🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.2

Radius: 10

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.56 AU - 0.86 AU

Year: 392 Days

Day: 8.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,427,931 km

• M1: 124,615 km (0.117 R)
• M2: 638,035 km (0.06 R)
• M3: 968,197 km (0.103 R)
• M4: 1,353,113 km (0.079 R)
• M5: 1,911,562 km (0.072 R)
• M6: 2,458,791 km (0.098 R)
• M7: 2,860,311 km (0.108 R)
• M8: 3,556,091 km (0.104 R)
• M9: 3,890,592 km (0.075 R)
• M10: 4,348,062 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.6

Radius: 12.4

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.94 AU - 1.12 AU

Year: 686 Days

Day: 14.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,427,931 km

• M1: 154,385 km (0.095 R)
• M2: 661,223 km (0.117 R)
• M3: 1,201,121 km (0.118 R)
• M4: 1,645,876 km (0.072 R)
• M5: 2,058,467 km (0.099 R)
• M6: 2,455,350 km (0.081 R)
• M7: 2,963,833 km (0.104 R)
• M8: 3,555,792 km (0.055 R)
• M9: 3,968,682 km (0.093 R)
• M10: 6,151,315 km (0.116 R)
• M11: 7,455,359 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.6

Radius: 11

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.66 AU - 2.42 AU

Year: 1911 Days

Day: 5.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,427,931 km

• M1: 136,882 km (0.071 R)
• M2: 512,822 km (0.066 R)
• M3: 1,151,305 km (0.098 R)
• M4: 1,577,659 km (0.095 R)
• M5: 1,965,716 km (0.063 R)
• M6: 2,555,580 km (0.065 R)
• M7: 3,161,601 km (0.064 R)
• M8: 4,208,338 km (0.099 R)
• M9: 4,661,170 km (0.112 R)
• M10: 5,146,316 km (0.111 R)
• M11: 5,496,226 km (0.056 R)
• M12: 6,140,693 km (0.108 R)
• M13: 7,287,511 km (0.114 R)
• M14: 8,096,835 km (0.116 R)
• M15: 9,717,429 km (0.091 R)
• M16: 10,073,173 km (0.098 R)
• M17: 11,822,869 km (0.066 R)
• M18: 12,897,132 km (0.077 R)
• M19: 14,216,136 km (0.12 R)
• M20: 14,768,152 km (0.098 R)
• M21: 15,286,808 km (0.061 R)
• M22: 15,817,432 km (0.097 R)
• M23: 16,161,507 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.1

Radius: 10

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.9 AU - 2.28 AU

Year: 1982 Days

Day: 8.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,427,931 km

• M1: 124,316 km (0.096 R)
• M2: 484,099 km (0.032 R)
• M3: 1,052,421 km (0.115 R)
• M4: 1,698,983 km (0.098 R)
• M5: 2,088,386 km (0.109 R)
• M6: 2,550,793 km (0.11 R)
• M7: 3,322,270 km (0.08 R)
• M8: 4,242,296 km (0.116 R)
• M9: 5,010,033 km (0.104 R)
• M10: 5,532,279 km (0.092 R)
• M11: 6,474,297 km (0.1 R)
• M12: 7,902,508 km (0.107 R)
• M13: 8,867,264 km (0.07 R)
• M14: 10,440,884 km (0.038 R)
• M15: 11,180,197 km (0.118 R)
• M16: 13,825,087 km (0.114 R)
• M17: 14,853,273 km (0.103 R)
• M18: 15,222,631 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650

Radius: 13.2

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.82 AU - 5.4 AU

Year: 7578 Days

Day: 13.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,427,931 km

• M1: 164,558 km (0.077 R)
• M2: 602,281 km (0.093 R)
• M3: 1,237,922 km (0.057 R)
• M4: 1,821,354 km (0.099 R)
• M5: 2,337,317 km (0.096 R)
• M6: 3,220,842 km (0.105 R)
• M7: 3,934,274 km (0.039 R)
• M8: 4,979,216 km (0.065 R)
• M9: 5,902,833 km (0.078 R)
• M10: 6,337,265 km (0.086 R)
• M11: 9,188,451 km (0.066 R)
• M12: 9,773,977 km (0.029 R)
• M13: 15,962,242 km (0.049 R)
• M14: 16,414,776 km (0.025 R)
• M15: 20,882,965 km (0.1 R)
• M16: 26,461,320 km (0.093 R)
• M17: 28,679,857 km (0.103 R)
• M18: 30,324,685 km (0.079 R)
• M19: 31,019,866 km (0.109 R)
• M20: 33,274,157 km (0.116 R)
• M21: 33,907,554 km (0.116 R)
• M22: 35,089,527 km (0.081 R)
• M23: 36,521,627 km (0.07 R)
• M24: 37,082,769 km (0.104 R)
• M25: 38,916,839 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.8

Radius: 9.1

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 5.25 AU - 6.01 AU

Year: 8763 Days

Day: 8.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 36,427,931 km

• M1: 116,537 km (0.077 R)
• M2: 422,016 km (0.114 R)
• M3: 765,343 km (0.113 R)
• M4: 1,166,265 km (0.116 R)
• M5: 1,479,224 km (0.091 R)
• M6: 2,510,252 km (0.097 R)
• M7: 2,855,823 km (0.075 R)
• M8: 3,211,417 km (0.076 R)
• M9: 3,596,333 km (0.098 R)
• M10: 5,028,134 km (0.081 R)
• M11: 5,644,328 km (0.059 R)
• M12: 6,138,898 km (0.118 R)
• M13: 7,483,035 km (0.106 R)
• M14: 7,917,916 km (0.111 R)
• M15: 10,016,475 km (0.06 R)
• M16: 10,841,358 km (0.096 R)
• M17: 11,868,945 km (0.077 R)
• M18: 12,736,763 km (0.062 R)
• M19: 15,090,835 km (0.076 R)
• M20: 15,785,867 km (0.091 R)
• M21: 19,511,153 km (0.031 R)
• M22: 20,033,249 km (0.109 R)
• M23: 21,418,974 km (0.082 R)
• M24: 22,621,741 km (0.051 R)
• M25: 27,603,949 km (0.113 R)
• M26: 28,643,056 km (0.051 R)
• M27: 31,507,107 km (0.1 R)
• M28: 32,019,629 km (0.087 R)
• M29: 36,321,017 km (0.079 R)
• M30: 38,843,536 km (0.071 R)
• M31: 39,908,374 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 179.6

Radius: 6.2

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 7.1 AU - 7.5 AU

Year: 12939 Days

Day: 23.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 36,427,931 km

• M1: 77,342 km (0.042 R)
• M2: 275,260 km (0.093 R)
• M3: 542,891 km (0.074 R)
• M4: 841,338 km (0.065 R)
• M5: 1,068,428 km (0.08 R)
• M6: 1,407,267 km (0.118 R)
• M7: 2,183,979 km (0.055 R)
• M8: 2,438,595 km (0.117 R)
• M9: 2,675,259 km (0.102 R)
• M10: 3,323,765 km (0.078 R)
• M11: 3,569,405 km (0.115 R)
• M12: 3,997,554 km (0.064 R)
• M13: 5,427,860 km (0.086 R)
• M14: 6,124,986 km (0.077 R)
• M15: 6,358,807 km (0.082 R)
• M16: 6,951,813 km (0.089 R)
• M17: 7,429,479 km (0.068 R)
• M18: 8,656,930 km (0.101 R)
• M19: 10,245,360 km (0.109 R)
• M20: 10,623,094 km (0.029 R)
• M21: 11,010,104 km (0.1 R)
• M22: 11,966,782 km (0.045 R)
• M23: 12,814,554 km (0.111 R)
• M24: 14,218,230 km (0.057 R)
• M25: 16,479,253 km (0.086 R)
• M26: 18,411,010 km (0.056 R)
• M27: 19,755,446 km (0.092 R)
• M28: 20,193,169 km (0.107 R)
• M29: 26,225,105 km (0.1 R)
• M30: 29,127,902 km (0.104 R)
• M31: 31,046,944 km (0.116 R)
• M32: 31,539,569 km (0.099 R)
• M33: 32,540,379 km (0.072 R)
• M34: 32,844,811 km (0.119 R)
• M35: 33,253,512 km (0.094 R)
• M36: 35,028,641 km (0.064 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: 167 - 17,204 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit