🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.45 AU - 0.59 AU

Year: 166 Days

Day: 16.7 Hours

Environment

Temp: 25 °C

Axial Tilt: 3.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.6 AU - 1.6 AU

Year: 896 Days

Day: 45.4 Hours

Environment

Temp: -112 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,764,428 km

• M1: 540,946 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584

Radius: 9.4

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.75 AU - 3.25 AU

Year: 2302 Days

Day: 14.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,764,428 km

• M1: 116,836 km (0.087 R)
• M2: 461,809 km (0.065 R)
• M3: 934,538 km (0.075 R)
• M4: 1,328,579 km (0.069 R)
• M5: 1,854,565 km (0.11 R)
• M6: 2,248,755 km (0.047 R)
• M7: 3,373,432 km (0.097 R)
• M8: 3,833,894 km (0.076 R)
• M9: 4,196,370 km (0.076 R)
• M10: 4,644,715 km (0.045 R)
• M11: 4,968,594 km (0.029 R)
• M12: 6,391,868 km (0.026 R)
• M13: 7,766,224 km (0.076 R)
• M14: 8,192,727 km (0.101 R)
• M15: 9,193,088 km (0.114 R)
• M16: 10,862,152 km (0.066 R)
• M17: 12,516,555 km (0.048 R)
• M18: 13,403,969 km (0.095 R)
• M19: 14,107,678 km (0.081 R)
• M20: 15,068,545 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.5

Radius: 11.6

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.62 AU - 4.2 AU

Year: 2789 Days

Day: 10.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,764,428 km

• M1: 145,260 km (0.107 R)
• M2: 637,586 km (0.084 R)
• M3: 1,023,249 km (0.11 R)
• M4: 1,552,228 km (0.098 R)
• M5: 1,995,037 km (0.099 R)
• M6: 2,681,542 km (0.05 R)
• M7: 3,263,777 km (0.096 R)
• M8: 3,876,230 km (0.106 R)
• M9: 4,332,354 km (0.12 R)
• M10: 5,575,363 km (0.055 R)
• M11: 7,016,439 km (0.077 R)
• M12: 7,753,059 km (0.095 R)
• M13: 9,189,348 km (0.072 R)
• M14: 11,152,820 km (0.109 R)
• M15: 13,463,659 km (0.088 R)
• M16: 14,385,780 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.3

Radius: 14

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 5.36 AU - 7.66 AU

Year: 7357 Days

Day: 11.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,764,428 km

• M1: 174,132 km (0.108 R)
• M2: 675,135 km (0.071 R)
• M3: 1,135,597 km (0.103 R)
• M4: 1,629,420 km (0.075 R)
• M5: 2,401,943 km (0.113 R)
• M6: 3,071,992 km (0.096 R)
• M7: 4,058,141 km (0.051 R)
• M8: 5,187,456 km (0.081 R)
• M9: 6,414,757 km (0.049 R)
• M10: 7,151,676 km (0.036 R)
• M11: 8,141,715 km (0.111 R)
• M12: 10,160,987 km (0.109 R)
• M13: 10,822,359 km (0.118 R)
• M14: 13,144,716 km (0.033 R)
• M15: 13,930,554 km (0.074 R)
• M16: 17,457,922 km (0.104 R)
• M17: 18,755,534 km (0.102 R)
• M18: 19,607,494 km (0.08 R)
• M19: 20,410,984 km (0.087 R)
• M20: 21,695,880 km (0.067 R)
• M21: 23,928,927 km (0.074 R)
• M22: 25,016,055 km (0.102 R)
• M23: 26,487,201 km (0.069 R)
• M24: 33,259,347 km (0.11 R)
• M25: 34,297,406 km (0.117 R)
• M26: 35,787,102 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418

Radius: 3.3

Gravity: 38.38 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 8.44 AU - 10.76 AU

Year: 13175 Days

Day: 20.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 61,764,428 km

• M1: 40,990 km (0.106 R)
• M2: 163,810 km (0.097 R)
• M3: 307,124 km (0.113 R)
• M4: 467,793 km (0.109 R)
• M5: 1,294,321 km (0.081 R)
• M6: 1,611,019 km (0.1 R)
• M7: 2,206,718 km (0.092 R)
• M8: 2,615,569 km (0.117 R)
• M9: 2,892,624 km (0.054 R)
• M10: 3,118,816 km (0.098 R)
• M11: 3,581,074 km (0.118 R)
• M12: 3,788,716 km (0.099 R)
• M13: 4,031,812 km (0.079 R)
• M14: 5,998,127 km (0.101 R)
• M15: 6,106,884 km (0.068 R)
• M16: 6,328,439 km (0.113 R)
• M17: 9,129,659 km (0.076 R)
• M18: 15,189,121 km (0.054 R)
• M19: 15,595,428 km (0.115 R)
• M20: 23,119,453 km (0.032 R)
• M21: 24,756,353 km (0.104 R)
• M22: 32,970,922 km (0.1 R)
• M23: 35,275,627 km (0.032 R)
• M24: 38,429,150 km (0.079 R)
• M25: 40,849,045 km (0.106 R)
• M26: 41,633,686 km (0.102 R)
• M27: 47,123,928 km (0.034 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 857

Radius: 4.2

Gravity: 48.58 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 7.57 AU - 11.69 AU

Year: 13237 Days

Day: 21.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,764,428 km

• M1: 52,210 km (0.102 R)
• M2: 208,689 km (0.105 R)
• M3: 492,626 km (0.105 R)
• M4: 780,003 km (0.118 R)
• M5: 967,150 km (0.108 R)
• M6: 1,617,153 km (0.087 R)
• M7: 1,887,776 km (0.061 R)
• M8: 2,606,892 km (0.117 R)
• M9: 3,944,896 km (0.09 R)
• M10: 4,498,857 km (0.062 R)
• M11: 5,912,557 km (0.117 R)
• M12: 6,307,495 km (0.088 R)
• M13: 7,416,464 km (0.113 R)
• M14: 7,875,580 km (0.062 R)
• M15: 8,549,967 km (0.099 R)
• M16: 8,901,223 km (0.062 R)
• M17: 11,154,466 km (0.076 R)
• M18: 12,128,049 km (0.118 R)
• M19: 13,692,843 km (0.075 R)
• M20: 13,828,977 km (0.083 R)
• M21: 14,951,260 km (0.082 R)
• M22: 17,295,758 km (0.113 R)
• M23: 18,931,760 km (0.057 R)
• M24: 20,847,361 km (0.101 R)
• M25: 22,602,443 km (0.081 R)
• M26: 29,011,515 km (0.071 R)
• M27: 30,146,963 km (0.097 R)
• M28: 32,385,545 km (0.069 R)
• M29: 39,485,460 km (0.097 R)
• M30: 41,445,043 km (0.089 R)
• M31: 45,860,723 km (0.082 R)
• M32: 47,244,055 km (0.1 R)
• M33: 49,450,923 km (0.107 R)
• M34: 53,729,870 km (0.091 R)
• M35: 59,870,564 km (0.053 R)
• M36: 60,052,475 km (0.115 R)
• M37: 61,707,177 km (0.026 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 818.5

Radius: 6.9

Gravity: 17.19 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 8.59 AU - 10.81 AU

Year: 13381 Days

Day: 20.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,764,428 km

• M1: 88,263 km (0.09 R)
• M2: 378,333 km (0.052 R)
• M3: 673,490 km (0.114 R)
• M4: 1,061,098 km (0.059 R)
• M5: 1,734,587 km (0.087 R)
• M6: 1,977,085 km (0.065 R)
• M7: 2,467,467 km (0.086 R)
• M8: 2,822,014 km (0.103 R)
• M9: 3,801,132 km (0.095 R)
• M10: 4,921,620 km (0.096 R)
• M11: 5,743,810 km (0.052 R)
• M12: 6,822,112 km (0.092 R)
• M13: 7,703,542 km (0.065 R)
• M14: 13,078,145 km (0.077 R)
• M15: 13,676,686 km (0.106 R)
• M16: 15,000,029 km (0.065 R)
• M17: 18,553,577 km (0.078 R)
• M18: 22,915,851 km (0.053 R)
• M19: 30,380,485 km (0.102 R)
• M20: 38,366,618 km (0.12 R)
• M21: 43,129,066 km (0.092 R)
• M22: 44,899,856 km (0.085 R)
• M23: 48,585,648 km (0.104 R)
• M24: 52,468,162 km (0.114 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 17,495 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit