🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.7

Radius: 9.1

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.97 AU - 1.21 AU

Year: 759 Days

Day: 12.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,913,836 km

• M1: 113,395 km (0.082 R)
• M2: 679,324 km (0.112 R)
• M3: 988,393 km (0.112 R)
• M4: 1,357,601 km (0.116 R)
• M5: 1,648,419 km (0.067 R)
• M6: 2,144,785 km (0.08 R)
• M7: 2,434,107 km (0.062 R)
• M8: 2,917,757 km (0.05 R)
• M9: 3,675,320 km (0.071 R)
• M10: 4,139,373 km (0.048 R)
• M11: 5,040,999 km (0.096 R)
• M12: 7,366,349 km (0.091 R)
• M13: 7,885,902 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.3

Radius: 14.2

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.19 AU - 1.35 AU

Year: 954 Days

Day: 13.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,913,836 km

• M1: 176,675 km (0.036 R)
• M2: 618,587 km (0.102 R)
• M3: 1,309,430 km (0.086 R)
• M4: 1,840,203 km (0.094 R)
• M5: 4,302,884 km (0.11 R)
• M6: 4,816,752 km (0.107 R)
• M7: 5,390,161 km (0.085 R)
• M8: 6,761,525 km (0.065 R)
• M9: 8,711,533 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.5

Radius: 8.5

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.74 AU - 2.48 AU

Year: 2044 Days

Day: 10.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,913,836 km

• M1: 105,766 km (0.096 R)
• M2: 385,963 km (0.1 R)
• M3: 859,440 km (0.117 R)
• M4: 1,137,093 km (0.119 R)
• M5: 1,438,982 km (0.097 R)
• M6: 2,063,703 km (0.116 R)
• M7: 2,587,146 km (0.066 R)
• M8: 3,309,404 km (0.089 R)
• M9: 4,802,989 km (0.052 R)
• M10: 7,904,901 km (0.104 R)
• M11: 9,116,345 km (0.067 R)
• M12: 9,412,548 km (0.034 R)
• M13: 10,094,116 km (0.113 R)
• M14: 11,632,132 km (0.115 R)
• M15: 12,658,972 km (0.116 R)
• M16: 14,983,124 km (0.09 R)
• M17: 15,396,314 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.9

Radius: 9.6

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 4.36 AU - 5.36 AU

Year: 7145 Days

Day: 8.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,913,836 km

• M1: 119,529 km (0.117 R)
• M2: 424,110 km (0.09 R)
• M3: 902,374 km (0.05 R)
• M4: 1,311,225 km (0.08 R)
• M5: 1,746,406 km (0.063 R)
• M6: 2,572,186 km (0.112 R)
• M7: 5,325,235 km (0.075 R)
• M8: 5,690,254 km (0.089 R)
• M9: 6,856,070 km (0.04 R)
• M10: 7,447,431 km (0.049 R)
• M11: 9,730,444 km (0.099 R)
• M12: 10,803,210 km (0.089 R)
• M13: 11,432,419 km (0.096 R)
• M14: 11,865,206 km (0.079 R)
• M15: 14,097,056 km (0.043 R)
• M16: 15,520,929 km (0.096 R)
• M17: 16,926,700 km (0.068 R)
• M18: 17,319,394 km (0.07 R)
• M19: 18,356,856 km (0.04 R)
• M20: 19,131,473 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.9

Radius: 8.6

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.52 AU - 5.81 AU

Year: 7816 Days

Day: 13.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 174.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,913,836 km

• M1: 107,112 km (0.075 R)
• M2: 680,371 km (0.086 R)
• M3: 1,025,194 km (0.1 R)
• M4: 1,664,875 km (0.072 R)
• M5: 2,171,413 km (0.078 R)
• M6: 2,548,849 km (0.064 R)
• M7: 2,936,905 km (0.07 R)
• M8: 6,652,318 km (0.117 R)
• M9: 6,970,812 km (0.093 R)
• M10: 9,898,592 km (0.119 R)
• M11: 11,841,120 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.5

Radius: 13.1

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.84 AU - 5.9 AU

Year: 8298 Days

Day: 7.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,913,836 km

• M1: 162,912 km (0.104 R)
• M2: 575,802 km (0.078 R)
• M3: 1,000,062 km (0.086 R)
• M4: 1,470,098 km (0.105 R)
• M5: 2,632,474 km (0.108 R)
• M6: 3,268,713 km (0.109 R)
• M7: 4,467,441 km (0.1 R)
• M8: 5,940,681 km (0.107 R)
• M9: 6,968,269 km (0.097 R)
• M10: 9,198,923 km (0.05 R)
• M11: 9,869,570 km (0.107 R)
• M12: 10,334,670 km (0.12 R)
• M13: 10,863,199 km (0.056 R)
• M14: 11,511,107 km (0.095 R)
• M15: 11,974,562 km (0.107 R)
• M16: 13,553,567 km (0.116 R)
• M17: 17,862,584 km (0.051 R)
• M18: 18,907,525 km (0.114 R)
• M19: 24,583,119 km (0.059 R)
• M20: 29,928,700 km (0.078 R)
• M21: 34,174,886 km (0.071 R)
• M22: 36,331,488 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 690.4

Radius: 3.6

Gravity: 53.27 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.69 AU - 10.75 AU

Year: 17171 Days

Day: 17.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,913,836 km

• M1: 44,879 km (0.103 R)
• M2: 272,567 km (0.086 R)
• M3: 433,235 km (0.077 R)
• M4: 768,185 km (0.045 R)
• M5: 1,385,276 km (0.088 R)
• M6: 1,759,421 km (0.038 R)
• M7: 1,998,777 km (0.083 R)
• M8: 2,430,816 km (0.072 R)
• M9: 3,284,720 km (0.056 R)
• M10: 3,561,626 km (0.116 R)
• M11: 3,705,689 km (0.057 R)
• M12: 4,518,903 km (0.112 R)
• M13: 5,871,417 km (0.091 R)
• M14: 7,240,687 km (0.118 R)
• M15: 7,853,140 km (0.044 R)
• M16: 8,601,878 km (0.074 R)
• M17: 9,180,373 km (0.045 R)
• M18: 10,010,342 km (0.064 R)
• M19: 10,769,102 km (0.106 R)
• M20: 12,866,015 km (0.059 R)
• M21: 14,846,242 km (0.079 R)
• M22: 16,299,885 km (0.114 R)
• M23: 18,098,350 km (0.078 R)
• M24: 18,268,144 km (0.096 R)
• M25: 20,758,051 km (0.114 R)
• M26: 21,414,038 km (0.085 R)
• M27: 27,167,721 km (0.116 R)
• M28: 28,407,140 km (0.098 R)
• M29: 37,052,849 km (0.11 R)
• M30: 37,601,724 km (0.107 R)
• M31: 43,849,380 km (0.081 R)
• M32: 45,238,994 km (0.039 R)
• M33: 51,771,634 km (0.091 R)
• M34: 59,465,154 km (0.061 R)
• M35: 59,652,600 km (0.094 R)
• M36: 68,707,460 km (0.112 R)
• M37: 68,913,905 km (0.037 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: 302 - 18,002 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit