🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.8

Radius: 14.4

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.61 AU - 0.79 AU

Year: 397 Days

Day: 10.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,752,773 km

• M1: 179,069 km (0.106 R)
• M2: 630,106 km (0.05 R)
• M3: 1,133,204 km (0.119 R)
• M4: 1,640,939 km (0.109 R)
• M5: 2,171,114 km (0.103 R)
• M6: 2,910,427 km (0.097 R)
• M7: 3,417,115 km (0.094 R)
• M8: 4,323,827 km (0.064 R)
• M9: 4,819,595 km (0.027 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.7

Radius: 10.8

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.68 AU - 1.1 AU

Year: 569 Days

Day: 9.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,752,773 km

• M1: 134,339 km (0.097 R)
• M2: 710,739 km (0.097 R)
• M3: 1,132,605 km (0.114 R)
• M4: 2,777,733 km (0.112 R)
• M5: 3,516,298 km (0.065 R)
• M6: 4,191,732 km (0.109 R)
• M7: 4,668,052 km (0.113 R)
• M8: 5,280,506 km (0.1 R)
• M9: 5,765,352 km (0.109 R)
• M10: 6,764,666 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.4

Radius: 8.9

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.25 AU - 2.03 AU

Year: 1424 Days

Day: 5.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,752,773 km

• M1: 110,702 km (0.108 R)
• M2: 392,545 km (0.111 R)
• M3: 687,701 km (0.099 R)
• M4: 988,543 km (0.105 R)
• M5: 1,644,380 km (0.119 R)
• M6: 2,377,409 km (0.086 R)
• M7: 2,986,572 km (0.071 R)
• M8: 3,374,928 km (0.115 R)
• M9: 3,881,616 km (0.112 R)
• M10: 4,400,870 km (0.081 R)
• M11: 4,865,072 km (0.111 R)
• M12: 5,150,655 km (0.093 R)
• M13: 6,169,117 km (0.078 R)
• M14: 6,701,237 km (0.079 R)
• M15: 7,664,946 km (0.093 R)
• M16: 9,800,755 km (0.1 R)
• M17: 10,291,137 km (0.11 R)
• M18: 10,832,232 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.2

Radius: 9.8

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2 AU - 2.54 AU

Year: 2320 Days

Day: 7.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,752,773 km

• M1: 123,269 km (0.05 R)
• M2: 593,604 km (0.113 R)
• M3: 1,005,597 km (0.049 R)
• M4: 1,476,681 km (0.12 R)
• M5: 2,196,695 km (0.117 R)
• M6: 2,684,534 km (0.081 R)
• M7: 3,370,739 km (0.089 R)
• M8: 3,878,325 km (0.08 R)
• M9: 4,263,539 km (0.083 R)
• M10: 4,574,104 km (0.095 R)
• M11: 4,920,573 km (0.093 R)
• M12: 5,372,808 km (0.114 R)
• M13: 5,876,204 km (0.066 R)
• M14: 6,385,884 km (0.097 R)
• M15: 7,438,006 km (0.118 R)
• M16: 7,947,686 km (0.115 R)
• M17: 8,911,096 km (0.082 R)
• M18: 11,771,108 km (0.063 R)
• M19: 12,660,917 km (0.082 R)
• M20: 13,020,999 km (0.083 R)
• M21: 13,553,268 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.4

Radius: 9.9

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.84 AU - 2.76 AU

Year: 2366 Days

Day: 7.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,752,773 km

• M1: 123,119 km (0.106 R)
• M2: 504,893 km (0.094 R)
• M3: 822,190 km (0.078 R)
• M4: 1,152,652 km (0.102 R)
• M5: 1,973,196 km (0.1 R)
• M6: 2,357,513 km (0.047 R)
• M7: 2,995,997 km (0.057 R)
• M8: 3,347,851 km (0.101 R)
• M9: 4,381,572 km (0.04 R)
• M10: 5,064,337 km (0.107 R)
• M11: 6,641,397 km (0.11 R)
• M12: 6,952,112 km (0.058 R)
• M13: 7,451,620 km (0.109 R)
• M14: 9,233,330 km (0.064 R)
• M15: 10,204,819 km (0.082 R)
• M16: 11,203,385 km (0.083 R)
• M17: 12,350,052 km (0.114 R)
• M18: 13,127,512 km (0.117 R)
• M19: 16,930,290 km (0.092 R)
• M20: 18,382,437 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.6

Radius: 13.9

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.94 AU - 3.42 AU

Year: 3846 Days

Day: 13.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,752,773 km

• M1: 177,423 km (0.11 R)
• M2: 816,804 km (0.076 R)
• M3: 1,638,396 km (0.108 R)
• M4: 2,556,628 km (0.105 R)
• M5: 3,017,838 km (0.092 R)
• M6: 4,354,794 km (0.05 R)
• M7: 5,272,128 km (0.042 R)
• M8: 7,789,561 km (0.09 R)
• M9: 8,625,963 km (0.091 R)
• M10: 10,193,001 km (0.104 R)
• M11: 13,490,138 km (0.111 R)
• M12: 14,800,765 km (0.102 R)
• M13: 15,326,900 km (0.085 R)
• M14: 16,584,570 km (0.082 R)
• M15: 17,969,098 km (0.048 R)
• M16: 19,057,123 km (0.11 R)
• M17: 20,188,681 km (0.069 R)
• M18: 23,213,102 km (0.03 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 361.5

Radius: 6

Gravity: 10.04 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.41 AU - 10.83 AU

Year: 18680 Days

Day: 18.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 58,752,773 km

• M1: 74,649 km (0.057 R)
• M2: 516,412 km (0.114 R)
• M3: 1,154,297 km (0.097 R)
• M4: 1,404,574 km (0.106 R)
• M5: 1,611,917 km (0.104 R)
• M6: 1,805,796 km (0.093 R)
• M7: 2,052,034 km (0.049 R)
• M8: 3,193,765 km (0.065 R)
• M9: 4,059,937 km (0.034 R)
• M10: 4,453,080 km (0.065 R)
• M11: 4,904,566 km (0.094 R)
• M12: 5,280,356 km (0.118 R)
• M13: 5,638,344 km (0.092 R)
• M14: 6,727,566 km (0.066 R)
• M15: 7,497,696 km (0.051 R)
• M16: 12,559,938 km (0.098 R)
• M17: 13,133,197 km (0.096 R)
• M18: 13,790,381 km (0.078 R)
• M19: 15,967,030 km (0.114 R)
• M20: 16,715,318 km (0.105 R)
• M21: 17,486,794 km (0.115 R)
• M22: 18,934,902 km (0.086 R)
• M23: 21,433,186 km (0.063 R)
• M24: 21,794,166 km (0.07 R)
• M25: 30,684,618 km (0.047 R)
• M26: 30,913,353 km (0.082 R)
• M27: 32,074,083 km (0.113 R)
• M28: 37,137,372 km (0.047 R)
• M29: 41,440,854 km (0.1 R)
• M30: 44,147,229 km (0.083 R)
• M31: 45,321,124 km (0.12 R)
• M32: 46,968,944 km (0.111 R)
• M33: 47,730,996 km (0.115 R)
• M34: 58,752,769 km (0.112 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 15,502 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit