🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.6

Radius: 10.6

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.38 AU - 0.64 AU

Year: 247 Days

Day: 11.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 18,729,290 km

• M1: 131,796 km (0.102 R)
• M2: 486,642 km (0.084 R)
• M3: 828,473 km (0.095 R)
• M4: 1,222,215 km (0.108 R)
• M5: 2,047,546 km (0.109 R)
• M6: 2,856,272 km (0.117 R)
• M7: 3,191,072 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.2

Radius: 13.7

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.53 AU - 0.55 AU

Year: 269 Days

Day: 10 Hours

Environment

Temp: -143 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 18,729,290 km

• M1: 170,542 km (0.079 R)
• M2: 679,174 km (0.115 R)
• M3: 1,121,535 km (0.107 R)
• M4: 1,558,211 km (0.069 R)
• M5: 1,986,510 km (0.112 R)
• M6: 2,452,956 km (0.047 R)
• M7: 3,002,579 km (0.113 R)
• M8: 3,929,487 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.1

Radius: 12

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.42 AU - 0.7 AU

Year: 284 Days

Day: 7.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 18,729,290 km

• M1: 149,299 km (0.089 R)
• M2: 527,183 km (0.104 R)
• M3: 955,482 km (0.06 R)
• M4: 1,360,892 km (0.104 R)
• M5: 2,208,364 km (0.059 R)
• M6: 2,956,503 km (0.102 R)
• M7: 3,565,366 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.9

Radius: 10.7

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.8 AU - 1.2 AU

Year: 678 Days

Day: 6.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,729,290 km

• M1: 132,993 km (0.074 R)
• M2: 498,909 km (0.067 R)
• M3: 947,254 km (0.076 R)
• M4: 1,450,351 km (0.097 R)
• M5: 1,792,781 km (0.107 R)
• M6: 2,253,991 km (0.118 R)
• M7: 3,283,524 km (0.083 R)
• M8: 4,020,892 km (0.064 R)
• M9: 4,586,521 km (0.048 R)
• M10: 4,960,516 km (0.078 R)
• M11: 6,206,816 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.7

Radius: 8.4

Gravity: 13.52 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.07 AU - 1.19 AU

Year: 815 Days

Day: 5 Hours

Environment

Temp: -173 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 18,729,290 km

• M1: 108,608 km (0.058 R)
• M2: 452,534 km (0.114 R)
• M3: 746,344 km (0.049 R)
• M4: 1,067,082 km (0.032 R)
• M5: 1,751,641 km (0.086 R)
• M6: 2,641,300 km (0.033 R)
• M7: 3,031,900 km (0.098 R)
• M8: 3,622,213 km (0.099 R)
• M9: 6,025,503 km (0.095 R)
• M10: 7,074,783 km (0.061 R)
• M11: 8,059,735 km (0.036 R)
• M12: 8,451,831 km (0.067 R)
• M13: 9,617,498 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.5

Radius: 10.3

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.82 AU - 1.84 AU

Year: 1679 Days

Day: 6.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,729,290 km

• M1: 128,205 km (0.078 R)
• M2: 504,145 km (0.111 R)
• M3: 1,580,801 km (0.075 R)
• M4: 1,967,212 km (0.118 R)
• M5: 2,428,871 km (0.087 R)
• M6: 2,753,349 km (0.105 R)
• M7: 3,287,563 km (0.107 R)
• M8: 3,720,050 km (0.076 R)
• M9: 4,680,169 km (0.098 R)
• M10: 5,208,100 km (0.091 R)
• M11: 6,168,070 km (0.12 R)
• M12: 7,163,045 km (0.051 R)
• M13: 8,204,396 km (0.077 R)
• M14: 9,034,215 km (0.09 R)
• M15: 9,724,610 km (0.116 R)
• M16: 11,532,500 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.4

Radius: 10.3

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.96 AU - 2.62 AU

Year: 2350 Days

Day: 5.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,729,290 km

• M1: 128,804 km (0.027 R)
• M2: 556,055 km (0.098 R)
• M3: 913,594 km (0.108 R)
• M4: 1,238,222 km (0.116 R)
• M5: 2,672,865 km (0.119 R)
• M6: 4,043,331 km (0.088 R)
• M7: 6,036,424 km (0.103 R)
• M8: 6,826,600 km (0.105 R)
• M9: 7,732,415 km (0.105 R)
• M10: 8,354,143 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.6

Radius: 14.6

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.06 AU - 3.4 AU

Year: 3059 Days

Day: 5.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 18,729,290 km

• M1: 183,856 km (0.074 R)
• M2: 707,748 km (0.088 R)
• M3: 2,094,969 km (0.117 R)
• M4: 2,584,453 km (0.095 R)
• M5: 3,744,584 km (0.103 R)
• M6: 4,474,921 km (0.097 R)
• M7: 5,465,708 km (0.095 R)
• M8: 7,018,235 km (0.073 R)
• M9: 7,636,822 km (0.083 R)
• M10: 9,153,744 km (0.066 R)
• M11: 10,185,371 km (0.049 R)
• M12: 11,532,051 km (0.084 R)
• M13: 12,735,267 km (0.052 R)
• M14: 13,793,223 km (0.092 R)
• M15: 14,718,785 km (0.113 R)
• M16: 15,735,003 km (0.047 R)
• M17: 18,562,852 km (0.115 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 16,055 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit