🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.49 AU - 0.67 AU

Year: 281 Days

Day: 30.7 Hours

Environment

Temp: -118 °C

Axial Tilt: 21.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.8

Radius: 14.8

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.07 AU - 1.59 AU

Year: 975 Days

Day: 8.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,198,756 km

• M1: 184,305 km (0.109 R)
• M2: 693,985 km (0.073 R)
• M3: 1,259,913 km (0.078 R)
• M4: 2,149,422 km (0.064 R)
• M5: 2,669,873 km (0.066 R)
• M6: 3,179,104 km (0.113 R)
• M7: 4,180,363 km (0.063 R)
• M8: 5,039,055 km (0.1 R)
• M9: 5,702,072 km (0.111 R)
• M10: 7,275,543 km (0.089 R)
• M11: 8,600,531 km (0.093 R)
• M12: 9,094,952 km (0.065 R)
• M13: 9,991,193 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.9

Radius: 9.4

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.43 AU - 2.23 AU

Year: 1574 Days

Day: 6.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,198,756 km

• M1: 125,513 km (0.051 R)
• M2: 467,344 km (0.091 R)
• M3: 824,583 km (0.039 R)
• M4: 1,391,559 km (0.113 R)
• M5: 2,293,635 km (0.118 R)
• M6: 2,878,712 km (0.075 R)
• M7: 4,549,570 km (0.068 R)
• M8: 7,880,068 km (0.095 R)
• M9: 9,735,081 km (0.108 R)
• M10: 10,249,100 km (0.065 R)
• M11: 10,985,271 km (0.118 R)
• M12: 12,155,126 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.1

Radius: 12.2

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.8 AU - 2.6 AU

Year: 2075 Days

Day: 13.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,198,756 km

• M1: 151,692 km (0.088 R)
• M2: 835,803 km (0.055 R)
• M3: 1,393,055 km (0.107 R)
• M4: 3,013,350 km (0.105 R)
• M5: 3,520,935 km (0.093 R)
• M6: 4,709,491 km (0.099 R)
• M7: 5,396,444 km (0.101 R)
• M8: 6,223,122 km (0.115 R)
• M9: 7,863,612 km (0.106 R)
• M10: 9,279,406 km (0.076 R)
• M11: 9,675,242 km (0.097 R)
• M12: 10,678,745 km (0.105 R)
• M13: 11,485,377 km (0.098 R)
• M14: 13,220,113 km (0.051 R)
• M15: 15,214,103 km (0.105 R)

Asteroid Belt

Center: 2.58 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.2

Radius: 9.2

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.47 AU - 3.45 AU

Year: 3238 Days

Day: 6.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,198,756 km

• M1: 118,182 km (0.098 R)
• M2: 520,152 km (0.1 R)
• M3: 848,818 km (0.059 R)
• M4: 1,346,530 km (0.083 R)
• M5: 1,749,996 km (0.083 R)
• M6: 2,180,838 km (0.089 R)
• M7: 2,622,301 km (0.09 R)
• M8: 3,139,162 km (0.025 R)
• M9: 3,431,177 km (0.068 R)
• M10: 4,110,201 km (0.073 R)
• M11: 6,606,242 km (0.097 R)
• M12: 10,379,399 km (0.119 R)
• M13: 11,834,388 km (0.086 R)
• M14: 12,124,309 km (0.046 R)
• M15: 12,718,213 km (0.095 R)
• M16: 13,827,182 km (0.062 R)
• M17: 14,903,089 km (0.103 R)
• M18: 15,983,635 km (0.059 R)
• M19: 17,917,337 km (0.097 R)
• M20: 18,520,964 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.2

Radius: 11

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.64 AU - 5.04 AU

Year: 5749 Days

Day: 13.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,198,756 km

• M1: 137,032 km (0.107 R)
• M2: 606,320 km (0.118 R)
• M3: 1,042,248 km (0.094 R)
• M4: 1,498,671 km (0.094 R)
• M5: 1,851,722 km (0.039 R)
• M6: 2,445,028 km (0.114 R)
• M7: 3,393,478 km (0.038 R)
• M8: 5,010,182 km (0.109 R)
• M9: 6,363,445 km (0.094 R)
• M10: 8,102,370 km (0.079 R)
• M11: 10,001,814 km (0.092 R)
• M12: 11,176,906 km (0.082 R)
• M13: 11,521,878 km (0.076 R)
• M14: 16,174,522 km (0.036 R)
• M15: 18,533,979 km (0.119 R)
• M16: 20,594,690 km (0.106 R)
• M17: 23,681,792 km (0.039 R)
• M18: 25,760,604 km (0.12 R)
• M19: 28,779,190 km (0.06 R)
• M20: 29,993,176 km (0.065 R)
• M21: 35,297,767 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.1

Radius: 8.7

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.02 AU - 5.24 AU

Year: 6334 Days

Day: 5.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,198,756 km

• M1: 108,159 km (0.094 R)
• M2: 405,111 km (0.1 R)
• M3: 678,576 km (0.118 R)
• M4: 1,047,335 km (0.116 R)
• M5: 1,607,579 km (0.065 R)
• M6: 2,201,482 km (0.107 R)
• M7: 2,549,597 km (0.097 R)
• M8: 3,317,632 km (0.079 R)
• M9: 4,399,225 km (0.085 R)
• M10: 4,722,206 km (0.106 R)
• M11: 7,105,450 km (0.073 R)
• M12: 7,834,740 km (0.077 R)
• M13: 8,460,807 km (0.075 R)
• M14: 8,844,525 km (0.067 R)
• M15: 10,150,964 km (0.03 R)
• M16: 11,120,807 km (0.086 R)
• M17: 11,534,893 km (0.07 R)
• M18: 12,151,087 km (0.109 R)
• M19: 13,040,297 km (0.098 R)
• M20: 14,292,730 km (0.088 R)
• M21: 14,727,462 km (0.093 R)
• M22: 15,227,118 km (0.045 R)
• M23: 18,722,174 km (0.118 R)
• M24: 19,242,774 km (0.028 R)
• M25: 24,141,805 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204.9

Radius: 6.5

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 9.78 AU - 9.88 AU

Year: 19596 Days

Day: 24.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,198,756 km

• M1: 80,783 km (0.036 R)
• M2: 286,181 km (0.098 R)
• M3: 572,062 km (0.109 R)
• M4: 799,900 km (0.051 R)
• M5: 2,830,841 km (0.038 R)
• M6: 3,099,817 km (0.073 R)
• M7: 4,557,050 km (0.097 R)
• M8: 5,087,524 km (0.112 R)
• M9: 5,728,102 km (0.107 R)
• M10: 6,345,642 km (0.094 R)
• M11: 9,708,453 km (0.116 R)
• M12: 11,852,789 km (0.078 R)
• M13: 18,554,325 km (0.066 R)
• M14: 26,322,942 km (0.09 R)
• M15: 28,634,229 km (0.084 R)
• M16: 30,105,375 km (0.07 R)
• M17: 32,517,940 km (0.084 R)
• M18: 33,083,569 km (0.067 R)
• M19: 34,820,251 km (0.114 R)
• M20: 38,853,110 km (0.058 R)
• M21: 47,831,376 km (0.119 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: 193 - 10,664 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit