🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.9

Radius: 11.9

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.92 AU - 1.12 AU

Year: 711 Days

Day: 14.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,821,885 km

• M1: 147,952 km (0.109 R)
• M2: 543,339 km (0.12 R)
• M3: 1,008,738 km (0.054 R)
• M4: 1,841,550 km (0.106 R)
• M5: 2,403,140 km (0.079 R)
• M6: 2,797,779 km (0.118 R)
• M7: 3,362,063 km (0.054 R)
• M8: 3,816,840 km (0.058 R)
• M9: 4,419,869 km (0.085 R)
• M10: 6,719,787 km (0.064 R)
• M11: 7,401,355 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.8

Radius: 8.2

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.04 AU - 1.46 AU

Year: 965 Days

Day: 9.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,821,885 km

• M1: 102,026 km (0.108 R)
• M2: 435,180 km (0.112 R)
• M3: 690,245 km (0.103 R)
• M4: 1,178,382 km (0.103 R)
• M5: 1,454,839 km (0.047 R)
• M6: 1,835,416 km (0.092 R)
• M7: 2,445,476 km (0.062 R)
• M8: 3,425,342 km (0.081 R)
• M9: 4,063,377 km (0.064 R)
• M10: 4,502,597 km (0.086 R)
• M11: 4,778,306 km (0.093 R)
• M12: 5,411,553 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.2

Radius: 8.8

Gravity: 12.06 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.72 AU - 1.82 AU

Year: 1625 Days

Day: 13.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,821,885 km

• M1: 109,506 km (0.119 R)
• M2: 443,558 km (0.065 R)
• M3: 755,020 km (0.072 R)
• M4: 1,216,979 km (0.102 R)
• M5: 2,294,682 km (0.084 R)
• M6: 2,725,224 km (0.115 R)
• M7: 3,193,017 km (0.072 R)
• M8: 4,230,927 km (0.028 R)
• M9: 4,507,384 km (0.062 R)
• M10: 5,140,781 km (0.048 R)
• M11: 5,880,543 km (0.086 R)
• M12: 6,276,079 km (0.059 R)
• M13: 7,287,211 km (0.116 R)
• M14: 8,714,974 km (0.056 R)
• M15: 10,109,675 km (0.109 R)
• M16: 12,633,839 km (0.045 R)
• M17: 13,760,461 km (0.074 R)
• M18: 15,180,743 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.6

Radius: 11.6

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.85 AU - 2.59 AU

Year: 2283 Days

Day: 13.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,821,885 km

• M1: 144,212 km (0.095 R)
• M2: 561,291 km (0.08 R)
• M3: 1,162,525 km (0.093 R)
• M4: 1,526,646 km (0.101 R)
• M5: 1,980,526 km (0.105 R)
• M6: 2,808,999 km (0.107 R)
• M7: 3,444,790 km (0.094 R)
• M8: 4,319,489 km (0.084 R)
• M9: 4,820,941 km (0.093 R)
• M10: 5,360,989 km (0.039 R)
• M11: 6,479,084 km (0.083 R)
• M12: 9,892,758 km (0.057 R)
• M13: 10,572,680 km (0.112 R)
• M14: 11,082,958 km (0.112 R)
• M15: 11,650,682 km (0.088 R)
• M16: 12,068,060 km (0.066 R)
• M17: 12,756,659 km (0.115 R)
• M18: 13,608,170 km (0.102 R)
• M19: 14,689,165 km (0.118 R)
• M20: 18,331,873 km (0.039 R)
• M21: 19,069,241 km (0.094 R)
• M22: 19,767,115 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.9

Radius: 11

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.84 AU - 4.26 AU

Year: 4617 Days

Day: 13.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,821,885 km

• M1: 136,882 km (0.088 R)
• M2: 609,462 km (0.088 R)
• M3: 1,097,450 km (0.115 R)
• M4: 1,557,613 km (0.043 R)
• M5: 2,435,304 km (0.096 R)
• M6: 2,893,672 km (0.057 R)
• M7: 3,369,094 km (0.099 R)
• M8: 3,764,930 km (0.106 R)
• M9: 4,802,840 km (0.118 R)
• M10: 5,991,993 km (0.071 R)
• M11: 6,671,616 km (0.082 R)
• M12: 9,421,076 km (0.12 R)
• M13: 12,212,123 km (0.112 R)
• M14: 13,874,903 km (0.107 R)
• M15: 15,456,602 km (0.103 R)
• M16: 16,913,685 km (0.114 R)
• M17: 19,830,993 km (0.069 R)
• M18: 22,554,273 km (0.12 R)
• M19: 23,068,141 km (0.051 R)
• M20: 27,715,250 km (0.068 R)
• M21: 28,560,328 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.9

Radius: 9.9

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.4 AU - 4.32 AU

Year: 5235 Days

Day: 11.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,821,885 km

• M1: 123,717 km (0.069 R)
• M2: 438,023 km (0.066 R)
• M3: 757,115 km (0.025 R)
• M4: 1,738,178 km (0.087 R)
• M5: 2,277,179 km (0.105 R)
• M6: 2,642,198 km (0.116 R)
• M7: 3,357,275 km (0.035 R)
• M8: 4,443,805 km (0.093 R)
• M9: 6,403,088 km (0.101 R)
• M10: 6,762,871 km (0.036 R)
• M11: 7,168,132 km (0.053 R)
• M12: 7,722,242 km (0.069 R)
• M13: 8,697,171 km (0.091 R)
• M14: 9,404,171 km (0.091 R)
• M15: 11,059,771 km (0.094 R)
• M16: 11,844,860 km (0.099 R)
• M17: 12,666,601 km (0.11 R)
• M18: 13,091,459 km (0.066 R)
• M19: 14,628,278 km (0.059 R)
• M20: 16,841,130 km (0.051 R)
• M21: 17,528,831 km (0.064 R)
• M22: 21,517,111 km (0.087 R)
• M23: 22,670,211 km (0.106 R)
• M24: 23,721,435 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.7

Radius: 14.7

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.74 AU - 5.64 AU

Year: 8161 Days

Day: 10 Hours

Environment

Temp: -217 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,821,885 km

• M1: 182,958 km (0.065 R)
• M2: 817,104 km (0.097 R)
• M3: 1,493,884 km (0.116 R)
• M4: 2,757,986 km (0.037 R)
• M5: 3,290,555 km (0.089 R)
• M6: 4,457,867 km (0.108 R)
• M7: 5,885,928 km (0.11 R)
• M8: 6,389,923 km (0.092 R)
• M9: 8,241,347 km (0.114 R)
• M10: 9,906,820 km (0.069 R)
• M11: 10,868,884 km (0.067 R)
• M12: 11,424,191 km (0.092 R)
• M13: 14,072,522 km (0.083 R)
• M14: 15,288,454 km (0.101 R)
• M15: 15,857,973 km (0.098 R)
• M16: 19,066,099 km (0.082 R)
• M17: 20,250,615 km (0.069 R)
• M18: 22,847,933 km (0.068 R)
• M19: 24,784,777 km (0.088 R)
• M20: 26,375,301 km (0.074 R)
• M21: 28,791,756 km (0.088 R)
• M22: 29,955,328 km (0.111 R)
• M23: 32,687,883 km (0.065 R)
• M24: 33,316,942 km (0.083 R)
• M25: 37,605,165 km (0.061 R)
• M26: 39,230,246 km (0.114 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 13,585 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit