🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.45 AU - 0.57 AU

Year: 239 Days

Day: 22.8 Hours

Environment

Temp: -108 °C

Axial Tilt: 24.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.2

Radius: 12.1

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.77 AU - 0.79 AU

Year: 452 Days

Day: 13.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 87,047,312 km

• M1: 150,495 km (0.065 R)
• M2: 660,175 km (0.099 R)
• M3: 1,193,641 km (0.108 R)
• M4: 1,745,957 km (0.043 R)
• M5: 2,412,266 km (0.044 R)
• M6: 3,114,478 km (0.073 R)
• M7: 3,554,445 km (0.101 R)
• M8: 3,998,452 km (0.074 R)
• M9: 4,883,323 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.7

Radius: 9

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.28 AU - 2 AU

Year: 1378 Days

Day: 7.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,047,312 km

• M1: 111,899 km (0.082 R)
• M2: 471,233 km (0.118 R)
• M3: 924,365 km (0.119 R)
• M4: 1,448,257 km (0.093 R)
• M5: 1,788,592 km (0.117 R)
• M6: 2,251,448 km (0.112 R)
• M7: 2,930,173 km (0.039 R)
• M8: 3,294,744 km (0.075 R)
• M9: 3,772,260 km (0.094 R)
• M10: 4,258,902 km (0.112 R)
• M11: 5,252,830 km (0.082 R)
• M12: 5,882,936 km (0.112 R)
• M13: 6,586,944 km (0.073 R)
• M14: 8,162,209 km (0.078 R)
• M15: 10,701,035 km (0.12 R)
• M16: 11,462,937 km (0.119 R)
• M17: 11,748,818 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.5

Radius: 12.3

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.74 AU - 2.82 AU

Year: 2258 Days

Day: 9.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,047,312 km

• M1: 166,652 km (0.12 R)
• M2: 816,206 km (0.089 R)
• M3: 1,903,184 km (0.077 R)
• M4: 2,307,398 km (0.09 R)
• M5: 3,008,264 km (0.106 R)
• M6: 3,756,253 km (0.086 R)
• M7: 4,603,874 km (0.12 R)
• M8: 5,007,639 km (0.041 R)
• M9: 5,528,240 km (0.106 R)
• M10: 6,084,744 km (0.115 R)
• M11: 6,625,241 km (0.067 R)
• M12: 7,141,653 km (0.086 R)
• M13: 9,481,962 km (0.101 R)
• M14: 10,174,450 km (0.092 R)
• M15: 11,544,168 km (0.106 R)
• M16: 13,117,489 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.3

Radius: 8.2

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.9 AU - 4.06 AU

Year: 4259 Days

Day: 12.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 87,047,312 km

• M1: 102,026 km (0.067 R)
• M2: 413,040 km (0.06 R)
• M3: 710,889 km (0.109 R)
• M4: 1,003,652 km (0.119 R)
• M5: 1,863,092 km (0.049 R)
• M6: 2,261,621 km (0.112 R)
• M7: 3,526,321 km (0.099 R)
• M8: 4,399,374 km (0.087 R)
• M9: 4,896,039 km (0.078 R)
• M10: 6,994,598 km (0.112 R)
• M11: 7,854,187 km (0.114 R)
• M12: 8,896,286 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436

Radius: 14.7

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.71 AU - 3.75 AU

Year: 4726 Days

Day: 12.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,047,312 km

• M1: 182,809 km (0.043 R)
• M2: 894,296 km (0.079 R)
• M3: 1,471,594 km (0.11 R)
• M4: 2,129,825 km (0.079 R)
• M5: 3,594,538 km (0.086 R)
• M6: 4,291,963 km (0.083 R)
• M7: 5,205,557 km (0.083 R)
• M8: 6,392,167 km (0.033 R)
• M9: 7,097,372 km (0.065 R)
• M10: 7,854,038 km (0.057 R)
• M11: 9,567,981 km (0.114 R)
• M12: 10,245,659 km (0.04 R)
• M13: 11,256,941 km (0.058 R)
• M14: 11,876,874 km (0.088 R)
• M15: 16,705,145 km (0.028 R)
• M16: 17,221,408 km (0.108 R)
• M17: 18,286,096 km (0.098 R)
• M18: 21,541,345 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211.8

Radius: 6.7

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 6.31 AU - 6.59 AU

Year: 10746 Days

Day: 20.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,047,312 km

• M1: 86,168 km (0.039 R)
• M2: 346,618 km (0.077 R)
• M3: 5,336,306 km (0.12 R)
• M4: 6,398,600 km (0.033 R)
• M5: 9,185,758 km (0.098 R)
• M6: 13,662,774 km (0.107 R)
• M7: 18,244,657 km (0.094 R)
• M8: 19,832,040 km (0.083 R)
• M9: 20,989,180 km (0.092 R)
• M10: 22,038,010 km (0.107 R)
• M11: 22,652,858 km (0.091 R)
• M12: 23,121,398 km (0.102 R)
• M13: 29,443,404 km (0.069 R)
• M14: 31,717,890 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 27.4

Radius: 6.1

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 6.3 AU - 9.84 AU

Year: 15039 Days

Day: 22 Hours

Environment

Temp: -220 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 87,047,312 km

• M1: 239,805 km (0.09 R)
• M2: 1,261,708 km (0.069 R)
• M3: 6,073,823 km (0.116 R)
• M4: 7,913,428 km (0.106 R)
• M5: 11,683,295 km (0.104 R)
• M6: 12,559,040 km (0.074 R)
• M7: 17,999,167 km (0.117 R)
• M8: 18,810,287 km (0.101 R)
• M9: 21,517,859 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 744.3

Radius: 5.9

Gravity: 21.38 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 9.7 AU - 12.02 AU

Year: 23478 Days

Day: 24.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 87,047,312 km

• M1: 73,752 km (0.092 R)
• M2: 282,590 km (0.11 R)
• M3: 485,744 km (0.096 R)
• M4: 769,232 km (0.046 R)
• M5: 1,037,910 km (0.087 R)
• M6: 1,275,771 km (0.031 R)
• M7: 1,532,481 km (0.08 R)
• M8: 2,216,592 km (0.087 R)
• M9: 3,802,329 km (0.03 R)
• M10: 4,514,714 km (0.096 R)
• M11: 4,770,826 km (0.11 R)
• M12: 5,312,370 km (0.104 R)
• M13: 7,789,412 km (0.113 R)
• M14: 8,212,175 km (0.077 R)
• M15: 9,161,074 km (0.051 R)
• M16: 10,494,889 km (0.112 R)
• M17: 11,542,822 km (0.105 R)
• M18: 11,953,169 km (0.063 R)
• M19: 15,843,611 km (0.114 R)
• M20: 16,521,888 km (0.079 R)
• M21: 20,304,171 km (0.116 R)
• M22: 20,701,503 km (0.077 R)
• M23: 21,205,498 km (0.111 R)
• M24: 22,028,735 km (0.118 R)
• M25: 25,077,989 km (0.109 R)
• M26: 30,549,232 km (0.112 R)
• M27: 39,934,703 km (0.111 R)
• M28: 40,872,681 km (0.083 R)
• M29: 45,106,900 km (0.116 R)
• M30: 45,783,232 km (0.109 R)
• M31: 49,445,238 km (0.104 R)
• M32: 63,266,286 km (0.1 R)
• M33: 64,753,887 km (0.097 R)
• M34: 77,022,409 km (0.112 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 11,134 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit