🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.1

Radius: 11.9

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.47 AU - 0.77 AU

Year: 326 Days

Day: 9 Hours

Environment

Temp: -160 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,109,398 km

• M1: 147,952 km (0.103 R)
• M2: 523,892 km (0.095 R)
• M3: 927,806 km (0.118 R)
• M4: 1,345,483 km (0.098 R)
• M5: 2,039,767 km (0.112 R)
• M6: 2,712,060 km (0.116 R)
• M7: 3,205,284 km (0.104 R)
• M8: 3,635,976 km (0.054 R)
• M9: 4,010,569 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.3

Radius: 8.2

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.5 AU - 0.76 AU

Year: 333 Days

Day: 5.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,109,398 km

• M1: 102,325 km (0.087 R)
• M2: 413,489 km (0.095 R)
• M3: 1,167,013 km (0.103 R)
• M4: 1,460,225 km (0.099 R)
• M5: 2,041,861 km (0.084 R)
• M6: 3,008,114 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383

Radius: 11.6

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.88 AU - 1.32 AU

Year: 769 Days

Day: 12.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 59.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,109,398 km

• M1: 144,212 km (0.038 R)
• M2: 838,945 km (0.118 R)
• M3: 1,222,065 km (0.101 R)
• M4: 1,828,385 km (0.05 R)
• M5: 2,268,203 km (0.114 R)
• M6: 3,376,873 km (0.075 R)
• M7: 4,233,470 km (0.104 R)
• M8: 4,595,796 km (0.054 R)
• M9: 5,246,397 km (0.056 R)
• M10: 7,080,168 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.3

Radius: 9.9

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.38 AU - 1.4 AU

Year: 1093 Days

Day: 10 Hours

Environment

Temp: -182 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,109,398 km

• M1: 123,119 km (0.077 R)
• M2: 480,808 km (0.036 R)
• M3: 861,684 km (0.106 R)
• M4: 1,440,029 km (0.107 R)
• M5: 1,911,262 km (0.052 R)
• M6: 2,241,724 km (0.093 R)
• M7: 3,019,932 km (0.101 R)
• M8: 3,367,747 km (0.117 R)
• M9: 4,279,995 km (0.113 R)
• M10: 4,885,118 km (0.047 R)
• M11: 5,225,902 km (0.06 R)
• M12: 6,445,275 km (0.081 R)
• M13: 6,982,780 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.5

Radius: 10.8

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.27 AU - 1.81 AU

Year: 1274 Days

Day: 13 Hours

Environment

Temp: -193 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,109,398 km

• M1: 134,488 km (0.114 R)
• M2: 610,060 km (0.058 R)
• M3: 1,073,664 km (0.072 R)
• M4: 1,479,074 km (0.073 R)
• M5: 1,819,858 km (0.097 R)
• M6: 2,343,899 km (0.081 R)
• M7: 3,304,617 km (0.095 R)
• M8: 3,970,178 km (0.094 R)
• M9: 4,591,009 km (0.111 R)
• M10: 5,794,225 km (0.114 R)
• M11: 6,407,875 km (0.075 R)
• M12: 6,934,011 km (0.088 R)
• M13: 7,626,051 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.4

Radius: 12.6

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.28 AU - 1.88 AU

Year: 1324 Days

Day: 8.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,109,398 km

• M1: 156,779 km (0.09 R)
• M2: 561,291 km (0.115 R)
• M3: 1,491,640 km (0.056 R)
• M4: 2,352,427 km (0.083 R)
• M5: 3,362,362 km (0.066 R)
• M6: 4,046,024 km (0.115 R)
• M7: 4,468,937 km (0.105 R)
• M8: 4,921,471 km (0.067 R)
• M9: 5,318,204 km (0.115 R)
• M10: 9,094,503 km (0.073 R)
• M11: 9,694,989 km (0.041 R)
• M12: 10,766,260 km (0.081 R)
• M13: 11,767,069 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.1

Radius: 10.7

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.32 AU - 4.38 AU

Year: 6050 Days

Day: 7.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 62,109,398 km

• M1: 133,142 km (0.115 R)
• M2: 480,359 km (0.038 R)
• M3: 815,308 km (0.072 R)
• M4: 1,594,265 km (0.08 R)
• M5: 2,357,812 km (0.114 R)
• M6: 2,892,026 km (0.072 R)
• M7: 3,263,029 km (0.081 R)
• M8: 4,765,291 km (0.074 R)
• M9: 5,406,766 km (0.096 R)
• M10: 6,171,062 km (0.096 R)
• M11: 6,614,470 km (0.06 R)
• M12: 7,300,526 km (0.072 R)
• M13: 8,479,806 km (0.073 R)
• M14: 9,918,937 km (0.049 R)
• M15: 10,720,931 km (0.074 R)
• M16: 11,312,741 km (0.097 R)
• M17: 14,132,062 km (0.094 R)
• M18: 14,544,354 km (0.099 R)
• M19: 16,597,285 km (0.09 R)
• M20: 18,276,073 km (0.06 R)
• M21: 22,125,675 km (0.111 R)
• M22: 24,239,493 km (0.087 R)
• M23: 26,307,085 km (0.09 R)
• M24: 27,111,921 km (0.111 R)
• M25: 28,210,418 km (0.109 R)
• M26: 31,784,611 km (0.116 R)
• M27: 33,732,375 km (0.077 R)
• M28: 34,469,593 km (0.083 R)
• M29: 35,325,293 km (0.034 R)
• M30: 36,304,860 km (0.088 R)
• M31: 36,856,876 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.6

Radius: 9.1

Gravity: 11.37 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.92 AU - 5.6 AU

Year: 6925 Days

Day: 8.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 62,109,398 km

• M1: 113,246 km (0.074 R)
• M2: 639,381 km (0.107 R)
• M3: 941,270 km (0.109 R)
• M4: 1,247,796 km (0.061 R)
• M5: 1,806,843 km (0.088 R)
• M6: 2,980,588 km (0.041 R)
• M7: 3,633,134 km (0.036 R)
• M8: 4,432,735 km (0.072 R)
• M9: 5,037,858 km (0.084 R)
• M10: 6,591,881 km (0.069 R)
• M11: 6,922,492 km (0.108 R)
• M12: 7,419,606 km (0.102 R)
• M13: 9,054,860 km (0.112 R)
• M14: 9,556,611 km (0.067 R)
• M15: 9,980,721 km (0.032 R)
• M16: 13,079,791 km (0.106 R)
• M17: 13,662,026 km (0.034 R)
• M18: 14,079,852 km (0.107 R)
• M19: 14,629,475 km (0.115 R)
• M20: 14,940,938 km (0.037 R)
• M21: 18,232,689 km (0.117 R)
• M22: 18,812,531 km (0.081 R)
• M23: 19,255,340 km (0.111 R)
• M24: 19,629,634 km (0.07 R)
• M25: 20,085,309 km (0.096 R)
• M26: 22,885,033 km (0.092 R)
• M27: 23,220,731 km (0.035 R)
• M28: 23,988,168 km (0.103 R)
• M29: 25,573,457 km (0.073 R)
• M30: 26,025,841 km (0.086 R)
• M31: 27,415,455 km (0.116 R)
• M32: 28,562,123 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701.4

Radius: 7.1

Gravity: 13.91 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.23 AU - 6.49 AU

Year: 9460 Days

Day: 16.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,109,398 km

• M1: 88,861 km (0.076 R)
• M2: 363,822 km (0.113 R)
• M3: 831,914 km (0.078 R)
• M4: 1,198,279 km (0.115 R)
• M5: 1,882,689 km (0.114 R)
• M6: 3,290,854 km (0.07 R)
• M7: 4,019,695 km (0.104 R)
• M8: 7,569,054 km (0.113 R)
• M9: 8,513,914 km (0.08 R)
• M10: 14,506,655 km (0.111 R)
• M11: 25,522,145 km (0.093 R)
• M12: 26,085,830 km (0.051 R)
• M13: 31,111,420 km (0.102 R)
• M14: 34,645,221 km (0.066 R)
• M15: 39,552,331 km (0.069 R)
• M16: 41,975,667 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698.1

Radius: 6.8

Gravity: 15.1 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.73 AU - 8.93 AU

Year: 14611 Days

Day: 19.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 62,109,398 km

• M1: 96,640 km (0.081 R)
• M2: 516,711 km (0.057 R)
• M3: 791,074 km (0.053 R)
• M4: 1,042,099 km (0.116 R)
• M5: 1,693,149 km (0.117 R)
• M6: 2,233,496 km (0.11 R)
• M7: 7,837,732 km (0.065 R)
• M8: 8,556,549 km (0.068 R)
• M9: 9,059,797 km (0.11 R)
• M10: 9,318,601 km (0.09 R)
• M11: 10,745,316 km (0.109 R)
• M12: 11,330,992 km (0.098 R)
• M13: 11,937,760 km (0.116 R)
• M14: 13,282,047 km (0.105 R)
• M15: 15,010,351 km (0.095 R)
• M16: 25,731,432 km (0.098 R)
• M17: 27,852,880 km (0.12 R)
• M18: 31,485,415 km (0.073 R)
• M19: 33,537,898 km (0.058 R)
• M20: 39,811,733 km (0.103 R)
• M21: 42,065,276 km (0.106 R)
• M22: 44,253,743 km (0.079 R)
• M23: 44,999,937 km (0.093 R)
• M24: 54,447,342 km (0.076 R)
• M25: 54,788,874 km (0.071 R)
• M26: 60,267,148 km (0.061 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 449 - 11,211 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit