🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.6

Radius: 12.9

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.71 AU - 1.05 AU

Year: 550 Days

Day: 6.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 35,550,490 km

• M1: 160,519 km (0.078 R)
• M2: 682,166 km (0.066 R)
• M3: 2,139,100 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.4

Radius: 11.3

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.84 AU - 1.02 AU

Year: 598 Days

Day: 7.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,550,490 km

• M1: 140,772 km (0.117 R)
• M2: 505,940 km (0.115 R)
• M3: 1,128,716 km (0.12 R)
• M4: 1,712,447 km (0.107 R)
• M5: 2,089,284 km (0.097 R)
• M6: 3,150,531 km (0.115 R)
• M7: 3,751,765 km (0.083 R)
• M8: 5,309,378 km (0.062 R)
• M9: 5,868,724 km (0.101 R)
• M10: 6,283,410 km (0.057 R)
• M11: 6,909,626 km (0.101 R)
• M12: 8,190,184 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.5

Radius: 8.5

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.8 AU - 2.2 AU

Year: 1886 Days

Day: 9.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,550,490 km

• M1: 105,766 km (0.07 R)
• M2: 391,348 km (0.084 R)
• M3: 824,434 km (0.111 R)
• M4: 1,111,063 km (0.118 R)
• M5: 2,126,085 km (0.111 R)
• M6: 2,593,578 km (0.05 R)
• M7: 2,942,291 km (0.08 R)
• M8: 3,256,746 km (0.079 R)
• M9: 3,861,121 km (0.101 R)
• M10: 4,620,480 km (0.026 R)
• M11: 5,024,992 km (0.109 R)
• M12: 5,711,497 km (0.118 R)
• M13: 5,978,380 km (0.102 R)
• M14: 6,511,247 km (0.102 R)
• M15: 6,802,664 km (0.109 R)
• M16: 10,077,361 km (0.105 R)
• M17: 10,576,420 km (0.109 R)
• M18: 11,701,396 km (0.071 R)
• M19: 14,723,722 km (0.045 R)
• M20: 15,459,893 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.4

Radius: 8.8

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.25 AU - 4.73 AU

Year: 5315 Days

Day: 5.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,550,490 km

• M1: 109,506 km (0.061 R)
• M2: 733,628 km (0.091 R)
• M3: 1,050,626 km (0.044 R)
• M4: 1,880,595 km (0.096 R)
• M5: 2,320,712 km (0.028 R)
• M6: 2,707,871 km (0.03 R)
• M7: 3,051,198 km (0.1 R)
• M8: 4,117,233 km (0.08 R)
• M9: 5,984,513 km (0.107 R)
• M10: 6,284,307 km (0.119 R)
• M11: 6,989,512 km (0.117 R)
• M12: 11,363,903 km (0.055 R)
• M13: 11,753,306 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.7

Radius: 9.5

Gravity: 9.61 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.72 AU - 5.62 AU

Year: 6730 Days

Day: 12.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 137 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 35,550,490 km

• M1: 118,182 km (0.047 R)
• M2: 475,422 km (0.117 R)
• M3: 980,614 km (0.085 R)
• M4: 1,763,011 km (0.032 R)
• M5: 2,097,213 km (0.115 R)
• M6: 3,253,454 km (0.12 R)
• M7: 3,712,720 km (0.047 R)
• M8: 4,110,800 km (0.072 R)
• M9: 5,734,086 km (0.112 R)
• M10: 6,725,023 km (0.12 R)
• M11: 7,472,264 km (0.091 R)
• M12: 9,953,345 km (0.113 R)
• M13: 11,175,410 km (0.067 R)
• M14: 11,482,983 km (0.106 R)
• M15: 12,439,961 km (0.107 R)
• M16: 13,855,904 km (0.1 R)
• M17: 14,271,038 km (0.105 R)
• M18: 15,885,798 km (0.09 R)
• M19: 16,804,179 km (0.118 R)
• M20: 20,910,940 km (0.12 R)
• M21: 30,240,611 km (0.034 R)
• M22: 32,369,688 km (0.119 R)
• M23: 34,165,012 km (0.069 R)
• M24: 35,141,886 km (0.066 R)
• M25: 36,924,195 km (0.055 R)
• M26: 38,068,469 km (0.11 R)
• M27: 38,766,194 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.4

Radius: 11.7

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.16 AU - 5.6 AU

Year: 7189 Days

Day: 6.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,550,490 km

• M1: 145,858 km (0.119 R)
• M2: 1,071,121 km (0.103 R)
• M3: 2,177,247 km (0.088 R)
• M4: 2,824,258 km (0.098 R)
• M5: 6,984,425 km (0.103 R)
• M6: 10,360,849 km (0.073 R)
• M7: 10,848,090 km (0.053 R)
• M8: 12,895,785 km (0.061 R)
• M9: 13,864,431 km (0.102 R)
• M10: 14,758,877 km (0.113 R)
• M11: 15,376,268 km (0.111 R)
• M12: 16,995,216 km (0.067 R)
• M13: 19,084,649 km (0.118 R)
• M14: 20,952,379 km (0.119 R)
• M15: 21,340,136 km (0.04 R)
• M16: 23,517,084 km (0.111 R)
• M17: 23,935,959 km (0.102 R)
• M18: 30,632,558 km (0.065 R)
• M19: 31,739,283 km (0.107 R)
• M20: 35,110,321 km (0.086 R)
• M21: 35,547,745 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.3

Radius: 8.2

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 5.09 AU - 5.41 AU

Year: 8022 Days

Day: 5.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,550,490 km

• M1: 108,608 km (0.069 R)
• M2: 539,001 km (0.081 R)
• M3: 1,387,520 km (0.092 R)
• M4: 3,332,293 km (0.087 R)
• M5: 6,841,111 km (0.112 R)
• M6: 7,126,244 km (0.106 R)
• M7: 10,293,231 km (0.065 R)
• M8: 11,004,120 km (0.076 R)
• M9: 13,223,105 km (0.05 R)
• M10: 14,700,833 km (0.1 R)
• M11: 15,176,704 km (0.071 R)
• M12: 20,297,738 km (0.099 R)
• M13: 21,112,448 km (0.115 R)
• M14: 22,492,339 km (0.114 R)
• M15: 23,044,804 km (0.036 R)
• M16: 24,012,852 km (0.099 R)
• M17: 31,268,947 km (0.078 R)
• M18: 32,957,757 km (0.082 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: 431 - 15,440 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit