🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.42 AU - 0.7 AU

Year: 190 Days

Day: 34.8 Hours

Environment

Temp: -8 °C

Axial Tilt: 16.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 64,015,732 km

• M1: 29,321 km (0.037 R)
• M2: 117,135 km (0.082 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.5 AU - 1.6 AU

Year: 874 Days

Day: 26.3 Hours

Environment

Temp: -104 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,015,732 km

• M1: 48,021 km (0.12 R)

Asteroid Belt

Center: 1.97 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.5

Radius: 11.5

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.94 AU - 2.84 AU

Year: 1674 Days

Day: 13.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,015,732 km

• M1: 144,362 km (0.075 R)
• M2: 585,825 km (0.114 R)
• M3: 996,322 km (0.104 R)
• M4: 1,441,824 km (0.042 R)
• M5: 1,835,865 km (0.034 R)
• M6: 2,717,146 km (0.039 R)
• M7: 3,241,935 km (0.077 R)
• M8: 5,301,449 km (0.113 R)
• M9: 5,883,834 km (0.102 R)
• M10: 6,686,576 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653

Radius: 12.4

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.9 AU - 3.06 AU

Year: 2331 Days

Day: 10 Hours

Environment

Temp: -145 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,015,732 km

• M1: 154,535 km (0.047 R)
• M2: 551,418 km (0.102 R)
• M3: 960,119 km (0.095 R)
• M4: 1,485,208 km (0.066 R)
• M5: 2,149,871 km (0.116 R)
• M6: 2,866,295 km (0.025 R)
• M7: 3,281,280 km (0.097 R)
• M8: 5,315,811 km (0.058 R)
• M9: 6,655,310 km (0.115 R)
• M10: 7,536,890 km (0.096 R)
• M11: 8,559,093 km (0.058 R)
• M12: 9,636,496 km (0.104 R)
• M13: 10,539,619 km (0.099 R)
• M14: 10,954,454 km (0.112 R)
• M15: 11,419,553 km (0.045 R)
• M16: 12,640,122 km (0.083 R)
• M17: 13,282,047 km (0.074 R)
• M18: 14,724,470 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.5

Radius: 13.9

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.15 AU - 4.71 AU

Year: 3530 Days

Day: 10.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,015,732 km

• M1: 177,423 km (0.115 R)
• M2: 662,719 km (0.099 R)
• M3: 1,216,530 km (0.109 R)
• M4: 2,819,321 km (0.083 R)
• M5: 3,326,757 km (0.119 R)
• M6: 4,180,812 km (0.113 R)
• M7: 4,624,070 km (0.099 R)
• M8: 5,176,685 km (0.061 R)
• M9: 5,717,182 km (0.108 R)
• M10: 8,231,922 km (0.114 R)
• M11: 9,201,017 km (0.054 R)
• M12: 10,795,581 km (0.077 R)
• M13: 11,727,127 km (0.104 R)
• M14: 14,579,509 km (0.057 R)
• M15: 19,360,807 km (0.095 R)
• M16: 21,344,325 km (0.071 R)
• M17: 23,170,167 km (0.12 R)
• M18: 23,678,949 km (0.09 R)
• M19: 25,634,792 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.7

Radius: 9.9

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.02 AU - 5.56 AU

Year: 4749 Days

Day: 12.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,015,732 km

• M1: 124,316 km (0.107 R)
• M2: 483,201 km (0.116 R)
• M3: 931,546 km (0.103 R)
• M4: 1,468,004 km (0.082 R)
• M5: 1,876,855 km (0.089 R)
• M6: 2,460,586 km (0.097 R)
• M7: 3,472,765 km (0.112 R)
• M8: 4,013,711 km (0.065 R)
• M9: 5,554,719 km (0.027 R)
• M10: 6,010,543 km (0.078 R)
• M11: 6,656,956 km (0.109 R)
• M12: 7,936,616 km (0.04 R)
• M13: 8,634,789 km (0.117 R)
• M14: 8,998,910 km (0.109 R)
• M15: 9,373,354 km (0.097 R)
• M16: 10,929,321 km (0.12 R)
• M17: 11,695,262 km (0.077 R)
• M18: 12,343,470 km (0.057 R)
• M19: 13,068,272 km (0.07 R)
• M20: 13,603,084 km (0.066 R)
• M21: 14,264,157 km (0.091 R)
• M22: 15,120,306 km (0.118 R)
• M23: 15,590,791 km (0.07 R)
• M24: 16,376,180 km (0.088 R)
• M25: 19,922,846 km (0.092 R)
• M26: 23,012,940 km (0.106 R)
• M27: 23,635,865 km (0.097 R)
• M28: 28,049,451 km (0.087 R)
• M29: 28,403,400 km (0.096 R)
• M30: 30,310,324 km (0.098 R)
• M31: 31,342,549 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.3

Radius: 13

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 4.23 AU - 5.53 AU

Year: 4884 Days

Day: 9.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,015,732 km

• M1: 161,865 km (0.118 R)
• M2: 569,369 km (0.093 R)
• M3: 1,058,106 km (0.107 R)
• M4: 1,659,938 km (0.08 R)
• M5: 2,091,229 km (0.079 R)
• M6: 2,716,249 km (0.054 R)
• M7: 3,997,255 km (0.054 R)
• M8: 4,585,923 km (0.095 R)
• M9: 5,937,539 km (0.102 R)
• M10: 6,900,052 km (0.118 R)
• M11: 8,745,043 km (0.109 R)
• M12: 9,740,617 km (0.051 R)
• M13: 10,810,241 km (0.106 R)
• M14: 12,781,642 km (0.062 R)
• M15: 14,383,237 km (0.084 R)
• M16: 15,598,420 km (0.085 R)
• M17: 17,857,049 km (0.1 R)
• M18: 18,485,958 km (0.1 R)
• M19: 19,129,678 km (0.071 R)
• M20: 20,325,863 km (0.119 R)
• M21: 20,804,426 km (0.095 R)
• M22: 21,783,844 km (0.048 R)
• M23: 22,940,684 km (0.093 R)
• M24: 26,171,998 km (0.075 R)
• M25: 27,728,863 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.4

Radius: 8.4

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.87 AU - 7.31 AU

Year: 6809 Days

Day: 14.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,015,732 km

• M1: 105,167 km (0.067 R)
• M2: 459,415 km (0.097 R)
• M3: 1,244,355 km (0.072 R)
• M4: 1,739,075 km (0.116 R)
• M5: 3,688,934 km (0.104 R)
• M6: 5,144,820 km (0.105 R)
• M7: 6,545,804 km (0.076 R)
• M8: 9,017,460 km (0.108 R)
• M9: 10,528,848 km (0.076 R)
• M10: 13,393,797 km (0.058 R)
• M11: 14,045,445 km (0.101 R)
• M12: 14,491,546 km (0.077 R)
• M13: 18,606,534 km (0.117 R)
• M14: 19,901,753 km (0.073 R)
• M15: 20,181,800 km (0.11 R)
• M16: 22,518,818 km (0.08 R)
• M17: 26,861,494 km (0.1 R)
• M18: 27,722,729 km (0.07 R)
• M19: 28,336,529 km (0.071 R)
• M20: 29,228,881 km (0.088 R)
• M21: 29,864,672 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 581.6

Radius: 7.7

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 9.41 AU - 12.65 AU

Year: 16596 Days

Day: 18.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,015,732 km

• M1: 96,042 km (0.107 R)
• M2: 419,024 km (0.105 R)
• M3: 753,973 km (0.115 R)
• M4: 1,100,292 km (0.095 R)
• M5: 1,710,053 km (0.092 R)
• M6: 2,062,506 km (0.07 R)
• M7: 2,378,756 km (0.091 R)
• M8: 3,184,939 km (0.066 R)
• M9: 4,284,633 km (0.087 R)
• M10: 4,603,426 km (0.06 R)
• M11: 4,903,818 km (0.062 R)
• M12: 5,618,597 km (0.096 R)
• M13: 8,325,869 km (0.08 R)
• M14: 10,897,307 km (0.109 R)
• M15: 11,675,665 km (0.08 R)
• M16: 13,275,913 km (0.068 R)
• M17: 14,515,033 km (0.103 R)
• M18: 15,382,850 km (0.113 R)
• M19: 17,865,726 km (0.073 R)
• M20: 25,114,640 km (0.101 R)
• M21: 25,838,245 km (0.099 R)
• M22: 36,026,907 km (0.098 R)
• M23: 36,419,452 km (0.081 R)
• M24: 44,129,427 km (0.069 R)
• M25: 45,639,019 km (0.062 R)
• M26: 55,600,293 km (0.062 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230

Radius: 7.8

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 14.06 AU - 16.18 AU

Year: 26636 Days

Day: 21.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,015,732 km

• M1: 97,089 km (0.079 R)
• M2: 457,470 km (0.057 R)
• M3: 1,025,493 km (0.028 R)
• M4: 1,754,633 km (0.043 R)
• M5: 2,436,052 km (0.096 R)
• M6: 4,832,610 km (0.049 R)
• M7: 5,504,753 km (0.093 R)
• M8: 9,032,719 km (0.109 R)
• M9: 11,442,891 km (0.089 R)
• M10: 14,321,752 km (0.08 R)
• M11: 15,852,438 km (0.094 R)
• M12: 17,731,836 km (0.116 R)
• M13: 19,321,463 km (0.043 R)
• M14: 20,283,826 km (0.025 R)
• M15: 25,064,824 km (0.102 R)
• M16: 37,443,300 km (0.052 R)
• M17: 43,655,800 km (0.083 R)
• M18: 44,552,939 km (0.117 R)
• M19: 47,789,489 km (0.088 R)
• M20: 48,742,277 km (0.079 R)
• M21: 52,344,145 km (0.111 R)
• M22: 58,614,540 km (0.072 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 12,623 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit