🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.46 AU - 0.62 AU

Year: 252 Days

Day: 44.3 Hours

Environment

Temp: -119 °C

Axial Tilt: 32.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 68,743,986 km

• M1: 115,190 km (0.062 R)
• M2: 252,072 km (0.086 R)

Asteroid Belt

Center: 0.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.1

Radius: 13.3

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.05 AU - 1.35 AU

Year: 836 Days

Day: 6.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,743,986 km

• M1: 165,455 km (0.115 R)
• M2: 582,385 km (0.116 R)
• M3: 1,029,383 km (0.082 R)
• M4: 1,841,699 km (0.104 R)
• M5: 2,932,268 km (0.108 R)
• M6: 3,706,886 km (0.051 R)
• M7: 4,514,116 km (0.03 R)
• M8: 5,614,558 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.2

Radius: 12.7

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.57 AU - 1.69 AU

Year: 1323 Days

Day: 5.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 125.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,743,986 km

• M1: 158,275 km (0.062 R)
• M2: 581,637 km (0.12 R)
• M3: 1,228,498 km (0.088 R)
• M4: 1,794,277 km (0.061 R)
• M5: 2,553,785 km (0.112 R)
• M6: 3,635,677 km (0.113 R)
• M7: 4,248,131 km (0.058 R)
• M8: 5,441,174 km (0.073 R)
• M9: 6,309,739 km (0.043 R)
• M10: 6,777,681 km (0.03 R)
• M11: 8,941,166 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.4

Radius: 13.2

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.61 AU - 2.03 AU

Year: 1561 Days

Day: 13.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 68,743,986 km

• M1: 165,156 km (0.12 R)
• M2: 742,454 km (0.111 R)
• M3: 1,288,636 km (0.096 R)
• M4: 2,008,202 km (0.055 R)
• M5: 2,650,276 km (0.09 R)
• M6: 3,857,531 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.5

Radius: 11.1

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.78 AU - 5.26 AU

Year: 6110 Days

Day: 13.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,743,986 km

• M1: 138,079 km (0.071 R)
• M2: 530,923 km (0.113 R)
• M3: 909,555 km (0.027 R)
• M4: 1,717,683 km (0.094 R)
• M5: 2,251,897 km (0.119 R)
• M6: 3,454,215 km (0.1 R)
• M7: 4,234,817 km (0.069 R)
• M8: 4,626,913 km (0.11 R)
• M9: 6,410,718 km (0.116 R)
• M10: 7,036,485 km (0.079 R)
• M11: 9,684,817 km (0.089 R)
• M12: 11,182,142 km (0.112 R)
• M13: 11,934,918 km (0.101 R)
• M14: 12,774,761 km (0.118 R)
• M15: 13,264,245 km (0.083 R)
• M16: 14,050,531 km (0.064 R)
• M17: 15,531,550 km (0.107 R)
• M18: 23,785,313 km (0.086 R)
• M19: 29,964,753 km (0.106 R)
• M20: 30,732,788 km (0.114 R)
• M21: 31,909,375 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 287.6

Radius: 6.9

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.57 AU - 8.21 AU

Year: 14091 Days

Day: 20.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,743,986 km

• M1: 86,019 km (0.109 R)
• M2: 339,737 km (0.084 R)
• M3: 700,567 km (0.035 R)
• M4: 991,983 km (0.12 R)
• M5: 1,703,920 km (0.118 R)
• M6: 2,860,760 km (0.077 R)
• M7: 3,374,330 km (0.031 R)
• M8: 3,665,746 km (0.118 R)
• M9: 6,713,653 km (0.106 R)
• M10: 7,019,581 km (0.044 R)
• M11: 8,512,568 km (0.063 R)
• M12: 12,000,292 km (0.103 R)
• M13: 12,280,938 km (0.108 R)
• M14: 14,057,114 km (0.088 R)
• M15: 16,891,993 km (0.058 R)
• M16: 19,541,072 km (0.084 R)
• M17: 19,773,547 km (0.063 R)
• M18: 21,700,966 km (0.089 R)
• M19: 22,967,163 km (0.118 R)
• M20: 25,369,106 km (0.075 R)
• M21: 28,825,415 km (0.061 R)
• M22: 33,682,260 km (0.102 R)
• M23: 34,016,761 km (0.081 R)
• M24: 38,935,090 km (0.089 R)
• M25: 40,172,264 km (0.05 R)
• M26: 44,040,716 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 680.3

Radius: 4.4

Gravity: 35.14 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 6.7 AU - 9.54 AU

Year: 14712 Days

Day: 22.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 68,743,986 km

• M1: 56,548 km (0.097 R)
• M2: 227,987 km (0.118 R)
• M3: 651,948 km (0.098 R)
• M4: 826,528 km (0.108 R)
• M5: 1,179,130 km (0.077 R)
• M6: 1,609,374 km (0.1 R)
• M7: 2,659,551 km (0.117 R)
• M8: 3,554,296 km (0.097 R)
• M9: 4,601,182 km (0.106 R)
• M10: 6,189,163 km (0.036 R)
• M11: 7,281,676 km (0.116 R)
• M12: 7,920,310 km (0.107 R)
• M13: 8,398,873 km (0.111 R)
• M14: 9,786,992 km (0.085 R)
• M15: 10,735,293 km (0.1 R)
• M16: 11,682,397 km (0.12 R)
• M17: 14,291,533 km (0.077 R)
• M18: 15,071,836 km (0.097 R)
• M19: 16,485,685 km (0.115 R)
• M20: 18,067,084 km (0.117 R)
• M21: 19,746,919 km (0.079 R)
• M22: 20,803,080 km (0.099 R)
• M23: 22,741,270 km (0.04 R)
• M24: 25,303,582 km (0.087 R)
• M25: 31,344,793 km (0.089 R)
• M26: 32,176,408 km (0.101 R)
• M27: 32,900,910 km (0.1 R)
• M28: 48,971,312 km (0.096 R)
• M29: 60,571,879 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 646.1

Radius: 3.1

Gravity: 67.23 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 8.03 AU - 10.33 AU

Year: 17685 Days

Day: 19.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 68,743,986 km

• M1: 42,037 km (0.093 R)
• M2: 400,473 km (0.058 R)
• M3: 571,913 km (0.104 R)
• M4: 693,237 km (0.102 R)
• M5: 907,610 km (0.104 R)
• M6: 2,835,328 km (0.064 R)
• M7: 3,190,923 km (0.072 R)
• M8: 5,971,349 km (0.027 R)
• M9: 6,813,734 km (0.075 R)
• M10: 6,946,577 km (0.1 R)
• M11: 8,992,478 km (0.049 R)
• M12: 9,423,020 km (0.095 R)
• M13: 9,588,027 km (0.101 R)
• M14: 11,283,419 km (0.092 R)
• M15: 11,531,901 km (0.069 R)
• M16: 12,762,344 km (0.062 R)
• M17: 12,964,301 km (0.056 R)
• M18: 13,513,325 km (0.101 R)
• M19: 16,812,407 km (0.073 R)
• M20: 18,049,282 km (0.077 R)
• M21: 18,474,739 km (0.115 R)
• M22: 22,707,162 km (0.084 R)
• M23: 25,682,663 km (0.06 R)
• M24: 26,547,040 km (0.104 R)
• M25: 26,766,201 km (0.111 R)
• M26: 29,256,108 km (0.093 R)
• M27: 30,677,287 km (0.081 R)
• M28: 32,642,854 km (0.103 R)
• M29: 33,273,858 km (0.076 R)
• M30: 37,920,517 km (0.108 R)
• M31: 39,465,564 km (0.096 R)
• M32: 40,181,539 km (0.095 R)
• M33: 42,232,227 km (0.12 R)
• M34: 59,879,839 km (0.055 R)
• M35: 63,718,819 km (0.029 R)
• M36: 64,703,622 km (0.033 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: 429 - 11,735 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit