.108 R)
• M31: 47,508,394 km (0.098 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 212.5

Radius: 3.3

Gravity: 19.51 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 6.91 AU - 7.71 AU

Year: 13405 Days

Day: 17 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,448,859 km

• M1: 42,935 km (0.088 R)
• M2: 146,905 km (0.116 R)
• M3: 267,032 km (0.117 R)
• M4: 443,707 km (0.057 R)
• M5: 620,532 km (0.11 R)
• M6: 766,091 km (0.113 R)
• M7: 2,307,547 km (0.115 R)
• M8: 3,130,784 km (0.067 R)
• M9: 3,375,078 km (0.099 R)
• M10: 5,392,554 km (0.05 R)
• M11: 5,710,899 km (0.106 R)
• M12: 8,175,823 km (0.045 R)
• M13: 9,118,439 km (0.113 R)
• M14: 9,387,715 km (0.108 R)
• M15: 9,616,002 km (0.097 R)
• M16: 9,848,028 km (0.108 R)
• M17: 12,486,934 km (0.102 R)
• M18: 14,205,215 km (0.073 R)
• M19: 15,245,669 km (0.091 R)
• M20: 16,933,581 km (0.079 R)
• M21: 20,983,944 km (0.04 R)
• M22: 26,622,587 km (0.071 R)
• M23: 28,578,280 km (0.052 R)
• M24: 30,428,207 km (0.099 R)
• M25: 32,460,195 km (0.09 R)
• M26: 35,454,247 km (0.108 R)
• M27: 37,358,927 km (0.114 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: 449 - 15,486 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit