🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.9

Radius: 15

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.57 AU - 0.67 AU

Year: 343 Days

Day: 13.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 93.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,363,851 km

• M1: 189,092 km (0.082 R)
• M2: 1,012,030 km (0.101 R)
• M3: 1,551,480 km (0.093 R)
• M4: 2,345,395 km (0.098 R)
• M5: 3,191,671 km (0.074 R)
• M6: 4,130,996 km (0.088 R)
• M7: 5,083,336 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.6

Radius: 13.8

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.82 AU - 2.78 AU

Year: 2452 Days

Day: 8.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,363,851 km

• M1: 171,589 km (0.092 R)
• M2: 783,893 km (0.065 R)
• M3: 1,428,510 km (0.047 R)
• M4: 2,185,026 km (0.104 R)
• M5: 2,664,039 km (0.105 R)
• M6: 4,139,822 km (0.085 R)
• M7: 4,699,767 km (0.107 R)
• M8: 6,052,879 km (0.031 R)
• M9: 6,719,188 km (0.036 R)
• M10: 7,746,477 km (0.045 R)
• M11: 8,198,861 km (0.078 R)
• M12: 8,703,305 km (0.037 R)
• M13: 9,299,901 km (0.081 R)
• M14: 9,998,972 km (0.101 R)
• M15: 12,703,103 km (0.099 R)
• M16: 13,379,884 km (0.081 R)
• M17: 14,080,750 km (0.119 R)
• M18: 15,152,619 km (0.111 R)
• M19: 17,459,119 km (0.103 R)
• M20: 19,277,331 km (0.094 R)
• M21: 19,751,108 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296

Radius: 10.9

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.24 AU - 2.72 AU

Year: 2745 Days

Day: 13.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,363,851 km

• M1: 135,685 km (0.106 R)
• M2: 486,791 km (0.109 R)
• M3: 825,780 km (0.115 R)
• M4: 1,219,971 km (0.071 R)
• M5: 1,631,664 km (0.095 R)
• M6: 2,054,876 km (0.077 R)
• M7: 2,394,164 km (0.043 R)
• M8: 3,768,819 km (0.101 R)
• M9: 4,418,523 km (0.082 R)
• M10: 4,760,204 km (0.111 R)
• M11: 5,162,922 km (0.1 R)
• M12: 5,774,777 km (0.109 R)
• M13: 6,587,393 km (0.1 R)
• M14: 8,968,093 km (0.027 R)
• M15: 9,354,504 km (0.083 R)
• M16: 11,343,707 km (0.093 R)
• M17: 12,979,560 km (0.1 R)
• M18: 13,726,801 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899

Radius: 8.9

Gravity: 11.35 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.71 AU - 3.41 AU

Year: 3763 Days

Day: 10.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,363,851 km

• M1: 111,151 km (0.112 R)
• M2: 741,257 km (0.095 R)
• M3: 1,125,724 km (0.081 R)
• M4: 1,513,033 km (0.04 R)
• M5: 2,187,121 km (0.09 R)
• M6: 2,609,585 km (0.083 R)
• M7: 3,142,154 km (0.095 R)
• M8: 4,569,168 km (0.071 R)
• M9: 5,480,967 km (0.044 R)
• M10: 5,877,850 km (0.069 R)
• M11: 6,478,186 km (0.092 R)
• M12: 6,922,193 km (0.095 R)
• M13: 7,765,775 km (0.075 R)
• M14: 8,267,078 km (0.045 R)
• M15: 9,534,620 km (0.12 R)
• M16: 11,329,346 km (0.117 R)
• M17: 12,068,808 km (0.104 R)
• M18: 13,643,775 km (0.093 R)
• M19: 18,359,997 km (0.082 R)
• M20: 19,314,731 km (0.073 R)
• M21: 24,666,445 km (0.095 R)
• M22: 25,906,910 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 897

Radius: 4.7

Gravity: 40.61 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.53 AU - 7.01 AU

Year: 9743 Days

Day: 21.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,363,851 km

• M1: 61,485 km (0.108 R)
• M2: 285,582 km (0.049 R)
• M3: 599,139 km (0.027 R)
• M4: 912,098 km (0.1 R)
• M5: 1,094,308 km (0.103 R)
• M6: 1,698,235 km (0.118 R)
• M7: 2,011,194 km (0.056 R)
• M8: 2,440,240 km (0.091 R)
• M9: 2,665,984 km (0.077 R)
• M10: 3,452,868 km (0.091 R)
• M11: 4,564,231 km (0.076 R)
• M12: 5,437,284 km (0.083 R)
• M13: 6,609,683 km (0.034 R)
• M14: 7,679,008 km (0.112 R)
• M15: 8,483,695 km (0.089 R)
• M16: 12,208,832 km (0.11 R)
• M17: 12,386,554 km (0.118 R)
• M18: 16,387,998 km (0.044 R)
• M19: 17,339,740 km (0.09 R)
• M20: 20,665,899 km (0.11 R)
• M21: 23,928,030 km (0.083 R)
• M22: 26,613,461 km (0.113 R)
• M23: 33,491,522 km (0.078 R)
• M24: 40,801,024 km (0.101 R)
• M25: 50,768,281 km (0.043 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 676.7

Radius: 7.1

Gravity: 13.42 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 5.71 AU - 6.97 AU

Year: 11221 Days

Day: 23.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,363,851 km

• M1: 88,412 km (0.093 R)
• M2: 666,758 km (0.072 R)
• M3: 1,279,660 km (0.109 R)
• M4: 1,790,387 km (0.105 R)
• M5: 2,611,380 km (0.11 R)
• M6: 4,094,793 km (0.097 R)
• M7: 5,097,398 km (0.104 R)
• M8: 5,673,499 km (0.09 R)
• M9: 6,068,886 km (0.106 R)
• M10: 7,924,498 km (0.047 R)
• M11: 8,603,673 km (0.1 R)
• M12: 10,444,026 km (0.088 R)
• M13: 11,148,632 km (0.075 R)
• M14: 19,296,330 km (0.119 R)
• M15: 26,141,480 km (0.112 R)
• M16: 27,134,511 km (0.106 R)
• M17: 28,984,887 km (0.078 R)
• M18: 30,156,238 km (0.114 R)
• M19: 37,603,968 km (0.054 R)
• M20: 38,106,467 km (0.117 R)
• M21: 42,153,239 km (0.091 R)
• M22: 42,423,712 km (0.069 R)
• M23: 47,639,592 km (0.1 R)
• M24: 50,324,873 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.8

Radius: 6.4

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 6.17 AU - 7.35 AU

Year: 12355 Days

Day: 19.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,363,851 km

• M1: 83,924 km (0.067 R)
• M2: 384,616 km (0.068 R)
• M3: 601,234 km (0.116 R)
• M4: 948,451 km (0.101 R)
• M5: 1,435,691 km (0.087 R)
• M6: 2,538,676 km (0.083 R)
• M7: 2,773,395 km (0.098 R)
• M8: 3,377,920 km (0.082 R)
• M9: 4,119,327 km (0.094 R)
• M10: 4,472,528 km (0.103 R)
• M11: 4,964,405 km (0.112 R)
• M12: 7,144,346 km (0.081 R)
• M13: 8,703,155 km (0.106 R)
• M14: 10,181,182 km (0.111 R)
• M15: 11,185,582 km (0.072 R)
• M16: 18,201,723 km (0.071 R)
• M17: 18,855,764 km (0.035 R)
• M18: 23,452,009 km (0.12 R)
• M19: 26,836,960 km (0.103 R)
• M20: 29,530,021 km (0.033 R)
• M21: 36,123,547 km (0.085 R)
• M22: 37,503,887 km (0.114 R)
• M23: 39,881,895 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 191.3

Radius: 4.9

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 7.89 AU - 12.11 AU

Year: 22228 Days

Day: 22.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,363,851 km

• M1: 61,934 km (0.085 R)
• M2: 1,008,589 km (0.046 R)
• M3: 1,218,624 km (0.111 R)
• M4: 1,514,529 km (0.062 R)
• M5: 1,857,108 km (0.094 R)
• M6: 3,575,688 km (0.106 R)
• M7: 9,725,956 km (0.087 R)
• M8: 13,708,999 km (0.089 R)
• M9: 14,033,926 km (0.097 R)
• M10: 15,736,200 km (0.08 R)
• M11: 20,205,885 km (0.078 R)
• M12: 21,312,161 km (0.075 R)
• M13: 21,924,316 km (0.109 R)
• M14: 23,092,077 km (0.079 R)
• M15: 23,924,439 km (0.049 R)
• M16: 36,138,208 km (0.106 R)
• M17: 49,010,656 km (0.1 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 14,217 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit