🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.09 AU - 1.25 AU

Year: 447 Days

Day: 19.8 Hours

Environment

Temp: 36 °C

Axial Tilt: 39.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.95 AU - 1.99 AU

Year: 976 Days

Day: 35.2 Hours

Environment

Temp: -53 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.7 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.8

Radius: 9.1

Gravity: 11.34 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.3 AU - 6.54 AU

Year: 4456 Days

Day: 13.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 100,408,862 km

• M1: 115,789 km (0.062 R)
• M2: 614,249 km (0.116 R)
• M3: 932,144 km (0.087 R)
• M4: 1,838,259 km (0.084 R)
• M5: 2,246,062 km (0.076 R)
• M6: 2,713,556 km (0.032 R)
• M7: 4,004,735 km (0.104 R)
• M8: 5,233,831 km (0.11 R)
• M9: 6,057,966 km (0.048 R)
• M10: 6,831,088 km (0.066 R)
• M11: 10,818,918 km (0.113 R)
• M12: 11,377,367 km (0.107 R)
• M13: 16,620,174 km (0.099 R)
• M14: 17,680,224 km (0.085 R)
• M15: 18,984,119 km (0.116 R)
• M16: 22,076,607 km (0.086 R)
• M17: 22,448,058 km (0.114 R)
• M18: 31,059,360 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.5

Radius: 9

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 6.11 AU - 7.43 AU

Year: 6220 Days

Day: 11.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 100,408,862 km

• M1: 111,899 km (0.043 R)
• M2: 617,091 km (0.107 R)
• M3: 1,274,424 km (0.085 R)
• M4: 1,770,341 km (0.095 R)
• M5: 3,562,224 km (0.083 R)
• M6: 4,011,766 km (0.069 R)
• M7: 6,650,673 km (0.083 R)
• M8: 7,404,347 km (0.08 R)
• M9: 8,405,904 km (0.115 R)
• M10: 9,081,339 km (0.118 R)
• M11: 11,659,808 km (0.065 R)
• M12: 12,298,591 km (0.113 R)
• M13: 12,703,103 km (0.104 R)
• M14: 16,691,981 km (0.068 R)
• M15: 21,228,087 km (0.099 R)
• M16: 21,737,169 km (0.099 R)
• M17: 24,326,559 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 12.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.4

Radius: 10.5

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 10.94 AU - 13.28 AU

Year: 14880 Days

Day: 11.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 100,408,862 km

• M1: 130,898 km (0.078 R)
• M2: 1,021,753 km (0.102 R)
• M3: 1,484,460 km (0.104 R)
• M4: 2,304,406 km (0.104 R)
• M5: 3,011,555 km (0.09 R)
• M6: 4,320,087 km (0.094 R)
• M7: 4,682,713 km (0.111 R)
• M8: 5,357,399 km (0.052 R)
• M9: 11,082,360 km (0.043 R)
• M10: 13,078,743 km (0.109 R)
• M11: 14,855,069 km (0.079 R)
• M12: 16,948,242 km (0.033 R)
• M13: 19,496,642 km (0.049 R)
• M14: 22,192,994 km (0.11 R)
• M15: 24,605,110 km (0.106 R)
• M16: 28,658,314 km (0.115 R)
• M17: 29,825,776 km (0.104 R)
• M18: 30,661,580 km (0.095 R)
• M19: 36,277,334 km (0.117 R)
• M20: 41,206,434 km (0.038 R)
• M21: 48,013,736 km (0.102 R)
• M22: 49,492,810 km (0.11 R)
• M23: 50,832,908 km (0.075 R)
• M24: 51,682,624 km (0.089 R)
• M25: 56,074,069 km (0.07 R)
• M26: 58,267,623 km (0.065 R)
• M27: 61,280,673 km (0.076 R)
• M28: 63,607,519 km (0.075 R)
• M29: 69,264,712 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 102.8

Radius: 4.5

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 11.5 AU - 16.2 AU

Year: 18200 Days

Day: 24.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 100,408,862 km

• M1: 69,563 km (0.082 R)
• M2: 459,714 km (0.075 R)
• M3: 1,029,383 km (0.083 R)
• M4: 1,766,601 km (0.032 R)
• M5: 2,120,101 km (0.034 R)
• M6: 2,270,596 km (0.117 R)
• M7: 2,746,318 km (0.068 R)
• M8: 3,465,135 km (0.064 R)
• M9: 4,544,035 km (0.051 R)
• M10: 5,356,352 km (0.067 R)
• M11: 5,764,754 km (0.12 R)
• M12: 5,927,217 km (0.084 R)
• M13: 6,678,797 km (0.054 R)
• M14: 7,151,676 km (0.065 R)
• M15: 7,842,818 km (0.098 R)
• M16: 8,042,531 km (0.103 R)
• M17: 10,229,951 km (0.073 R)
• M18: 11,925,045 km (0.12 R)
• M19: 13,973,040 km (0.083 R)
• M20: 14,805,402 km (0.072 R)
• M21: 17,773,125 km (0.057 R)
• M22: 18,117,798 km (0.081 R)
• M23: 20,430,132 km (0.102 R)
• M24: 22,208,701 km (0.054 R)
• M25: 25,368,957 km (0.116 R)
• M26: 26,515,325 km (0.039 R)
• M27: 27,511,946 km (0.088 R)
• M28: 31,246,806 km (0.042 R)
• M29: 33,391,292 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 380.5

Radius: 3.3

Gravity: 34.94 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 13.07 AU - 18.13 AU

Year: 21756 Days

Day: 21.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 100,408,862 km

• M1: 146,905 km (0.114 R)
• M2: 523,742 km (0.065 R)
• M3: 1,150,258 km (0.115 R)
• M4: 2,460,586 km (0.111 R)
• M5: 2,571,438 km (0.109 R)
• M6: 2,851,485 km (0.116 R)
• M7: 4,146,853 km (0.079 R)
• M8: 4,368,407 km (0.105 R)
• M9: 14,465,516 km (0.058 R)
• M10: 30,107,918 km (0.087 R)
• M11: 33,387,402 km (0.086 R)
• M12: 35,569,886 km (0.106 R)
• M13: 37,437,017 km (0.072 R)
• M14: 39,790,939 km (0.116 R)
• M15: 39,932,459 km (0.059 R)
• M16: 41,510,716 km (0.06 R)
• M17: 55,131,602 km (0.101 R)
• M18: 57,808,357 km (0.073 R)
• M19: 62,650,990 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 650.6

Radius: 6.2

Gravity: 16.93 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 15.25 AU - 24.35 AU

Year: 31110 Days

Day: 20.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 100,408,862 km

• M1: 77,342 km (0.082 R)
• M2: 422,614 km (0.09 R)
• M3: 642,972 km (0.05 R)
• M4: 993,031 km (0.084 R)
• M5: 1,499,120 km (0.032 R)
• M6: 1,721,273 km (0.098 R)
• M7: 2,008,351 km (0.077 R)
• M8: 2,575,028 km (0.066 R)
• M9: 2,840,564 km (0.081 R)
• M10: 6,450,361 km (0.062 R)
• M11: 7,998,699 km (0.068 R)
• M12: 8,859,036 km (0.052 R)
• M13: 9,842,942 km (0.084 R)
• M14: 14,103,339 km (0.108 R)
• M15: 17,981,664 km (0.077 R)
• M16: 21,318,145 km (0.106 R)
• M17: 21,640,529 km (0.099 R)
• M18: 29,983,752 km (0.105 R)
• M19: 33,613,594 km (0.1 R)
• M20: 39,915,405 km (0.11 R)
• M21: 41,064,466 km (0.076 R)
• M22: 44,643,894 km (0.054 R)
• M23: 45,348,500 km (0.07 R)
• M24: 50,871,205 km (0.099 R)
• M25: 52,807,300 km (0.074 R)
• M26: 68,917,645 km (0.033 R)
• M27: 70,569,804 km (0.065 R)
• M28: 71,046,572 km (0.088 R)
• M29: 72,006,691 km (0.106 R)
• M30: 89,121,884 km (0.059 R)
• M31: 93,357,000 km (0.089 R)
• M32: 95,961,349 km (0.098 R)

Kuiper Belt

Range: 31.1 - 50.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 13,617 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit