🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.1

Radius: 12.3

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.33 AU - 1.39 AU

Year: 1008 Days

Day: 13.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,830,246 km

• M1: 153,039 km (0.042 R)
• M2: 593,904 km (0.113 R)
• M3: 1,242,410 km (0.059 R)
• M4: 1,827,188 km (0.116 R)
• M5: 2,322,507 km (0.118 R)
• M6: 3,277,689 km (0.051 R)
• M7: 3,918,118 km (0.088 R)
• M8: 4,320,536 km (0.098 R)
• M9: 5,034,118 km (0.079 R)
• M10: 5,429,655 km (0.072 R)
• M11: 6,239,129 km (0.118 R)
• M12: 6,719,936 km (0.12 R)
• M13: 7,176,359 km (0.082 R)
• M14: 9,388,613 km (0.116 R)
• M15: 10,942,187 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.7

Radius: 10.4

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.43 AU - 1.63 AU

Year: 1203 Days

Day: 8.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,830,246 km

• M1: 129,402 km (0.108 R)
• M2: 574,007 km (0.088 R)
• M3: 944,561 km (0.08 R)
• M4: 1,346,231 km (0.091 R)
• M5: 1,811,780 km (0.048 R)
• M6: 2,195,349 km (0.115 R)
• M7: 3,217,551 km (0.044 R)
• M8: 4,023,734 km (0.107 R)
• M9: 4,456,221 km (0.072 R)
• M10: 5,060,447 km (0.12 R)
• M11: 5,435,788 km (0.113 R)
• M12: 5,785,099 km (0.086 R)
• M13: 6,196,045 km (0.118 R)
• M14: 6,849,039 km (0.058 R)
• M15: 8,726,642 km (0.057 R)
• M16: 9,641,732 km (0.102 R)
• M17: 11,519,036 km (0.115 R)
• M18: 12,097,381 km (0.092 R)
• M19: 12,581,480 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.2

Radius: 11.2

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.62 AU - 1.7 AU

Year: 1360 Days

Day: 11.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,830,246 km

• M1: 139,575 km (0.073 R)
• M2: 550,819 km (0.085 R)
• M3: 944,561 km (0.059 R)
• M4: 1,361,341 km (0.066 R)
• M5: 1,813,425 km (0.119 R)
• M6: 2,217,489 km (0.05 R)
• M7: 3,507,920 km (0.04 R)
• M8: 3,906,000 km (0.082 R)
• M9: 4,423,609 km (0.084 R)
• M10: 4,986,695 km (0.099 R)
• M11: 5,597,055 km (0.119 R)
• M12: 6,211,004 km (0.119 R)
• M13: 6,820,915 km (0.116 R)
• M14: 7,863,462 km (0.046 R)
• M15: 8,464,996 km (0.092 R)
• M16: 8,834,801 km (0.07 R)
• M17: 10,294,877 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.7

Radius: 12.7

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.55 AU - 1.89 AU

Year: 1434 Days

Day: 11.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,830,246 km

• M1: 165,754 km (0.085 R)
• M2: 669,750 km (0.059 R)
• M3: 1,115,402 km (0.064 R)
• M4: 1,711,848 km (0.109 R)
• M5: 2,401,195 km (0.034 R)
• M6: 2,881,405 km (0.116 R)
• M7: 3,353,835 km (0.096 R)
• M8: 4,086,415 km (0.097 R)
• M9: 5,522,256 km (0.096 R)
• M10: 6,278,473 km (0.081 R)
• M11: 6,843,504 km (0.116 R)
• M12: 9,107,070 km (0.061 R)
• M13: 10,133,161 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.7

Radius: 14.8

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.68 AU - 2.06 AU

Year: 1626 Days

Day: 14.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,830,246 km

• M1: 184,155 km (0.069 R)
• M2: 727,644 km (0.106 R)
• M3: 1,327,980 km (0.103 R)
• M4: 1,921,585 km (0.072 R)
• M5: 2,732,555 km (0.096 R)
• M6: 3,414,871 km (0.106 R)
• M7: 4,008,625 km (0.104 R)
• M8: 4,552,413 km (0.071 R)
• M9: 5,405,869 km (0.047 R)
• M10: 6,168,369 km (0.081 R)
• M11: 6,639,303 km (0.066 R)
• M12: 7,738,399 km (0.032 R)
• M13: 8,556,400 km (0.093 R)
• M14: 9,626,773 km (0.085 R)
• M15: 12,535,554 km (0.114 R)
• M16: 13,132,449 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.2

Radius: 14.7

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.6 AU - 2.58 AU

Year: 1921 Days

Day: 12.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 35,830,246 km

• M1: 187,446 km (0.064 R)
• M2: 962,513 km (0.104 R)
• M3: 1,651,261 km (0.077 R)
• M4: 3,343,064 km (0.096 R)
• M5: 6,216,240 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.9

Radius: 8

Gravity: 12.14 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.58 AU - 4 AU

Year: 4691 Days

Day: 8.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 35,830,246 km

• M1: 99,483 km (0.077 R)
• M2: 351,106 km (0.079 R)
• M3: 610,060 km (0.116 R)
• M4: 871,707 km (0.071 R)
• M5: 1,378,096 km (0.104 R)
• M6: 1,685,818 km (0.101 R)
• M7: 2,083,001 km (0.084 R)
• M8: 3,859,625 km (0.075 R)
• M9: 4,552,562 km (0.049 R)
• M10: 4,809,871 km (0.098 R)
• M11: 5,131,506 km (0.105 R)
• M12: 5,640,887 km (0.114 R)
• M13: 6,596,817 km (0.065 R)
• M14: 6,927,129 km (0.096 R)
• M15: 7,947,985 km (0.051 R)
• M16: 11,705,435 km (0.097 R)
• M17: 12,141,214 km (0.117 R)
• M18: 12,537,648 km (0.046 R)
• M19: 12,993,921 km (0.085 R)
• M20: 13,778,861 km (0.064 R)
• M21: 14,155,848 km (0.091 R)
• M22: 14,429,313 km (0.112 R)
• M23: 17,299,199 km (0.077 R)
• M24: 17,992,136 km (0.041 R)
• M25: 19,366,192 km (0.063 R)
• M26: 19,975,953 km (0.096 R)
• M27: 21,664,764 km (0.079 R)
• M28: 25,646,311 km (0.04 R)
• M29: 27,130,771 km (0.096 R)
• M30: 27,553,235 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.4

Radius: 9.8

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.4 AU - 4.7 AU

Year: 5182 Days

Day: 10.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 88.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,830,246 km

• M1: 121,922 km (0.09 R)
• M2: 466,147 km (0.097 R)
• M3: 962,662 km (0.096 R)
• M4: 1,299,407 km (0.116 R)
• M5: 2,679,148 km (0.114 R)
• M6: 3,161,003 km (0.103 R)
• M7: 4,347,464 km (0.113 R)
• M8: 4,881,528 km (0.094 R)
• M9: 5,401,830 km (0.115 R)
• M10: 7,256,245 km (0.091 R)
• M11: 8,157,572 km (0.103 R)
• M12: 8,538,298 km (0.03 R)
• M13: 9,212,985 km (0.074 R)
• M14: 11,450,969 km (0.064 R)
• M15: 12,873,794 km (0.109 R)
• M16: 13,814,167 km (0.1 R)
• M17: 15,309,547 km (0.081 R)
• M18: 16,066,811 km (0.106 R)
• M19: 17,846,128 km (0.09 R)
• M20: 18,554,175 km (0.084 R)
• M21: 18,948,066 km (0.098 R)
• M22: 21,574,706 km (0.111 R)
• M23: 23,659,053 km (0.088 R)
• M24: 28,570,949 km (0.113 R)
• M25: 29,450,734 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 573.4

Radius: 5.5

Gravity: 18.96 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 8.29 AU - 11.37 AU

Year: 19596 Days

Day: 15.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,830,246 km

• M1: 68,366 km (0.088 R)
• M2: 275,110 km (0.08 R)
• M3: 473,776 km (0.109 R)
• M4: 2,701,588 km (0.119 R)
• M5: 3,177,010 km (0.076 R)
• M6: 5,966,113 km (0.111 R)
• M7: 6,594,573 km (0.103 R)
• M8: 7,835,338 km (0.1 R)
• M9: 8,536,503 km (0.097 R)
• M10: 11,012,198 km (0.111 R)
• M11: 12,680,065 km (0.102 R)
• M12: 14,000,416 km (0.119 R)
• M13: 15,952,219 km (0.112 R)
• M14: 19,566,354 km (0.062 R)
• M15: 21,997,021 km (0.055 R)
• M16: 23,998,490 km (0.081 R)
• M17: 28,706,186 km (0.085 R)
• M18: 30,122,130 km (0.06 R)
• M19: 31,091,524 km (0.095 R)
• M20: 52,104,938 km (0.081 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 72.5

Radius: 4.1

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 7.84 AU - 12 AU

Year: 19866 Days

Day: 19.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 78.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 35,830,246 km

• M1: 70,760 km (0.081 R)
• M2: 205,996 km (0.084 R)
• M3: 359,184 km (0.102 R)
• M4: 644,318 km (0.05 R)
• M5: 795,113 km (0.114 R)
• M6: 969,544 km (0.092 R)
• M7: 1,212,491 km (0.046 R)
• M8: 1,706,463 km (0.097 R)
• M9: 2,323,704 km (0.101 R)
• M10: 2,856,123 km (0.049 R)
• M11: 4,741,505 km (0.101 R)
• M12: 5,684,869 km (0.055 R)
• M13: 8,619,530 km (0.059 R)
• M14: 9,299,004 km (0.119 R)
• M15: 10,244,163 km (0.105 R)
• M16: 10,384,187 km (0.06 R)
• M17: 11,350,888 km (0.088 R)
• M18: 13,294,613 km (0.094 R)
• M19: 15,943,991 km (0.077 R)
• M20: 18,925,028 km (0.082 R)
• M21: 22,492,489 km (0.037 R)
• M22: 23,288,200 km (0.067 R)
• M23: 23,611,780 km (0.112 R)
• M24: 26,483,461 km (0.117 R)
• M25: 27,821,165 km (0.073 R)
• M26: 32,303,416 km (0.074 R)
• M27: 33,520,395 km (0.075 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 18,264 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit