🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.9

Radius: 13.8

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.75 AU - 1.21 AU

Year: 658 Days

Day: 13.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,666,891 km

• M1: 171,738 km (0.09 R)
• M2: 636,090 km (0.099 R)
• M3: 1,130,810 km (0.066 R)
• M4: 1,618,948 km (0.109 R)
• M5: 2,325,349 km (0.098 R)
• M6: 3,645,999 km (0.098 R)
• M7: 4,586,372 km (0.057 R)
• M8: 5,594,063 km (0.087 R)
• M9: 6,122,592 km (0.079 R)
• M10: 6,624,643 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441

Radius: 12.1

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.11 AU - 1.17 AU

Year: 826 Days

Day: 12 Hours

Environment

Temp: -189 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,666,891 km

• M1: 150,495 km (0.099 R)
• M2: 797,207 km (0.104 R)
• M3: 1,183,469 km (0.082 R)
• M4: 1,560,904 km (0.09 R)
• M5: 1,984,865 km (0.077 R)
• M6: 2,635,166 km (0.101 R)
• M7: 3,555,941 km (0.093 R)
• M8: 4,165,553 km (0.076 R)
• M9: 4,567,223 km (0.101 R)
• M10: 5,931,406 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.9

Radius: 8

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.34 AU - 1.48 AU

Year: 1136 Days

Day: 15 Hours

Environment

Temp: -189 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,666,891 km

• M1: 99,483 km (0.094 R)
• M2: 366,814 km (0.079 R)
• M3: 742,454 km (0.1 R)
• M4: 1,209,349 km (0.116 R)
• M5: 3,204,087 km (0.099 R)
• M6: 5,242,957 km (0.114 R)
• M7: 5,520,461 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.3

Radius: 8.9

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.23 AU - 1.77 AU

Year: 1246 Days

Day: 8.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,666,891 km

• M1: 111,151 km (0.096 R)
• M2: 500,554 km (0.115 R)
• M3: 940,971 km (0.097 R)
• M4: 1,477,429 km (0.093 R)
• M5: 1,771,388 km (0.109 R)
• M6: 2,334,026 km (0.078 R)
• M7: 3,334,985 km (0.061 R)
• M8: 4,122,917 km (0.115 R)
• M9: 4,430,042 km (0.119 R)
• M10: 5,131,357 km (0.027 R)
• M11: 5,573,418 km (0.115 R)
• M12: 6,977,993 km (0.048 R)
• M13: 9,108,416 km (0.037 R)
• M14: 9,662,975 km (0.111 R)
• M15: 10,503,416 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.3

Radius: 10.3

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.32 AU - 1.9 AU

Year: 1386 Days

Day: 12.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,666,891 km

• M1: 129,402 km (0.095 R)
• M2: 594,801 km (0.106 R)
• M3: 1,439,730 km (0.1 R)
• M4: 1,876,855 km (0.115 R)
• M5: 2,307,846 km (0.12 R)
• M6: 3,682,202 km (0.118 R)
• M7: 5,226,650 km (0.076 R)
• M8: 6,456,195 km (0.091 R)
• M9: 6,889,730 km (0.055 R)
• M10: 7,445,935 km (0.062 R)
• M11: 8,004,533 km (0.112 R)
• M12: 8,505,237 km (0.113 R)
• M13: 10,134,209 km (0.105 R)

Asteroid Belt

Center: 3.77 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 124.3

Radius: 5.8

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.37 AU - 6.49 AU

Year: 9794 Days

Day: 15.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,666,891 km

• M1: 72,106 km (0.117 R)
• M2: 664,364 km (0.115 R)
• M3: 1,884,933 km (0.067 R)
• M4: 2,164,831 km (0.088 R)
• M5: 2,636,363 km (0.118 R)
• M6: 2,861,059 km (0.074 R)
• M7: 3,250,911 km (0.113 R)
• M8: 3,978,705 km (0.113 R)
• M9: 4,159,419 km (0.087 R)
• M10: 4,963,358 km (0.117 R)
• M11: 5,172,945 km (0.115 R)
• M12: 5,722,867 km (0.11 R)
• M13: 6,280,717 km (0.104 R)
• M14: 7,504,278 km (0.102 R)
• M15: 8,171,933 km (0.086 R)
• M16: 9,544,793 km (0.031 R)
• M17: 10,117,902 km (0.06 R)
• M18: 11,242,729 km (0.042 R)
• M19: 14,574,573 km (0.053 R)
• M20: 15,114,322 km (0.083 R)
• M21: 15,611,435 km (0.076 R)
• M22: 17,407,208 km (0.113 R)
• M23: 19,079,563 km (0.12 R)
• M24: 19,987,622 km (0.071 R)
• M25: 20,185,989 km (0.093 R)
• M26: 20,519,293 km (0.119 R)
• M27: 22,525,699 km (0.096 R)
• M28: 23,466,221 km (0.072 R)
• M29: 25,117,034 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 382.6

Radius: 4

Gravity: 23.91 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 9.82 AU - 9.88 AU

Year: 20967 Days

Day: 17.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 64,666,891 km

• M1: 49,816 km (0.086 R)
• M2: 188,493 km (0.111 R)
• M3: 439,219 km (0.078 R)
• M4: 1,172,399 km (0.053 R)
• M5: 1,307,485 km (0.09 R)
• M6: 1,675,047 km (0.109 R)
• M7: 1,811,929 km (0.116 R)
• M8: 2,500,828 km (0.038 R)
• M9: 2,657,307 km (0.119 R)
• M10: 2,844,005 km (0.12 R)
• M11: 3,794,999 km (0.101 R)
• M12: 5,045,188 km (0.075 R)
• M13: 7,018,683 km (0.045 R)
• M14: 8,722,453 km (0.091 R)
• M15: 8,927,403 km (0.051 R)
• M16: 9,083,134 km (0.057 R)
• M17: 10,918,101 km (0.106 R)
• M18: 15,153,666 km (0.075 R)
• M19: 15,977,352 km (0.111 R)
• M20: 16,439,011 km (0.119 R)
• M21: 16,830,508 km (0.11 R)
• M22: 17,148,105 km (0.096 R)
• M23: 17,713,435 km (0.054 R)
• M24: 18,207,856 km (0.114 R)
• M25: 18,881,346 km (0.09 R)
• M26: 23,471,308 km (0.051 R)
• M27: 28,415,068 km (0.082 R)
• M28: 28,865,358 km (0.119 R)
• M29: 29,320,285 km (0.099 R)
• M30: 30,950,453 km (0.077 R)
• M31: 36,465,379 km (0.086 R)
• M32: 36,597,773 km (0.111 R)
• M33: 36,863,608 km (0.09 R)
• M34: 42,894,497 km (0.083 R)
• M35: 43,189,952 km (0.089 R)
• M36: 45,449,479 km (0.088 R)
• M37: 47,628,222 km (0.098 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: 503 - 10,979 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit