🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.7

Radius: 13.5

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.66 AU - 0.94 AU

Year: 455 Days

Day: 10.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,960,862 km

• M1: 167,849 km (0.063 R)
• M2: 659,278 km (0.067 R)
• M3: 1,084,285 km (0.065 R)
• M4: 2,014,485 km (0.112 R)
• M5: 2,551,541 km (0.099 R)
• M6: 3,878,175 km (0.059 R)
• M7: 4,474,921 km (0.069 R)
• M8: 5,264,798 km (0.054 R)
• M9: 6,276,827 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.5

Radius: 14.8

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.74 AU - 0.9 AU

Year: 472 Days

Day: 8.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,960,862 km

• M1: 184,005 km (0.115 R)
• M2: 1,180,776 km (0.097 R)
• M3: 2,032,437 km (0.118 R)
• M4: 2,856,871 km (0.117 R)
• M5: 3,632,984 km (0.116 R)
• M6: 4,560,641 km (0.11 R)
• M7: 5,035,016 km (0.066 R)
• M8: 5,591,819 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.7

Radius: 9.3

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.7 AU - 0.98 AU

Year: 489 Days

Day: 13.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,960,862 km

• M1: 115,789 km (0.086 R)
• M2: 451,038 km (0.12 R)
• M3: 787,034 km (0.037 R)
• M4: 1,191,397 km (0.116 R)
• M5: 1,611,019 km (0.096 R)
• M6: 2,048,444 km (0.049 R)
• M7: 2,368,733 km (0.092 R)
• M8: 2,887,538 km (0.104 R)
• M9: 3,292,200 km (0.061 R)
• M10: 3,734,711 km (0.081 R)
• M11: 4,114,241 km (0.074 R)
• M12: 4,752,874 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.5

Radius: 13.4

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.96 AU - 1.24 AU

Year: 734 Days

Day: 12.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 28,960,862 km

• M1: 166,652 km (0.084 R)
• M2: 590,164 km (0.04 R)
• M3: 1,011,880 km (0.094 R)
• M4: 1,529,189 km (0.064 R)
• M5: 2,017,776 km (0.065 R)
• M6: 3,031,750 km (0.1 R)
• M7: 3,596,931 km (0.1 R)
• M8: 4,136,830 km (0.101 R)
• M9: 4,730,733 km (0.067 R)
• M10: 5,157,686 km (0.111 R)
• M11: 5,767,447 km (0.06 R)
• M12: 6,489,107 km (0.097 R)
• M13: 7,063,563 km (0.077 R)
• M14: 8,571,509 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.6

Radius: 10.4

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.06 AU - 1.6 AU

Year: 975 Days

Day: 14 Hours

Environment

Temp: -172 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,960,862 km

• M1: 129,402 km (0.116 R)
• M2: 501,452 km (0.094 R)
• M3: 931,845 km (0.085 R)
• M4: 1,354,310 km (0.089 R)
• M5: 1,742,217 km (0.034 R)
• M6: 2,722,083 km (0.118 R)
• M7: 3,051,348 km (0.093 R)
• M8: 3,903,607 km (0.084 R)
• M9: 4,377,084 km (0.077 R)
• M10: 5,003,151 km (0.108 R)
• M11: 5,836,411 km (0.114 R)
• M12: 6,830,788 km (0.109 R)
• M13: 7,647,892 km (0.112 R)
• M14: 8,201,105 km (0.055 R)
• M15: 8,556,699 km (0.059 R)
• M16: 9,625,875 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.8

Radius: 9.4

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.63 AU - 2.45 AU

Year: 1853 Days

Day: 6.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,960,862 km

• M1: 116,836 km (0.081 R)
• M2: 444,904 km (0.118 R)
• M3: 825,930 km (0.11 R)
• M4: 1,462,170 km (0.113 R)
• M5: 2,095,866 km (0.111 R)
• M6: 2,571,587 km (0.05 R)
• M7: 3,009,012 km (0.075 R)
• M8: 4,128,452 km (0.104 R)
• M9: 4,422,412 km (0.045 R)
• M10: 4,772,471 km (0.042 R)
• M11: 5,118,790 km (0.055 R)
• M12: 5,935,296 km (0.108 R)
• M13: 7,277,338 km (0.094 R)
• M14: 8,370,450 km (0.086 R)
• M15: 11,252,752 km (0.09 R)
• M16: 11,634,974 km (0.109 R)
• M17: 12,506,382 km (0.056 R)
• M18: 13,041,494 km (0.066 R)
• M19: 13,591,565 km (0.09 R)
• M20: 14,113,213 km (0.101 R)
• M21: 14,423,479 km (0.103 R)
• M22: 14,920,443 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.4

Radius: 10.9

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.3 AU - 4.94 AU

Year: 5317 Days

Day: 14.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 28,960,862 km

• M1: 136,732 km (0.065 R)
• M2: 504,893 km (0.103 R)
• M3: 913,893 km (0.083 R)
• M4: 1,329,476 km (0.084 R)
• M5: 2,136,856 km (0.062 R)
• M6: 2,779,828 km (0.105 R)
• M7: 4,118,878 km (0.101 R)
• M8: 6,085,791 km (0.038 R)
• M9: 6,972,308 km (0.082 R)
• M10: 7,516,246 km (0.087 R)
• M11: 8,844,077 km (0.118 R)
• M12: 9,481,962 km (0.063 R)
• M13: 10,627,732 km (0.116 R)
• M14: 11,074,880 km (0.115 R)
• M15: 11,721,741 km (0.065 R)
• M16: 12,199,258 km (0.083 R)
• M17: 13,501,357 km (0.096 R)
• M18: 14,783,710 km (0.095 R)
• M19: 16,917,126 km (0.076 R)
• M20: 18,662,634 km (0.116 R)
• M21: 19,314,132 km (0.083 R)
• M22: 20,183,745 km (0.102 R)
• M23: 20,800,986 km (0.096 R)
• M24: 21,360,033 km (0.104 R)
• M25: 21,714,580 km (0.075 R)
• M26: 24,230,517 km (0.073 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 13,814 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit