🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.4

Radius: 13.2

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.53 AU - 0.59 AU

Year: 284 Days

Day: 12.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,692,523 km

• M1: 164,109 km (0.105 R)
• M2: 883,076 km (0.104 R)
• M3: 1,332,618 km (0.115 R)
• M4: 1,837,511 km (0.114 R)
• M5: 2,349,734 km (0.05 R)
• M6: 2,819,770 km (0.115 R)
• M7: 3,266,619 km (0.043 R)
• M8: 4,026,576 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.7

Radius: 12.7

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.49 AU - 0.79 AU

Year: 347 Days

Day: 5 Hours

Environment

Temp: -161 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,692,523 km

• M1: 157,975 km (0.094 R)
• M2: 624,721 km (0.044 R)
• M3: 1,022,501 km (0.083 R)
• M4: 1,448,556 km (0.078 R)
• M5: 2,096,913 km (0.099 R)
• M6: 3,213,661 km (0.045 R)
• M7: 4,432,735 km (0.034 R)
• M8: 5,007,789 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.6

Radius: 8.4

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.96 AU - 0.96 AU

Year: 638 Days

Day: 6.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,692,523 km

• M1: 104,569 km (0.06 R)
• M2: 585,227 km (0.067 R)
• M3: 907,461 km (0.08 R)
• M4: 1,197,232 km (0.096 R)
• M5: 1,470,996 km (0.086 R)
• M6: 1,868,627 km (0.112 R)
• M7: 2,269,549 km (0.027 R)
• M8: 2,588,941 km (0.06 R)
• M9: 3,112,533 km (0.068 R)
• M10: 3,381,061 km (0.083 R)
• M11: 3,758,647 km (0.061 R)
• M12: 4,310,962 km (0.101 R)
• M13: 5,163,670 km (0.112 R)
• M14: 5,559,206 km (0.096 R)
• M15: 6,105,538 km (0.074 R)
• M16: 6,828,096 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806

Radius: 12

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.81 AU - 1.33 AU

Year: 751 Days

Day: 6.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,692,523 km

• M1: 150,645 km (0.102 R)
• M2: 627,563 km (0.034 R)
• M3: 1,184,815 km (0.097 R)
• M4: 1,738,028 km (0.116 R)
• M5: 2,120,101 km (0.039 R)
• M6: 2,536,731 km (0.111 R)
• M7: 4,052,158 km (0.103 R)
• M8: 5,762,510 km (0.114 R)
• M9: 6,713,354 km (0.082 R)
• M10: 7,434,715 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.6

Radius: 13.2

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.85 AU - 1.29 AU

Year: 751 Days

Day: 12.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,692,523 km

• M1: 164,258 km (0.097 R)
• M2: 638,484 km (0.062 R)
• M3: 1,190,500 km (0.04 R)
• M4: 1,602,642 km (0.118 R)
• M5: 2,139,399 km (0.055 R)
• M6: 2,928,378 km (0.028 R)
• M7: 3,479,796 km (0.086 R)
• M8: 3,945,195 km (0.116 R)
• M9: 4,777,109 km (0.113 R)
• M10: 5,303,245 km (0.045 R)
• M11: 5,978,081 km (0.068 R)
• M12: 6,769,902 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824

Radius: 10.2

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.12 AU - 1.5 AU

Year: 1017 Days

Day: 6.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,692,523 km

• M1: 127,158 km (0.032 R)
• M2: 643,420 km (0.083 R)
• M3: 969,693 km (0.113 R)
• M4: 1,679,535 km (0.049 R)
• M5: 2,014,036 km (0.083 R)
• M6: 2,756,341 km (0.05 R)
• M7: 3,240,589 km (0.084 R)
• M8: 3,941,455 km (0.082 R)
• M9: 6,114,514 km (0.105 R)
• M10: 6,869,684 km (0.1 R)
• M11: 8,077,836 km (0.081 R)

Asteroid Belt

Center: 2.04 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.5

Radius: 8.3

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.41 AU - 3.13 AU

Year: 3127 Days

Day: 8 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,692,523 km

• M1: 106,214 km (0.098 R)
• M2: 489,634 km (0.092 R)
• M3: 945,608 km (0.041 R)
• M4: 1,248,993 km (0.091 R)
• M5: 1,766,302 km (0.074 R)
• M6: 2,173,956 km (0.058 R)
• M7: 3,647,495 km (0.112 R)
• M8: 5,579,253 km (0.077 R)
• M9: 6,560,315 km (0.088 R)
• M10: 6,920,397 km (0.101 R)
• M11: 7,185,635 km (0.096 R)
• M12: 7,457,753 km (0.106 R)
• M13: 8,464,547 km (0.105 R)
• M14: 9,955,439 km (0.086 R)
• M15: 10,994,247 km (0.087 R)
• M16: 11,466,078 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.6

Radius: 13.8

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.82 AU - 3.78 AU

Year: 4066 Days

Day: 6.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,692,523 km

• M1: 171,589 km (0.028 R)
• M2: 631,752 km (0.086 R)
• M3: 1,321,847 km (0.071 R)
• M4: 1,944,473 km (0.104 R)
• M5: 2,414,510 km (0.118 R)
• M6: 3,283,224 km (0.102 R)
• M7: 3,770,614 km (0.1 R)
• M8: 4,604,922 km (0.116 R)
• M9: 5,193,140 km (0.066 R)
• M10: 6,198,438 km (0.12 R)
• M11: 6,979,638 km (0.091 R)
• M12: 8,922,615 km (0.092 R)
• M13: 11,203,983 km (0.079 R)
• M14: 13,652,750 km (0.115 R)
• M15: 14,304,100 km (0.119 R)
• M16: 15,832,092 km (0.12 R)
• M17: 16,890,647 km (0.09 R)
• M18: 18,657,398 km (0.072 R)
• M19: 19,148,677 km (0.095 R)
• M20: 20,221,443 km (0.094 R)
• M21: 21,200,861 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 742.4

Radius: 3.8

Gravity: 51.41 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 9.19 AU - 10.03 AU

Year: 20206 Days

Day: 20.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 78,692,523 km

• M1: 48,470 km (0.102 R)
• M2: 400,473 km (0.065 R)
• M3: 578,196 km (0.118 R)
• M4: 734,825 km (0.035 R)
• M5: 861,983 km (0.119 R)
• M6: 1,203,814 km (0.104 R)
• M7: 1,829,732 km (0.098 R)
• M8: 3,419,209 km (0.082 R)
• M9: 4,194,575 km (0.053 R)
• M10: 5,547,239 km (0.069 R)
• M11: 6,084,445 km (0.096 R)
• M12: 12,918,973 km (0.101 R)
• M13: 16,281,634 km (0.118 R)
• M14: 16,530,116 km (0.066 R)
• M15: 21,545,684 km (0.043 R)
• M16: 24,994,663 km (0.09 R)
• M17: 30,141,428 km (0.06 R)
• M18: 32,175,360 km (0.097 R)
• M19: 34,163,367 km (0.085 R)
• M20: 39,265,851 km (0.102 R)
• M21: 45,341,469 km (0.079 R)
• M22: 46,827,275 km (0.076 R)
• M23: 47,835,714 km (0.118 R)
• M24: 49,548,311 km (0.09 R)
• M25: 51,835,363 km (0.118 R)
• M26: 66,206,183 km (0.094 R)
• M27: 75,435,474 km (0.063 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 330 - 15,441 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit