🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.5

Radius: 14.1

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.05 AU - 1.43 AU

Year: 892 Days

Day: 7.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 66,280,863 km

• M1: 176,825 km (0.114 R)
• M2: 1,347,428 km (0.033 R)
• M3: 2,066,246 km (0.073 R)
• M4: 3,719,003 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.1

Radius: 13.5

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.23 AU - 1.31 AU

Year: 924 Days

Day: 13.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,280,863 km

• M1: 175,030 km (0.111 R)
• M2: 646,263 km (0.068 R)
• M3: 1,503,010 km (0.07 R)
• M4: 1,982,770 km (0.071 R)
• M5: 2,618,412 km (0.08 R)
• M6: 3,503,283 km (0.104 R)
• M7: 4,272,366 km (0.083 R)
• M8: 4,705,751 km (0.028 R)
• M9: 5,341,093 km (0.079 R)
• M10: 6,109,577 km (0.069 R)
• M11: 7,183,091 km (0.028 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.1

Radius: 9

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.79 AU - 2.63 AU

Year: 2121 Days

Day: 9.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,280,863 km

• M1: 112,049 km (0.06 R)
• M2: 505,192 km (0.104 R)
• M3: 1,037,162 km (0.104 R)
• M4: 1,545,944 km (0.06 R)
• M5: 1,943,127 km (0.113 R)
• M6: 2,345,844 km (0.082 R)
• M7: 2,693,809 km (0.053 R)
• M8: 3,642,559 km (0.084 R)
• M9: 5,494,730 km (0.118 R)
• M10: 5,809,633 km (0.044 R)
• M11: 6,549,844 km (0.117 R)
• M12: 6,981,583 km (0.102 R)
• M13: 8,188,239 km (0.034 R)
• M14: 9,180,373 km (0.115 R)
• M15: 9,624,678 km (0.107 R)
• M16: 12,065,218 km (0.112 R)
• M17: 12,483,045 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.3

Radius: 13.4

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.21 AU - 4.75 AU

Year: 5127 Days

Day: 11.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,280,863 km

• M1: 168,597 km (0.063 R)
• M2: 736,919 km (0.112 R)
• M3: 1,306,438 km (0.082 R)
• M4: 1,807,890 km (0.102 R)
• M5: 2,488,561 km (0.094 R)
• M6: 3,014,247 km (0.119 R)
• M7: 4,519,352 km (0.111 R)
• M8: 5,250,885 km (0.072 R)
• M9: 6,745,817 km (0.076 R)
• M10: 7,266,866 km (0.087 R)
• M11: 8,911,246 km (0.079 R)
• M12: 11,168,977 km (0.061 R)
• M13: 13,296,408 km (0.093 R)
• M14: 14,512,789 km (0.093 R)
• M15: 16,166,443 km (0.11 R)
• M16: 20,270,511 km (0.08 R)
• M17: 23,890,182 km (0.119 R)
• M18: 27,568,344 km (0.119 R)
• M19: 29,541,840 km (0.074 R)
• M20: 30,375,848 km (0.03 R)
• M21: 32,382,853 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.2

Radius: 14.6

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.55 AU - 4.81 AU

Year: 5518 Days

Day: 10.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,280,863 km

• M1: 181,612 km (0.083 R)
• M2: 950,994 km (0.088 R)
• M3: 1,966,614 km (0.05 R)
• M4: 2,502,174 km (0.101 R)
• M5: 3,055,537 km (0.077 R)
• M6: 7,485,877 km (0.08 R)
• M7: 9,314,263 km (0.081 R)
• M8: 10,893,418 km (0.09 R)
• M9: 11,375,871 km (0.043 R)
• M10: 18,405,774 km (0.119 R)
• M11: 19,723,432 km (0.098 R)
• M12: 29,631,000 km (0.116 R)
• M13: 31,439,339 km (0.104 R)
• M14: 32,618,769 km (0.028 R)
• M15: 34,649,709 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.1

Radius: 14

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.97 AU - 5.59 AU

Year: 6748 Days

Day: 13.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,280,863 km

• M1: 174,730 km (0.104 R)
• M2: 732,880 km (0.103 R)
• M3: 1,735,036 km (0.11 R)
• M4: 2,255,038 km (0.099 R)
• M5: 3,001,083 km (0.045 R)
• M6: 3,882,364 km (0.108 R)
• M7: 5,349,321 km (0.058 R)
• M8: 6,826,600 km (0.096 R)
• M9: 8,102,221 km (0.028 R)
• M10: 9,125,769 km (0.103 R)
• M11: 11,122,602 km (0.116 R)
• M12: 11,955,114 km (0.083 R)
• M13: 12,940,814 km (0.074 R)
• M14: 16,488,528 km (0.049 R)
• M15: 17,989,443 km (0.108 R)
• M16: 19,210,162 km (0.082 R)
• M17: 19,878,565 km (0.095 R)
• M18: 21,419,274 km (0.082 R)
• M19: 25,796,507 km (0.12 R)
• M20: 29,154,830 km (0.046 R)
• M21: 32,271,701 km (0.037 R)
• M22: 34,505,347 km (0.072 R)
• M23: 37,641,517 km (0.107 R)
• M24: 39,042,052 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 551.8

Radius: 3.6

Gravity: 42.58 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.68 AU - 7.06 AU

Year: 10381 Days

Day: 18.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,280,863 km

• M1: 53,706 km (0.092 R)
• M2: 224,995 km (0.116 R)
• M3: 784,491 km (0.107 R)
• M4: 1,069,176 km (0.116 R)
• M5: 1,205,609 km (0.117 R)
• M6: 1,598,453 km (0.11 R)
• M7: 1,840,203 km (0.066 R)
• M8: 2,054,128 km (0.105 R)
• M9: 2,176,051 km (0.089 R)
• M10: 2,796,283 km (0.116 R)
• M11: 3,502,086 km (0.075 R)
• M12: 5,997,827 km (0.072 R)
• M13: 6,692,560 km (0.111 R)
• M14: 7,644,750 km (0.106 R)
• M15: 8,504,340 km (0.091 R)
• M16: 8,728,886 km (0.074 R)
• M17: 21,722,060 km (0.088 R)
• M18: 22,226,204 km (0.095 R)
• M19: 23,345,047 km (0.038 R)
• M20: 26,353,011 km (0.119 R)
• M21: 34,809,031 km (0.088 R)
• M22: 35,614,915 km (0.113 R)
• M23: 37,503,139 km (0.108 R)
• M24: 37,864,418 km (0.098 R)
• M25: 38,471,785 km (0.03 R)
• M26: 42,906,464 km (0.086 R)
• M27: 43,699,333 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 820.5

Radius: 7.6

Gravity: 14.21 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 7.83 AU - 8.35 AU

Year: 14857 Days

Day: 22 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 66,280,863 km

• M1: 95,443 km (0.106 R)
• M2: 1,009,486 km (0.115 R)
• M3: 1,368,521 km (0.09 R)
• M4: 2,143,588 km (0.114 R)
• M5: 2,695,903 km (0.054 R)
• M6: 3,156,814 km (0.039 R)
• M7: 3,474,261 km (0.107 R)
• M8: 3,726,333 km (0.105 R)
• M9: 4,142,664 km (0.098 R)
• M10: 4,723,254 km (0.1 R)
• M11: 6,247,207 km (0.05 R)
• M12: 7,054,288 km (0.106 R)
• M13: 9,134,895 km (0.112 R)
• M14: 9,400,880 km (0.064 R)
• M15: 10,343,795 km (0.069 R)
• M16: 11,287,459 km (0.075 R)
• M17: 15,191,514 km (0.027 R)
• M18: 16,253,360 km (0.03 R)
• M19: 16,644,259 km (0.086 R)
• M20: 18,354,911 km (0.047 R)
• M21: 19,036,479 km (0.086 R)
• M22: 19,734,652 km (0.041 R)
• M23: 20,631,342 km (0.102 R)
• M24: 22,699,233 km (0.093 R)
• M25: 26,054,264 km (0.11 R)
• M26: 28,240,787 km (0.059 R)
• M27: 33,981,904 km (0.088 R)
• M28: 34,879,342 km (0.091 R)
• M29: 36,855,231 km (0.09 R)
• M30: 38,213,280 km (0.057 R)
• M31: 40,028,052 km (0.076 R)
• M32: 47,544,597 km (0.114 R)
• M33: 63,733,031 km (0.073 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 20,051 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit