🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.6

Radius: 8.9

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.06 AU - 1.74 AU

Year: 1105 Days

Day: 6.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 21,508,263 km

• M1: 110,702 km (0.105 R)
• M2: 582,385 km (0.117 R)
• M3: 1,475,933 km (0.064 R)
• M4: 1,754,334 km (0.119 R)
• M5: 3,124,501 km (0.115 R)
• M6: 3,764,481 km (0.102 R)
• M7: 4,100,178 km (0.102 R)
• M8: 4,920,274 km (0.1 R)
• M9: 5,378,941 km (0.065 R)
• M10: 5,706,860 km (0.073 R)
• M11: 6,192,604 km (0.086 R)
• M12: 6,838,418 km (0.107 R)
• M13: 7,131,929 km (0.099 R)
• M14: 7,647,742 km (0.094 R)
• M15: 8,493,569 km (0.107 R)
• M16: 8,965,999 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.9

Radius: 11.3

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.6 AU - 1.7 AU

Year: 1413 Days

Day: 14.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,508,263 km

• M1: 140,472 km (0.075 R)
• M2: 1,104,631 km (0.095 R)
• M3: 1,557,763 km (0.053 R)
• M4: 1,977,684 km (0.108 R)
• M5: 2,356,316 km (0.096 R)
• M6: 2,888,436 km (0.09 R)
• M7: 4,127,106 km (0.099 R)
• M8: 4,846,971 km (0.083 R)
• M9: 5,797,815 km (0.112 R)
• M10: 8,815,803 km (0.066 R)
• M11: 9,399,833 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.1

Radius: 10.1

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.12 AU - 2.12 AU

Year: 2058 Days

Day: 7.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 173.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 21,508,263 km

• M1: 125,662 km (0.114 R)
• M2: 529,876 km (0.11 R)
• M3: 867,219 km (0.108 R)
• M4: 1,616,255 km (0.115 R)
• M5: 2,124,140 km (0.083 R)
• M6: 2,678,400 km (0.077 R)
• M7: 3,147,390 km (0.077 R)
• M8: 3,706,287 km (0.096 R)
• M9: 4,512,171 km (0.07 R)
• M10: 5,619,046 km (0.107 R)
• M11: 6,033,881 km (0.115 R)
• M12: 6,681,191 km (0.079 R)
• M13: 9,366,622 km (0.114 R)
• M14: 10,021,561 km (0.082 R)
• M15: 10,633,117 km (0.048 R)
• M16: 12,372,492 km (0.099 R)
• M17: 12,908,501 km (0.079 R)
• M18: 13,459,919 km (0.052 R)
• M19: 15,537,983 km (0.102 R)
• M20: 16,016,546 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.6

Radius: 8.4

Gravity: 10.44 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.36 AU - 3.12 AU

Year: 3025 Days

Day: 10.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 21,508,263 km

• M1: 105,616 km (0.111 R)
• M2: 372,349 km (0.071 R)
• M3: 932,444 km (0.037 R)
• M4: 1,492,837 km (0.084 R)
• M5: 1,783,057 km (0.074 R)
• M6: 2,084,646 km (0.115 R)
• M7: 3,273,052 km (0.109 R)
• M8: 3,669,337 km (0.106 R)
• M9: 3,992,618 km (0.12 R)
• M10: 4,313,056 km (0.085 R)
• M11: 4,696,775 km (0.078 R)
• M12: 5,353,061 km (0.119 R)
• M13: 6,435,850 km (0.056 R)
• M14: 7,658,065 km (0.067 R)
• M15: 8,019,792 km (0.107 R)
• M16: 8,462,004 km (0.083 R)
• M17: 9,210,591 km (0.089 R)
• M18: 10,080,204 km (0.06 R)
• M19: 10,555,177 km (0.097 R)
• M20: 12,560,536 km (0.115 R)
• M21: 15,112,078 km (0.107 R)
• M22: 16,590,703 km (0.114 R)
• M23: 17,875,450 km (0.083 R)
• M24: 20,079,475 km (0.058 R)
• M25: 20,768,224 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36

Radius: 8.6

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.32 AU - 3.18 AU

Year: 3041 Days

Day: 9.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,508,263 km

• M1: 106,962 km (0.116 R)
• M2: 427,401 km (0.095 R)
• M3: 1,015,470 km (0.068 R)
• M4: 1,454,690 km (0.062 R)
• M5: 1,998,179 km (0.113 R)
• M6: 2,549,297 km (0.074 R)
• M7: 3,060,324 km (0.105 R)
• M8: 3,909,292 km (0.076 R)
• M9: 5,132,553 km (0.057 R)
• M10: 5,585,835 km (0.035 R)
• M11: 6,224,917 km (0.109 R)
• M12: 7,625,153 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.7

Radius: 12.1

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.97 AU - 4.73 AU

Year: 5038 Days

Day: 11.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,508,263 km

• M1: 152,889 km (0.081 R)
• M2: 2,257,282 km (0.068 R)
• M3: 2,812,739 km (0.103 R)
• M4: 3,394,226 km (0.032 R)
• M5: 3,860,223 km (0.092 R)
• M6: 4,237,509 km (0.109 R)
• M7: 5,410,506 km (0.112 R)
• M8: 6,814,482 km (0.111 R)
• M9: 7,782,979 km (0.049 R)
• M10: 8,359,529 km (0.114 R)
• M11: 8,933,536 km (0.03 R)
• M12: 10,160,388 km (0.084 R)
• M13: 11,386,941 km (0.08 R)
• M14: 12,709,835 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.4

Radius: 8.1

Gravity: 15.05 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.1 AU - 4.1 AU

Year: 5536 Days

Day: 12.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 21,508,263 km

• M1: 101,278 km (0.098 R)
• M2: 383,270 km (0.053 R)
• M3: 662,719 km (0.087 R)
• M4: 961,316 km (0.064 R)
• M5: 1,469,350 km (0.109 R)
• M6: 1,959,732 km (0.093 R)
• M7: 2,856,123 km (0.085 R)
• M8: 3,575,389 km (0.118 R)
• M9: 4,027,175 km (0.099 R)
• M10: 5,368,768 km (0.093 R)
• M11: 5,994,087 km (0.104 R)
• M12: 6,358,209 km (0.081 R)
• M13: 6,878,360 km (0.106 R)
• M14: 9,555,115 km (0.084 R)
• M15: 10,144,980 km (0.088 R)
• M16: 10,903,890 km (0.1 R)
• M17: 13,974,236 km (0.101 R)
• M18: 17,982,113 km (0.029 R)
• M19: 18,531,586 km (0.059 R)
• M20: 19,519,979 km (0.08 R)
• M21: 20,027,265 km (0.091 R)
• M22: 25,939,074 km (0.041 R)
• M23: 27,535,134 km (0.087 R)
• M24: 28,914,276 km (0.086 R)
• M25: 29,954,430 km (0.059 R)
• M26: 30,435,388 km (0.094 R)
• M27: 32,009,307 km (0.059 R)
• M28: 33,430,187 km (0.034 R)
• M29: 36,179,946 km (0.091 R)

Asteroid Belt

Center: 4.61 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.3

Radius: 8.5

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.88 AU - 6.34 AU

Year: 7703 Days

Day: 8.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,508,263 km

• M1: 105,915 km (0.103 R)
• M2: 390,600 km (0.089 R)
• M3: 774,618 km (0.113 R)
• M4: 2,243,818 km (0.114 R)
• M5: 6,037,770 km (0.075 R)
• M6: 8,363,419 km (0.119 R)
• M7: 10,458,836 km (0.107 R)
• M8: 12,927,500 km (0.107 R)
• M9: 15,092,331 km (0.083 R)
• M10: 16,663,108 km (0.118 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 151 - 16,613 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit