🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.4

Radius: 12.4

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.69 AU - 0.99 AU

Year: 505 Days

Day: 12.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,291,029 km

• M1: 154,535 km (0.096 R)
• M2: 597,195 km (0.043 R)
• M3: 1,233,734 km (0.106 R)
• M4: 1,813,725 km (0.116 R)
• M5: 2,335,223 km (0.086 R)
• M6: 3,081,417 km (0.116 R)
• M7: 3,817,438 km (0.106 R)
• M8: 4,440,214 km (0.092 R)
• M9: 5,346,777 km (0.058 R)
• M10: 6,053,927 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.6

Radius: 14.1

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.81 AU - 0.89 AU

Year: 514 Days

Day: 9.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 81,291,029 km

• M1: 175,329 km (0.114 R)
• M2: 836,252 km (0.092 R)
• M3: 1,400,984 km (0.071 R)
• M4: 3,205,434 km (0.093 R)
• M5: 3,761,190 km (0.107 R)
• M6: 5,192,542 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.5

Radius: 14

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.75 AU - 1.03 AU

Year: 551 Days

Day: 6.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,291,029 km

• M1: 174,431 km (0.055 R)
• M2: 689,646 km (0.093 R)
• M3: 1,205,310 km (0.112 R)
• M4: 1,655,001 km (0.108 R)
• M5: 2,147,926 km (0.063 R)
• M6: 2,708,021 km (0.092 R)
• M7: 3,150,382 km (0.099 R)
• M8: 3,732,467 km (0.096 R)
• M9: 4,226,439 km (0.113 R)
• M10: 5,296,961 km (0.091 R)
• M11: 5,833,569 km (0.088 R)
• M12: 6,463,974 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.9

Radius: 11.4

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.88 AU - 0.92 AU

Year: 560 Days

Day: 13.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,291,029 km

• M1: 141,819 km (0.112 R)
• M2: 556,953 km (0.05 R)
• M3: 932,593 km (0.076 R)
• M4: 1,302,848 km (0.12 R)
• M5: 1,757,476 km (0.025 R)
• M6: 2,240,378 km (0.114 R)
• M7: 2,755,144 km (0.117 R)
• M8: 3,161,601 km (0.103 R)
• M9: 3,541,879 km (0.09 R)
• M10: 4,214,471 km (0.046 R)
• M11: 5,346,030 km (0.11 R)
• M12: 6,958,994 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.9

Radius: 10.3

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.94 AU - 1.46 AU

Year: 862 Days

Day: 7.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 115.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,291,029 km

• M1: 129,103 km (0.1 R)
• M2: 486,043 km (0.071 R)
• M3: 883,226 km (0.085 R)
• M4: 1,583,643 km (0.112 R)
• M5: 2,313,830 km (0.085 R)
• M6: 2,980,139 km (0.077 R)
• M7: 3,332,442 km (0.099 R)
• M8: 3,870,097 km (0.117 R)
• M9: 5,014,670 km (0.094 R)
• M10: 5,553,073 km (0.11 R)
• M11: 6,745,966 km (0.069 R)
• M12: 7,135,070 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.9

Radius: 14.5

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.33 AU - 1.53 AU

Year: 1122 Days

Day: 12.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,291,029 km

• M1: 180,415 km (0.087 R)
• M2: 644,767 km (0.095 R)
• M3: 1,281,007 km (0.108 R)
• M4: 1,812,677 km (0.054 R)
• M5: 2,433,658 km (0.109 R)
• M6: 3,014,547 km (0.099 R)
• M7: 3,782,433 km (0.1 R)
• M8: 6,213,697 km (0.082 R)
• M9: 7,284,519 km (0.103 R)
• M10: 8,254,511 km (0.106 R)
• M11: 10,291,586 km (0.104 R)
• M12: 10,775,535 km (0.105 R)
• M13: 11,342,511 km (0.073 R)

Asteroid Belt

Center: 1.99 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.7

Radius: 11

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.48 AU - 2.6 AU

Year: 2656 Days

Day: 14.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,291,029 km

• M1: 150,346 km (0.116 R)
• M2: 651,948 km (0.071 R)
• M3: 1,144,873 km (0.103 R)
• M4: 1,494,333 km (0.118 R)
• M5: 1,916,349 km (0.097 R)
• M6: 3,413,375 km (0.048 R)
• M7: 4,575,600 km (0.075 R)
• M8: 5,235,925 km (0.052 R)
• M9: 5,626,675 km (0.075 R)
• M10: 6,522,467 km (0.071 R)
• M11: 7,033,942 km (0.079 R)
• M12: 7,851,046 km (0.11 R)
• M13: 8,831,959 km (0.116 R)
• M14: 9,529,983 km (0.105 R)
• M15: 9,929,409 km (0.069 R)
• M16: 12,096,933 km (0.062 R)
• M17: 12,695,623 km (0.083 R)
• M18: 13,358,791 km (0.059 R)
• M19: 13,952,096 km (0.077 R)
• M20: 14,754,389 km (0.102 R)
• M21: 16,868,357 km (0.046 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.8

Radius: 10

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.83 AU - 4.45 AU

Year: 5526 Days

Day: 8.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 81,291,029 km

• M1: 124,316 km (0.101 R)
• M2: 512,074 km (0.114 R)
• M3: 833,859 km (0.105 R)
• M4: 1,654,403 km (0.083 R)
• M5: 2,002,068 km (0.086 R)
• M6: 2,364,993 km (0.118 R)
• M7: 2,697,998 km (0.111 R)
• M8: 3,042,372 km (0.114 R)
• M9: 4,231,974 km (0.119 R)
• M10: 4,672,689 km (0.074 R)
• M11: 5,831,475 km (0.069 R)
• M12: 7,029,454 km (0.098 R)
• M13: 7,762,035 km (0.12 R)
• M14: 8,789,772 km (0.111 R)
• M15: 9,250,833 km (0.076 R)
• M16: 10,684,729 km (0.052 R)
• M17: 13,322,289 km (0.096 R)
• M18: 15,931,724 km (0.093 R)
• M19: 17,323,882 km (0.089 R)
• M20: 22,447,011 km (0.091 R)
• M21: 23,309,592 km (0.097 R)
• M22: 24,031,552 km (0.095 R)
• M23: 24,685,743 km (0.039 R)
• M24: 29,231,125 km (0.077 R)
• M25: 32,092,034 km (0.047 R)
• M26: 32,487,122 km (0.084 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.5

Radius: 8.5

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.07 AU - 4.93 AU

Year: 6262 Days

Day: 12.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 154 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 81,291,029 km

• M1: 105,915 km (0.116 R)
• M2: 407,205 km (0.108 R)
• M3: 1,128,417 km (0.07 R)
• M4: 2,448,319 km (0.05 R)
• M5: 2,736,295 km (0.05 R)
• M6: 3,148,886 km (0.043 R)
• M7: 3,625,205 km (0.096 R)
• M8: 4,428,995 km (0.093 R)
• M9: 4,694,680 km (0.106 R)
• M10: 5,229,044 km (0.04 R)
• M11: 5,617,699 km (0.068 R)
• M12: 8,168,941 km (0.079 R)
• M13: 12,371,445 km (0.104 R)
• M14: 13,171,195 km (0.081 R)
• M15: 14,061,601 km (0.062 R)
• M16: 15,290,698 km (0.11 R)
• M17: 15,654,669 km (0.1 R)
• M18: 16,653,385 km (0.116 R)
• M19: 17,298,899 km (0.06 R)
• M20: 17,961,020 km (0.067 R)
• M21: 18,502,713 km (0.085 R)
• M22: 21,001,596 km (0.092 R)
• M23: 22,761,316 km (0.081 R)
• M24: 24,782,982 km (0.052 R)
• M25: 25,285,331 km (0.051 R)
• M26: 26,051,721 km (0.085 R)
• M27: 27,274,684 km (0.107 R)
• M28: 30,307,781 km (0.099 R)
• M29: 33,355,388 km (0.1 R)
• M30: 33,660,718 km (0.109 R)
• M31: 34,900,734 km (0.094 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 984.2

Radius: 4.6

Gravity: 46.51 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 7.78 AU - 10.7 AU

Year: 18425 Days

Day: 16 Hours

Environment

Temp: -221 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 81,291,029 km

• M1: 58,194 km (0.12 R)
• M2: 252,671 km (0.067 R)
• M3: 659,577 km (0.116 R)
• M4: 1,674,000 km (0.081 R)
• M5: 3,480,694 km (0.048 R)
• M6: 3,660,959 km (0.093 R)
• M7: 4,550,019 km (0.099 R)
• M8: 5,533,924 km (0.118 R)
• M9: 6,249,301 km (0.109 R)
• M10: 7,459,698 km (0.119 R)
• M11: 7,861,518 km (0.067 R)
• M12: 8,873,547 km (0.087 R)
• M13: 9,153,744 km (0.117 R)
• M14: 13,352,508 km (0.099 R)
• M15: 15,101,157 km (0.045 R)
• M16: 15,743,530 km (0.041 R)
• M17: 16,487,780 km (0.047 R)
• M18: 19,794,641 km (0.1 R)
• M19: 23,946,430 km (0.107 R)
• M20: 24,380,115 km (0.071 R)
• M21: 28,643,056 km (0.074 R)
• M22: 39,053,422 km (0.116 R)
• M23: 41,182,798 km (0.118 R)
• M24: 46,505,640 km (0.109 R)
• M25: 46,842,235 km (0.081 R)
• M26: 53,181,893 km (0.094 R)
• M27: 54,105,211 km (0.114 R)
• M28: 70,145,843 km (0.119 R)
• M29: 70,366,949 km (0.109 R)
• M30: 71,256,009 km (0.091 R)
• M31: 73,511,346 km (0.064 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 244 - 13,125 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit