🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.1

Radius: 9

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.6 AU - 0.6 AU

Year: 327 Days

Day: 10.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,198,240 km

• M1: 111,899 km (0.112 R)
• M2: 392,844 km (0.066 R)
• M3: 1,401,582 km (0.091 R)
• M4: 1,859,053 km (0.098 R)
• M5: 2,207,466 km (0.068 R)
• M6: 2,795,087 km (0.071 R)
• M7: 3,382,857 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.4

Radius: 13.4

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.81 AU - 0.83 AU

Year: 522 Days

Day: 8.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,198,240 km

• M1: 166,951 km (0.085 R)
• M2: 686,804 km (0.111 R)
• M3: 1,144,573 km (0.085 R)
• M4: 1,660,985 km (0.117 R)
• M5: 2,323,853 km (0.098 R)
• M6: 2,819,770 km (0.117 R)
• M7: 3,253,006 km (0.119 R)
• M8: 4,521,446 km (0.118 R)
• M9: 5,420,828 km (0.107 R)
• M10: 6,023,109 km (0.08 R)
• M11: 6,494,193 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.2

Radius: 14.7

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.05 AU - 1.27 AU

Year: 878 Days

Day: 11.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,198,240 km

• M1: 182,958 km (0.053 R)
• M2: 654,042 km (0.075 R)
• M3: 1,146,967 km (0.061 R)
• M4: 1,721,722 km (0.074 R)
• M5: 2,232,000 km (0.089 R)
• M6: 2,878,263 km (0.115 R)
• M7: 3,995,610 km (0.112 R)
• M8: 4,791,620 km (0.097 R)
• M9: 5,474,235 km (0.062 R)
• M10: 6,221,027 km (0.113 R)
• M11: 7,336,429 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978

Radius: 8.3

Gravity: 14.2 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.31 AU - 2.45 AU

Year: 2581 Days

Day: 13.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,198,240 km

• M1: 103,223 km (0.045 R)
• M2: 601,982 km (0.085 R)
• M3: 907,311 km (0.101 R)
• M4: 1,242,410 km (0.079 R)
• M5: 1,895,704 km (0.053 R)
• M6: 2,618,412 km (0.117 R)
• M7: 2,891,128 km (0.105 R)
• M8: 3,513,156 km (0.08 R)
• M9: 4,759,905 km (0.053 R)
• M10: 5,193,290 km (0.058 R)
• M11: 6,307,046 km (0.117 R)
• M12: 7,350,491 km (0.044 R)
• M13: 8,891,649 km (0.112 R)
• M14: 10,476,937 km (0.072 R)
• M15: 11,633,030 km (0.083 R)
• M16: 12,109,798 km (0.088 R)
• M17: 12,917,926 km (0.12 R)
• M18: 15,506,418 km (0.069 R)
• M19: 18,597,110 km (0.06 R)
• M20: 19,916,264 km (0.076 R)
• M21: 21,879,287 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.2

Radius: 10.3

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.02 AU - 3.2 AU

Year: 2964 Days

Day: 8 Hours

Environment

Temp: -208 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,198,240 km

• M1: 128,205 km (0.109 R)
• M2: 549,024 km (0.051 R)
• M3: 1,454,690 km (0.087 R)
• M4: 1,868,328 km (0.104 R)
• M5: 2,556,777 km (0.112 R)
• M6: 3,441,649 km (0.079 R)
• M7: 3,984,689 km (0.108 R)
• M8: 5,031,425 km (0.08 R)
• M9: 5,681,727 km (0.107 R)
• M10: 6,225,366 km (0.075 R)
• M11: 11,132,475 km (0.079 R)
• M12: 12,236,208 km (0.081 R)
• M13: 12,923,910 km (0.068 R)
• M14: 13,366,570 km (0.111 R)
• M15: 13,727,998 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.8

Radius: 10.7

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.51 AU - 3.77 AU

Year: 4882 Days

Day: 6.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 49,198,240 km

• M1: 133,142 km (0.077 R)
• M2: 512,373 km (0.113 R)
• M3: 907,161 km (0.083 R)
• M4: 1,300,454 km (0.037 R)
• M5: 1,704,668 km (0.031 R)
• M6: 2,683,935 km (0.107 R)
• M7: 3,089,794 km (0.071 R)
• M8: 3,843,319 km (0.097 R)
• M9: 4,288,073 km (0.113 R)
• M10: 5,366,076 km (0.093 R)
• M11: 5,892,810 km (0.074 R)
• M12: 6,453,951 km (0.05 R)
• M13: 8,391,543 km (0.075 R)
• M14: 9,061,891 km (0.096 R)
• M15: 11,101,808 km (0.032 R)
• M16: 12,007,473 km (0.116 R)
• M17: 12,403,309 km (0.101 R)
• M18: 13,589,919 km (0.03 R)
• M19: 14,963,826 km (0.084 R)
• M20: 18,050,479 km (0.088 R)
• M21: 20,963,598 km (0.09 R)
• M22: 21,756,318 km (0.085 R)
• M23: 23,864,600 km (0.102 R)
• M24: 25,532,617 km (0.049 R)
• M25: 25,940,869 km (0.115 R)
• M26: 27,789,749 km (0.113 R)
• M27: 28,570,800 km (0.11 R)
• M28: 29,366,361 km (0.112 R)
• M29: 29,724,648 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 50.2

Radius: 7

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.33 AU - 8.57 AU

Year: 12879 Days

Day: 23 Hours

Environment

Temp: -232 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,198,240 km

• M1: 101,128 km (0.115 R)
• M2: 682,166 km (0.118 R)
• M3: 1,501,215 km (0.081 R)
• M4: 2,061,309 km (0.065 R)
• M5: 2,785,961 km (0.065 R)
• M6: 3,730,073 km (0.113 R)
• M7: 5,070,321 km (0.1 R)
• M8: 5,456,882 km (0.081 R)
• M9: 12,988,386 km (0.117 R)
• M10: 16,540,887 km (0.12 R)
• M11: 16,934,030 km (0.074 R)
• M12: 22,353,213 km (0.103 R)
• M13: 22,764,607 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 275.9

Radius: 6.1

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 7.23 AU - 9.09 AU

Year: 16385 Days

Day: 22.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 49,198,240 km

• M1: 75,996 km (0.074 R)
• M2: 288,574 km (0.086 R)
• M3: 635,342 km (0.085 R)
• M4: 843,433 km (0.076 R)
• M5: 1,336,956 km (0.098 R)
• M6: 1,841,101 km (0.096 R)
• M7: 2,236,638 km (0.049 R)
• M8: 2,445,028 km (0.072 R)
• M9: 3,486,229 km (0.11 R)
• M10: 3,820,281 km (0.111 R)
• M11: 5,407,215 km (0.116 R)
• M12: 5,679,932 km (0.083 R)
• M13: 6,515,586 km (0.084 R)
• M14: 6,943,136 km (0.115 R)
• M15: 7,768,019 km (0.102 R)
• M16: 8,204,097 km (0.092 R)
• M17: 9,512,330 km (0.082 R)
• M18: 13,196,028 km (0.066 R)
• M19: 13,566,133 km (0.085 R)
• M20: 14,652,513 km (0.09 R)
• M21: 15,453,460 km (0.041 R)
• M22: 17,069,715 km (0.102 R)
• M23: 17,361,880 km (0.104 R)
• M24: 18,795,327 km (0.11 R)
• M25: 19,185,329 km (0.088 R)
• M26: 19,820,521 km (0.067 R)
• M27: 26,472,690 km (0.088 R)
• M28: 29,713,877 km (0.053 R)
• M29: 30,563,743 km (0.071 R)
• M30: 33,097,033 km (0.065 R)
• M31: 34,588,972 km (0.113 R)
• M32: 36,005,515 km (0.064 R)
• M33: 37,706,592 km (0.097 R)
• M34: 39,080,200 km (0.112 R)
• M35: 41,137,170 km (0.082 R)
• M36: 43,944,973 km (0.099 R)
• M37: 45,047,360 km (0.114 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 553 - 12,907 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit