🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.97 AU - 1.57 AU

Year: 518 Days

Day: 40.6 Hours

Environment

Temp: -0 °C

Axial Tilt: 21.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 109,715,681 km

• M1: 44,879 km (0.057 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.12 AU - 2.58 AU

Year: 1303 Days

Day: 33.9 Hours

Environment

Temp: -86 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.6

Radius: 12.4

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.37 AU - 6.57 AU

Year: 4627 Days

Day: 11 Hours

Environment

Temp: -145 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 109,715,681 km

• M1: 154,235 km (0.083 R)
• M2: 581,487 km (0.119 R)
• M3: 1,263,952 km (0.099 R)
• M4: 3,185,088 km (0.092 R)
• M5: 3,669,636 km (0.078 R)
• M6: 5,661,531 km (0.118 R)
• M7: 6,608,486 km (0.093 R)
• M8: 7,244,426 km (0.112 R)
• M9: 8,464,098 km (0.098 R)
• M10: 8,851,856 km (0.043 R)
• M11: 9,931,653 km (0.026 R)
• M12: 13,177,328 km (0.072 R)
• M13: 13,747,596 km (0.116 R)
• M14: 15,453,310 km (0.103 R)
• M15: 17,296,057 km (0.093 R)
• M16: 17,807,383 km (0.071 R)
• M17: 19,524,168 km (0.077 R)
• M18: 21,413,738 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.9

Radius: 13.7

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 5.01 AU - 7.49 AU

Year: 5651 Days

Day: 6.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 109,715,681 km

• M1: 170,990 km (0.043 R)
• M2: 749,785 km (0.03 R)
• M3: 1,528,292 km (0.1 R)
• M4: 2,009,099 km (0.091 R)
• M5: 2,822,463 km (0.082 R)
• M6: 3,265,722 km (0.11 R)
• M7: 3,778,244 km (0.03 R)
• M8: 4,221,951 km (0.082 R)
• M9: 4,700,664 km (0.101 R)
• M10: 5,589,575 km (0.09 R)
• M11: 6,923,090 km (0.096 R)
• M12: 7,812,001 km (0.118 R)
• M13: 9,182,916 km (0.102 R)
• M14: 9,991,492 km (0.096 R)
• M15: 10,571,782 km (0.092 R)
• M16: 12,096,185 km (0.108 R)
• M17: 13,173,588 km (0.05 R)
• M18: 15,052,239 km (0.089 R)
• M19: 17,229,785 km (0.107 R)
• M20: 21,533,566 km (0.059 R)
• M21: 23,972,909 km (0.034 R)
• M22: 24,933,328 km (0.099 R)
• M23: 28,056,931 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.8

Radius: 14.6

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 6.04 AU - 9.58 AU

Year: 7893 Days

Day: 12.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 109,715,681 km

• M1: 181,612 km (0.084 R)
• M2: 841,039 km (0.099 R)
• M3: 1,415,944 km (0.099 R)
• M4: 1,969,456 km (0.109 R)
• M5: 3,057,780 km (0.089 R)
• M6: 4,300,340 km (0.063 R)
• M7: 4,945,706 km (0.108 R)
• M8: 5,916,147 km (0.05 R)
• M9: 6,557,323 km (0.102 R)
• M10: 7,871,541 km (0.075 R)
• M11: 8,841,085 km (0.091 R)
• M12: 10,883,245 km (0.117 R)
• M13: 11,801,477 km (0.078 R)
• M14: 12,720,905 km (0.075 R)
• M15: 13,223,704 km (0.08 R)
• M16: 15,825,211 km (0.093 R)
• M17: 17,185,654 km (0.07 R)
• M18: 18,303,748 km (0.039 R)
• M19: 21,170,642 km (0.093 R)
• M20: 22,093,511 km (0.115 R)
• M21: 25,258,703 km (0.111 R)
• M22: 28,372,882 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.2

Radius: 13

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 6.22 AU - 10.22 AU

Year: 8523 Days

Day: 11.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 109,715,681 km

• M1: 183,557 km (0.111 R)
• M2: 650,003 km (0.048 R)
• M3: 1,208,900 km (0.076 R)
• M4: 2,283,013 km (0.112 R)
• M5: 2,858,666 km (0.115 R)
• M6: 3,744,136 km (0.104 R)
• M7: 4,172,584 km (0.116 R)
• M8: 4,605,819 km (0.072 R)
• M9: 6,090,429 km (0.096 R)
• M10: 6,578,566 km (0.074 R)
• M11: 7,359,617 km (0.063 R)
• M12: 8,077,537 km (0.1 R)
• M13: 8,885,665 km (0.115 R)
• M14: 9,982,516 km (0.093 R)
• M15: 11,530,555 km (0.078 R)
• M16: 11,954,815 km (0.097 R)
• M17: 12,610,801 km (0.12 R)
• M18: 15,542,172 km (0.107 R)
• M19: 16,859,830 km (0.113 R)
• M20: 17,546,035 km (0.068 R)
• M21: 20,171,328 km (0.09 R)
• M22: 25,289,819 km (0.046 R)
• M23: 27,862,005 km (0.102 R)
• M24: 28,435,114 km (0.109 R)
• M25: 31,009,993 km (0.118 R)
• M26: 32,040,423 km (0.116 R)
• M27: 35,715,295 km (0.11 R)
• M28: 41,368,898 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.9

Radius: 4.5

Gravity: 11.25 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 16.14 AU - 18.2 AU

Year: 25730 Days

Day: 23.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 109,715,681 km

• M1: 69,413 km (0.079 R)
• M2: 351,405 km (0.11 R)
• M3: 794,514 km (0.12 R)
• M4: 1,126,023 km (0.103 R)
• M5: 5,079,446 km (0.077 R)
• M6: 5,771,935 km (0.109 R)
• M7: 7,705,338 km (0.084 R)
• M8: 10,422,783 km (0.115 R)
• M9: 15,414,864 km (0.101 R)
• M10: 15,785,268 km (0.033 R)
• M11: 21,245,590 km (0.068 R)
• M12: 22,736,483 km (0.066 R)
• M13: 22,927,669 km (0.116 R)
• M14: 30,428,656 km (0.079 R)
• M15: 34,036,059 km (0.108 R)
• M16: 45,328,753 km (0.108 R)
• M17: 48,260,423 km (0.073 R)
• M18: 52,140,842 km (0.045 R)
• M19: 57,453,960 km (0.028 R)

Asteroid Belt

Center: 17.97 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 18.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 951.3

Radius: 6.3

Gravity: 23.97 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 16.19 AU - 21.33 AU

Year: 29386 Days

Day: 21.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 109,715,681 km

• M1: 90,507 km (0.046 R)
• M2: 463,305 km (0.065 R)
• M3: 842,236 km (0.06 R)
• M4: 2,485,120 km (0.114 R)
• M5: 2,807,952 km (0.093 R)
• M6: 8,734,571 km (0.104 R)
• M7: 9,804,944 km (0.103 R)
• M8: 12,052,502 km (0.044 R)
• M9: 13,456,777 km (0.102 R)
• M10: 13,783,050 km (0.083 R)
• M11: 15,141,249 km (0.091 R)
• M12: 16,125,154 km (0.083 R)
• M13: 24,963,995 km (0.118 R)
• M14: 26,845,338 km (0.103 R)
• M15: 31,742,125 km (0.106 R)
• M16: 35,938,794 km (0.039 R)
• M17: 50,718,764 km (0.065 R)
• M18: 64,828,985 km (0.109 R)
• M19: 72,026,139 km (0.07 R)
• M20: 72,524,150 km (0.102 R)
• M21: 79,472,373 km (0.11 R)
• M22: 89,695,891 km (0.114 R)
• M23: 96,171,834 km (0.038 R)
• M24: 97,078,397 km (0.112 R)
• M25: 109,059,241 km (0.075 R)

Kuiper Belt

Range: 30.3 - 47.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 17,558 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit