🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.5

Radius: 8.7

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.65 AU - 0.77 AU

Year: 421 Days

Day: 7.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,021,626 km

• M1: 131,197 km (0.099 R)
• M2: 475,572 km (0.085 R)
• M3: 760,256 km (0.037 R)
• M4: 1,130,960 km (0.105 R)
• M5: 1,512,734 km (0.073 R)
• M6: 1,831,377 km (0.112 R)
• M7: 2,160,642 km (0.072 R)
• M8: 2,704,580 km (0.09 R)
• M9: 3,036,089 km (0.088 R)
• M10: 3,731,420 km (0.068 R)
• M11: 4,117,083 km (0.072 R)
• M12: 4,458,465 km (0.095 R)
• M13: 5,182,968 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324

Radius: 14.1

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.64 AU - 2.3 AU

Year: 1944 Days

Day: 6.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,021,626 km

• M1: 175,329 km (0.108 R)
• M2: 978,071 km (0.089 R)
• M3: 1,541,756 km (0.12 R)
• M4: 2,004,462 km (0.066 R)
• M5: 2,938,701 km (0.072 R)
• M6: 4,359,132 km (0.101 R)
• M7: 4,981,908 km (0.066 R)
• M8: 5,860,197 km (0.118 R)
• M9: 7,265,819 km (0.11 R)
• M10: 8,144,557 km (0.082 R)
• M11: 9,640,685 km (0.115 R)
• M12: 12,200,454 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.3

Radius: 12.1

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.4 AU - 3.04 AU

Year: 3153 Days

Day: 13.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,021,626 km

• M1: 150,495 km (0.114 R)
• M2: 612,603 km (0.032 R)
• M3: 1,068,428 km (0.062 R)
• M4: 1,510,639 km (0.032 R)
• M5: 2,553,336 km (0.115 R)
• M6: 3,274,697 km (0.053 R)
• M7: 4,107,359 km (0.079 R)
• M8: 6,083,547 km (0.099 R)
• M9: 9,798,511 km (0.113 R)
• M10: 11,112,429 km (0.109 R)
• M11: 12,194,022 km (0.06 R)
• M12: 15,809,503 km (0.055 R)
• M13: 16,907,701 km (0.1 R)
• M14: 17,888,913 km (0.094 R)
• M15: 18,735,338 km (0.106 R)
• M16: 19,905,044 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.5

Radius: 12.5

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.91 AU - 5.43 AU

Year: 7094 Days

Day: 10.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,021,626 km

• M1: 156,779 km (0.113 R)
• M2: 698,921 km (0.079 R)
• M3: 1,865,037 km (0.047 R)
• M4: 2,427,973 km (0.071 R)
• M5: 3,898,969 km (0.082 R)
• M6: 4,593,851 km (0.046 R)
• M7: 5,268,239 km (0.039 R)
• M8: 5,789,587 km (0.108 R)
• M9: 6,202,926 km (0.114 R)
• M10: 7,308,155 km (0.094 R)
• M11: 7,958,008 km (0.114 R)
• M12: 12,790,020 km (0.034 R)
• M13: 13,831,819 km (0.116 R)
• M14: 14,523,709 km (0.106 R)
• M15: 16,354,787 km (0.043 R)
• M16: 18,809,389 km (0.12 R)
• M17: 19,352,729 km (0.113 R)
• M18: 22,094,259 km (0.081 R)
• M19: 22,631,615 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 676.7

Radius: 3.4

Gravity: 58.54 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 6.79 AU - 7.75 AU

Year: 13779 Days

Day: 23.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 39,021,626 km

• M1: 42,336 km (0.061 R)
• M2: 207,941 km (0.047 R)
• M3: 416,331 km (0.05 R)
• M4: 605,123 km (0.08 R)
• M5: 954,285 km (0.062 R)
• M6: 1,141,581 km (0.075 R)
• M7: 3,132,430 km (0.088 R)
• M8: 4,054,102 km (0.086 R)
• M9: 4,608,961 km (0.095 R)
• M10: 5,569,828 km (0.065 R)
• M11: 6,907,083 km (0.093 R)
• M12: 8,589,910 km (0.039 R)
• M13: 9,343,584 km (0.087 R)
• M14: 10,360,401 km (0.114 R)
• M15: 13,715,432 km (0.11 R)
• M16: 13,849,472 km (0.032 R)
• M17: 15,819,227 km (0.077 R)
• M18: 16,717,712 km (0.093 R)
• M19: 17,101,879 km (0.103 R)
• M20: 19,616,470 km (0.115 R)
• M21: 19,872,132 km (0.081 R)
• M22: 20,828,661 km (0.101 R)
• M23: 24,467,181 km (0.079 R)
• M24: 26,074,909 km (0.09 R)
• M25: 26,383,978 km (0.044 R)
• M26: 27,966,275 km (0.078 R)
• M27: 29,946,951 km (0.115 R)
• M28: 30,172,694 km (0.072 R)
• M29: 31,550,789 km (0.092 R)
• M30: 32,019,330 km (0.047 R)
• M31: 32,137,063 km (0.079 R)
• M32: 36,190,567 km (0.108 R)
• M33: 38,008,481 km (0.117 R)
• M34: 39,343,642 km (0.106 R)
• M35: 41,684,549 km (0.113 R)
• M36: 44,116,711 km (0.069 R)
• M37: 45,889,296 km (0.07 R)
• M38: 49,418,460 km (0.109 R)
• M39: 51,329,573 km (0.047 R)
• M40: 53,787,017 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 159.6

Radius: 6.1

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 7.25 AU - 8.77 AU

Year: 15935 Days

Day: 17.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,021,626 km

• M1: 76,145 km (0.073 R)
• M2: 306,227 km (0.053 R)
• M3: 638,035 km (0.118 R)
• M4: 967,001 km (0.06 R)
• M5: 1,493,136 km (0.074 R)
• M6: 2,077,466 km (0.077 R)
• M7: 3,202,741 km (0.099 R)
• M8: 3,591,246 km (0.097 R)
• M9: 4,859,238 km (0.114 R)
• M10: 6,157,448 km (0.05 R)
• M11: 6,941,940 km (0.08 R)
• M12: 7,397,016 km (0.054 R)
• M13: 8,969,888 km (0.088 R)
• M14: 10,853,176 km (0.098 R)
• M15: 12,047,715 km (0.09 R)
• M16: 13,041,793 km (0.084 R)
• M17: 17,360,982 km (0.114 R)
• M18: 18,989,355 km (0.051 R)
• M19: 20,332,744 km (0.073 R)
• M20: 25,533,215 km (0.045 R)
• M21: 31,863,449 km (0.114 R)
• M22: 32,070,044 km (0.117 R)
• M23: 38,109,459 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 70.9

Radius: 3.1

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.83 AU - 12.53 AU

Year: 22831 Days

Day: 17.4 Hours

Environment

Temp: -243 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,021,626 km

• M1: 38,596 km (0.112 R)
• M2: 141,071 km (0.057 R)
• M3: 297,550 km (0.061 R)
• M4: 453,581 km (0.114 R)
• M5: 597,943 km (0.11 R)
• M6: 1,080,545 km (0.074 R)
• M7: 1,598,004 km (0.036 R)
• M8: 2,228,709 km (0.072 R)
• M9: 2,552,289 km (0.073 R)
• M10: 3,052,245 km (0.088 R)
• M11: 3,473,812 km (0.05 R)
• M12: 4,766,637 km (0.103 R)
• M13: 7,372,482 km (0.094 R)
• M14: 8,930,544 km (0.106 R)
• M15: 11,195,157 km (0.113 R)
• M16: 11,348,195 km (0.119 R)
• M17: 12,568,465 km (0.094 R)
• M18: 12,733,771 km (0.027 R)
• M19: 16,882,419 km (0.099 R)
• M20: 17,354,699 km (0.113 R)
• M21: 19,997,944 km (0.079 R)
• M22: 21,141,769 km (0.115 R)
• M23: 21,375,741 km (0.109 R)
• M24: 22,087,677 km (0.093 R)
• M25: 28,268,163 km (0.1 R)
• M26: 30,791,879 km (0.088 R)
• M27: 38,324,132 km (0.078 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 19,132 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit