🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.8

Radius: 10.3

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.57 AU - 0.81 AU

Year: 382 Days

Day: 11.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,421,972 km

• M1: 128,056 km (0.075 R)
• M2: 474,674 km (0.101 R)
• M3: 922,869 km (0.065 R)
• M4: 1,451,249 km (0.076 R)
• M5: 1,797,718 km (0.098 R)
• M6: 2,208,663 km (0.057 R)
• M7: 2,722,681 km (0.069 R)
• M8: 3,326,907 km (0.05 R)
• M9: 3,730,971 km (0.099 R)
• M10: 4,477,464 km (0.054 R)
• M11: 4,909,653 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.9

Radius: 12.2

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.81 AU - 1.33 AU

Year: 738 Days

Day: 6.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,421,972 km

• M1: 151,692 km (0.114 R)
• M2: 623,674 km (0.105 R)
• M3: 1,083,089 km (0.079 R)
• M4: 1,639,443 km (0.03 R)
• M5: 2,124,589 km (0.079 R)
• M6: 2,640,402 km (0.09 R)
• M7: 3,545,021 km (0.075 R)
• M8: 4,069,810 km (0.081 R)
• M9: 4,661,918 km (0.07 R)
• M10: 5,612,164 km (0.094 R)
• M11: 6,445,873 km (0.12 R)
• M12: 6,872,227 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.3

Radius: 14.9

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.42 AU - 1.98 AU

Year: 1478 Days

Day: 11.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,421,972 km

• M1: 186,100 km (0.078 R)
• M2: 678,127 km (0.113 R)
• M3: 1,154,596 km (0.026 R)
• M4: 1,687,614 km (0.117 R)
• M5: 2,593,728 km (0.038 R)
• M6: 5,163,520 km (0.103 R)
• M7: 6,532,490 km (0.1 R)
• M8: 7,616,327 km (0.062 R)
• M9: 11,036,733 km (0.105 R)
• M10: 12,276,749 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.7

Radius: 11.2

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.72 AU - 2.56 AU

Year: 2088 Days

Day: 10.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,421,972 km

• M1: 139,425 km (0.097 R)
• M2: 519,404 km (0.117 R)
• M3: 941,419 km (0.051 R)
• M4: 1,736,682 km (0.091 R)
• M5: 2,194,302 km (0.061 R)
• M6: 2,565,903 km (0.096 R)
• M7: 3,243,132 km (0.108 R)
• M8: 4,205,196 km (0.119 R)
• M9: 5,646,272 km (0.098 R)
• M10: 6,176,597 km (0.052 R)
• M11: 7,143,298 km (0.102 R)
• M12: 7,910,287 km (0.063 R)
• M13: 9,244,251 km (0.073 R)
• M14: 11,575,434 km (0.05 R)
• M15: 13,840,346 km (0.082 R)
• M16: 14,494,089 km (0.116 R)
• M17: 14,851,029 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.7

Radius: 8.3

Gravity: 13.83 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.71 AU - 3.97 AU

Year: 4071 Days

Day: 6.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,421,972 km

• M1: 114,143 km (0.099 R)
• M2: 441,314 km (0.091 R)
• M3: 725,550 km (0.06 R)
• M4: 1,184,516 km (0.067 R)
• M5: 1,586,485 km (0.079 R)
• M6: 2,005,659 km (0.091 R)
• M7: 2,272,840 km (0.096 R)
• M8: 2,666,432 km (0.098 R)
• M9: 3,261,533 km (0.102 R)
• M10: 6,026,251 km (0.099 R)
• M11: 6,396,955 km (0.099 R)
• M12: 7,425,590 km (0.06 R)
• M13: 8,522,142 km (0.089 R)
• M14: 9,392,502 km (0.046 R)
• M15: 10,147,523 km (0.059 R)
• M16: 11,541,925 km (0.089 R)
• M17: 11,921,604 km (0.119 R)
• M18: 13,213,531 km (0.108 R)
• M19: 16,427,193 km (0.083 R)
• M20: 17,336,149 km (0.055 R)
• M21: 17,897,291 km (0.094 R)
• M22: 21,880,933 km (0.114 R)
• M23: 24,193,716 km (0.099 R)
• M24: 24,894,582 km (0.064 R)
• M25: 28,431,225 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.5

Radius: 9.9

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.64 AU - 3.72 AU

Year: 4708 Days

Day: 6.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,421,972 km

• M1: 123,119 km (0.094 R)
• M2: 568,322 km (0.097 R)
• M3: 984,055 km (0.106 R)
• M4: 1,377,946 km (0.049 R)
• M5: 1,961,078 km (0.104 R)
• M6: 3,509,865 km (0.117 R)
• M7: 4,295,703 km (0.053 R)
• M8: 5,082,737 km (0.108 R)
• M9: 5,540,357 km (0.095 R)
• M10: 6,182,431 km (0.102 R)
• M11: 6,805,357 km (0.046 R)
• M12: 7,799,135 km (0.111 R)
• M13: 8,685,503 km (0.101 R)
• M14: 10,116,855 km (0.037 R)
• M15: 10,657,652 km (0.113 R)
• M16: 11,217,746 km (0.118 R)
• M17: 11,797,288 km (0.055 R)
• M18: 13,874,455 km (0.073 R)
• M19: 14,317,414 km (0.082 R)
• M20: 15,942,495 km (0.091 R)
• M21: 18,806,547 km (0.06 R)
• M22: 21,113,346 km (0.07 R)
• M23: 24,877,228 km (0.118 R)
• M24: 27,911,971 km (0.118 R)
• M25: 31,279,568 km (0.101 R)
• M26: 31,945,877 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357.1

Radius: 3.9

Gravity: 23.48 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.83 AU - 8.49 AU

Year: 12776 Days

Day: 22.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 45,421,972 km

• M1: 48,619 km (0.102 R)
• M2: 172,935 km (0.085 R)
• M3: 369,656 km (0.102 R)
• M4: 499,507 km (0.061 R)
• M5: 660,175 km (0.111 R)
• M6: 1,110,016 km (0.05 R)
• M7: 1,577,510 km (0.12 R)
• M8: 1,800,560 km (0.104 R)
• M9: 2,061,309 km (0.095 R)
• M10: 2,236,787 km (0.113 R)
• M11: 3,268,115 km (0.099 R)
• M12: 3,458,404 km (0.049 R)
• M13: 3,581,074 km (0.071 R)
• M14: 4,699,468 km (0.083 R)
• M15: 6,210,107 km (0.066 R)
• M16: 6,957,647 km (0.048 R)
• M17: 8,145,604 km (0.068 R)
• M18: 9,510,086 km (0.107 R)
• M19: 12,110,995 km (0.118 R)
• M20: 14,189,807 km (0.085 R)
• M21: 14,824,850 km (0.119 R)
• M22: 14,954,102 km (0.1 R)
• M23: 21,997,320 km (0.118 R)
• M24: 22,760,867 km (0.101 R)
• M25: 26,654,451 km (0.056 R)
• M26: 31,712,953 km (0.062 R)
• M27: 34,693,541 km (0.062 R)
• M28: 40,696,006 km (0.114 R)
• M29: 44,879,660 km (0.109 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 477 - 11,029 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit